Boolean Parameters

problem: Write a class definition of a class named 'Value' with the following: a constructor accepting a single integer parameter a constructor with no parameters a method 'setVal' that accepts a single parameter, a boolean method, 'wasModified' that returns true if setVal was ever called for the object. You can change the type of some parameter to PLAIN to exclude this parameter from request simulation easily. Although it's really not that hard to check for any one particular type, it is definitely not consistent across types, and you probably have had to make a lot of choices along the way. Algol 60 grammar in BNF ::= | ::= | : ::= ; False Then ' use False if a is defined as a number Parameters for InputBox and then for MsgBox. When passing parameters to create or update an object, parameters should be passed as a JSON object containing the appropriate attribute names and values as key-value pairs. com will work, but site: nytimes. Why use Boolean operators? To focus a search, particularly when your topic contains multiple search terms. Distinct functions. Boolean Parameters in SMA Runbooks. 1) IN parameter: This is similar to passing parameters in programming languages. They enable us to handle various things dynamically at run-time. In the Parameter Mappings window map the countout variable to the output parameter and use the Parameter Name @count, the name that is defined in the stored procedure. If you call this method with the writable parameter true and a multi-node subkey path (i. Boolean as command parameter May 15, 2017 at 06:21 PM | 140 Views | Last edit Sep 01, 2017 at 01:53 PM 2 rev. You send some input values to the stored procedure and want to get a Boolean value which decides the future flow of the application. So, that's a whistle-stop guide to the very basics of Boolean searching. For backward compatibility, this property can bring EasyMock 2. Parameterized verilog rtl. Namely, x = f(t), y = g(t) tD. I \ Parallelism. The perfect solution in this scenario is a parameter added directly to the report. Among other things it contains builder. NotEquals - This function compares two arguements for inequality, returning true if they are not equal, and false otherwise. Here is an example:. For Boolean parameters the default value lets us pick which value is the default. I'm looking to be able to pass a boolean value of true or false to be able to run the whatif function for disabling ad accounts. For Booleans, optional value is kind of pointless, unless it's a function/method of the ActiveX control. NET Framework and most common. Explains how to add parameters to advanced functions. …For the description. In this article, I wanted to take the opportunity to talk about a scenario that may be “edge case” but a case just the same within the constructs of leveraging switch parameters in PowerShell workflow. It is the main entry point into the JEval API. The idea is simple: you give the default value to your boolean parameter in your args class and when the corresponding option is found on the command line, the value of that parameter is flipped, instead of unconditionally being set to true as was the case before. Describing Parameters In Swagger, API operation parameters are defined under the parameters section in the operation definition. Message: fopen(): SSL operation failed with code 1. The most common Boolean expressions compare the value of a variable with the value of some other variable, a constant, or perhaps a simple arithmetic expression. NOTE: If a parameter is not explicitly defined a parameter type, then by default it is an IN type parameter. Trigger - a boolean parameter that is reset by the controller when consumed by a transition (represented by a circle button) Parameters can be assigned values from a script using functions in the Animator class: SetFloat, SetInteger, SetBool, SetTrigger and ResetTrigger. Namely, x = f(t), y = g(t) tD. Using Variables and Parameters SSIS Posted on March 24, 2014 by MikeDavisSQL When creating an SSIS package it is always a best practice to use variables, and parameters in 2012, to avoid hard coding values into any part of your package. 5, this isn't the default anymore. Long description. Here, I will tell you the possible ways to return calculated Boolean values from SQL Server code. In example a parameter of type java. For example, a Boolean search could be "hotel" AND "New York". The reference name parameter (if supplied) is resolved every time the function is executed. boolean is a non-standard type alias for bool defined by Arduino. com/home/content/function. The form has several checkboxes an Crystal Report - Boolean parameter field - Visual Basic (Classic) - Tek-Tips. FlagArgument. A test in an if, for, or while is a boolean expression (a test evaluates to either true or false). Camargo , Ard A. Parameter name: type] System. By continuing to use Pastebin, you agree to our use of cookies as described in the Cookies Policy. Command: Command to be executed to evaluate value of the key. variation - If used for variations. b : an independent variable used to express the coordinates of a variable point and functions of them — compare parametric equation. Programmers coming from other languages are used to Boolean variables. The idea is to pass this parameter to a javascript function which expect a value of 'true' or 'false' but I'm getting a numeric value instead. The boolean text asks the user, "Use default workspace?", to which if they check the box (boolean == True), then the folder path parameter will be automatically defaulted (saving the user a small amount of time). Step 7: In your code you need to write the following to take user input: boolean status = Boolean. I think I can make perfectly legal case stating that. If desired, the assert keyword can be used to verify private method arguments, to check the internal consistency of the class. Allowed parameter types are String, Integer and Boolean. I created a True/False Boolean report parameter. an AND operator for the combination of persons and words. Pass result of query to VBA as boolean. Any parameters which are instances of OutParameter will be registered as OUT parameters. I’ve found that it’s quite common to work on reports wherein the requirements dictate the following:. NET, which has named parameters, so whenever I call someone else's code which has a boolean parameter, I can call it like this: CreateFile("/path", IsTemp:=True). If you can, you should change the PL/SQL stored procedure parameter to a type that you can pass from ColdFusion, such as bit or int, then "convert" the passed value to a boolean within the procedure if you really need the functionality of a Boolean variable within your PL/SQL. That is really all there is to it. You can change the type of some parameter to PLAIN to exclude this parameter from request simulation easily. ParamValue : The value of the parameter. Example: NotEquals(managed:EmployeeType,. To describe a parameter, you specify its name, location (in), data type (defined by either schema or content) and other attributes, such as description or required. So the code would look something like this. Very useful for finding products in a price range, when combined with the site limiter. Today's database searches are largely based on Boolean logic, which allows us to specify parameters in detail—for example, combining terms to include while excluding others. Parameter specifications for most value types can be created as GParamSpec derived instances, to implement e. I think boolean parameters are acceptable in a language that supports keyword arguments, such as Python, and where their use is encouraged to reduce ambiguity. Almost every PowerShell cmdlet can accept one or more optional parameters which can be supplied on the command line in the form -Parameter_Name Parameter_Value. A variable can be set by placing it before an equal sign, which is followed by the value to which it is set. I was able to get some help from another forum,but I'm only getting so far though. For the Field Name parameter, you can choose the variable named New Field Name from the drop-down list. To iterate a specified number of times when creating a type of resource, see Create multiple instances of resources in Azure Resource Manager. Boolean parameters are fine in the second example. The bool type is a common type to use as the return type in methods in C# programs. I think the parameter name cannot start with numbers and must start with letters. 32 introduces some changes in the parameter conversions applied to integer and boolean parameters. Put @ in front of a word to search social media. You are tempted to create a method with a boolean argument. Instead of having it display 'true' and 'false', I would like to hard code the values to strings. It is easy for these to get into how we write code, but they're not always the right option. StartParameter defines the configuration used by a Gradle instance to execute a build. Parameters format C string that contains the text to be written to stdout. It is not "not use DbType. Each search engine or database collection uses Boolean operators in a slightly different way or may require the operator be typed in capitals or have special punctuation. Updating Code to Reflect Boolean Parameter. function f(x = 1, y) { return [x, y]; } f(); // [1, undefined] f(2); // [2, undefined] Destructured parameter with default value assignment. Portal y buscador católico Buigle, con el santo del día, el evangelio, la liturgia de las horas (laudes y vísperas) y mucho más. The Boolean object is an object wrapper for a boolean value. When you choose the Product Category then the. since sqlnet. Boolean logic defines logical relationships between terms in a search. Boolean parameters provide a simple true/false evaluation. This comparison uses one of the following relational operators:. Here is an example of using boolean variables. Optional — An Optional parameter does not require a value. The context is a pipeline job with a parameter clearly defined as a "Boolean Parameter". Important Points: The default numeric value of true is 1 and false is 0. Boolean' and try again. The VE form shows a text input field if the template transclusion did not yet contain a L parameter assignment, even more on first insertion of template transclusion by means of VE. You select the Use default check box for more than one Boolean parameter. Additional information on parameters in Execute SQL tasks can be found on Technet. All values in SQL statements, whether they are literals embedded in SQL statement text or parameters bound to precompiled SQL statements have an implicit storage class. Variables and parameters. This is about the best practice of calling a function with a boolean variable, not a question as to whether the boolean should be there in the first place. The return type is boolean , which means that every return statement has to provide a boolean expression. HttpUnhandledException (0x80004005): Exception of type 'System. Thanks for the advice, but I was really wanting to use a boolean parameter, the True/False radio buttons of boolean parameters will be easier for users, one click not two. Use Boolean, Dates, and Wildcards to Give Your Searches a Boost Matt Klein @howtogeek Updated April 30, 2019, 11:30pm EDT Finding your stuff with Windows Search doesn’t require you know or even care about Advanced Query Syntax, but if you have 1000s of images, music files, and videos, then it sure helps. A derived output parameter does not show on the tool dialog box. The final if statement checks whether the debug flag is set (in the way Matthew explained). For example, when I test your function out with the $32BitAppPool parameter I receive the same exception. Pretty sure you have aced things when it comes to creating parameters in Jenkins. Boolean searches make it easy to find what you're looking for in a Google search. According to the definition type, the leftmost value of the Boolean type is false, therefore the default value of any object of the Boolean type is false. This style of coding is a holdover from C/C++ style coding, and it shows that the developer isn't really confident that Java initializes instance variables to default values. There are many reasons that parameters are an important tool for today's programmer. Pass parameters to memory or modify port widths. Obtain Values For URI Parameters. Pass result of query to VBA as boolean. booleanValue(); The constructor converts the string value as boolean object based on the String value true/false. 2\ActlviÞy Edit name or value of the current parameter New Parameter of Delete Parameter Value 60m m 60 mm true Constrained true. The Boolean search operators are and, or and not. Boolean parameter may be used to show or hide a section of the report. I too would recommend just placing a Select-Object between your Import-Csv and your function with a calculated property to try to convert the property from the CSV file into a Boolean value. Cosine similarity parameters: tf-idf or Boolean? In a previous post , I used cosine similarity (a “vector space model”) to compare spoken vs. Determining the padding is something that is performed during creation or initialization of the class instance. This is part of the common Get/Update/Set pattern where you get an object from a store, change some properties on that object, and then pass it to an update command. Datatype for the Boolean values true and false. [string] Fixed-length string of Unicode characters [char] A Unicode 16-bit character [byte] An 8-bit unsigned character [int] 32-bit signed integer [long] 64-bit signed integer [bool] Boolean True/False value [decimal] A 128-bit decimal value [single] Single-precision 32-bit floating point number [double. …If it's unchecked it'll be set to false. Boolean Values and Operators. The tool cannot be executed until a value has been supplied. x[ind_1, boolean_array, ind_2] is equivalent to x[(ind_1,) + boolean_array. ) We can do better than this. Using PowerShell Switch vs. In the Parameters property page, the value for a boolean type can be set to 'true' , 'false' or can be left empty by adding only the two quotes ( '' ). It works just fine, but when I see one it makes me wonder what other PowerShell idioms the writer is not aware of. Click the Add Parameter drop-down list a second time, and choose to create a String parameter. For s and s (both of which do not use the attributes just explained) add an underscore to the tag name itself: <_item value="1">Localized item name and <_option value="1">Localized option name respectively. Name the Boolean parameter generate_javadoc, and enable the Default Value checkbox. com will work, but site: nytimes. I have already created the boolean parameter in the script tool, I am however unaware of how to "fill in" the required parameter. A parameter is defined by a name and a Class, which is a Java class type like java. Boolean in Query. Things that trip newbies in Powershell - Pipeline Output Jun 15, 2013 After the previous posts that pointed out the gotchas with powershell , now is the time to look at a more confusing aspect of Powershell. You open the Parameters page for a report that has multiple Boolean parameters in Microsoft SQL Server 2016 Reporting Services (SSRS 2016). Parameters that correspond to existing parameters in Systems Manager Parameter Store. static void. Hello: I have a simple SQL Reporting Services (SSRS) report with three columns. Returns: True if the key is down. Parameters with a Focus on Boolean CQG's Formula Builder Toolbox gives you the ability to use parameters (variables) inside your CQG code in order to control studies, conditions, and trade systems externally without the need to edit the code anytime you want to change something. The solution to this problem is the ParamArray parameter type. Often times we need to pass a Boolean value to a Powershell provider, and a perfect example is for the purpose of a "debug" flag. Boolean values are the two constant objects False and True. grey|gray Vertical pipes act as an “OR” as shown in spelling the ambiguous color. I created a True/False Boolean report parameter. By changing the LayoutManager a RecyclerView can be used to implement a standard vertically scrolling list, a uniform grid, staggered grids, horizontally scrolling collections and more. The display of the Parameter in the triggered job is done via the parameter type passed to it not from what is configured from the job. re: SQL WHERE clauses: Avoid CASE, use Boolean logic How can I put the boolean method into practice in the following scenario: I am adding two parameters to an already existing report which has an existing where clause in its dataset query. SSRS gives developers the ability to add. Derived — A Derived parameter is only for output parameters. I'm adding an "alltenants" param, and a "tenants" param which has the options of "Current" and "Past". This is about the best practice of calling a function with a boolean variable, not a question as to whether the boolean should be there in the first place. When passing parameters to create or update an object, parameters should be passed as a JSON object containing the appropriate attribute names and values as key-value pairs. It took a little time, but I think I see what your problem is. …For the description I'll add check this box…to run tests before deployment. 05/20/2019; 17 minutes to read +9; In this article Short description. nonzero() into the same position and using the integer array indexing mechanism described above. Option Explicit. The following is an example of a stored procedure, boolProc, that attempts to pass a Boolean parameter, and a second procedure, boolWrap, that performs the substitution of an integer value for the Boolean. Like the allin parameters, this is actually appended to the q= parameter. (1) Double-click on your parameter in SSRS to get to the 'Report Parameter Properties' dialog. If it's not activated the variable will be set to false. For example, if you wanted to find documents with numbers between 15 and 100, you'd put in 15. The option to create a parameterized Jenkins build job is a core feature of the popular CI tool , so you don't need to install any plug-ins to create one. This approach which is a little bit complicated but much robust and can be acceptable in applications with high requirements of security. As with most things, what you want to accomplish (with limited resources) can force some valuable insight, not to mention innovation. Boolean values: When an expression is required to evaluate to true or false (such as an IF-statement), a blank or zero result is considered false and all other results are considered true. Programmers coming from other languages are used to Boolean variables. The display of the Parameter in the triggered job is done via the parameter type passed to it not from what is configured from the job. He preaches that up and down the street, and I couldn't agree more with that! The reason: We all know that 1 method should do only 1 thing (Single Responsibility Principle for methods and classes). Derived — A Derived parameter is only for output parameters. Command: Command to be executed to evaluate value of the key. A Java lambda expression is thus a function which can be created without belonging to any class. Description. Starting with BTS2013, the behavior of Boolean param within a scripting functoid has changed. Oracle could do it better by (beside introducing boolean "true" and "false" literals and a type limited to those true, false and NULL values) allowing use of boolean data type as logical expressions in SQL with all the same rules that do apply to the SQL logical expressions (and vice versa - allow logical expressions being used as boolean data. A ParamArray allows any number of parameters, including none at all, to be passed into a procedure. MFcom/integpg/comm/AUXSerialPort. The print function has a keyword parameter. If it's not activated the variable will be set to false. The report UI will prompt the user to enter the parameter values; the values will be available within the report where they can be displayed, passed to a query, used in expressions, etc. For example, if you wanted to find documents with numbers between 15 and 100, you'd put in 15. Returns: True if the key is down. Boolean parameter in verilog Hi, I generally work with VHDL,but in my present design i need to instantiate a VHDL module in verilog. php on line 55 Advertise. You can add parameters to the advanced functions that you write, and use parameter attributes and arguments to limit the parameter values that function users submit. Format parameters. The boolean type is used for conditional operations. The variable t is called a parameter and the relations between x, y and t are called parametric equations. pack_start(child, expand=false, fill=true). In numeric contexts (for example, when used as the argument to an arithmetic operator), they behave like the integers 0 and 1, respectively. Activator. On the Parameters rollout, choose the Boolean operation to perform: Union, Intersection, Subtraction, Merge, Attach, or Insert, enabling the Imprint or Cookie options if required. I have a WHERE clause in my query which applies only if the boolean parameter is true/checked. string or integer). It allows the user to specify whether directories, files, or both directories and files from the filesets are included as entries in the parameter set. For responses that contain more than one page of data, use this parameter to retrieve the additional pages of data. Value) This hidden parameter IsValidParam will have value true/false depending on stardate and enddate parameters. Boolean operators are used widely in programming and also in forming database queries. If not you can create a boolean parameter by changing the data type to Boolean. An Actor is not normally instantiated, but instead used as a superclass to more specific objects in the world. Expressions are a very powerful feature of SQL Server Reporting Services (SSRS). Tygur, in VB (at least before VB. In this post, I want to see whether and to what extent different metrics entered into the vectors—either a Boolean entry or a tf-idf score—change the results. A number can be used as an input for this parameter, provided a raster is specified for the other parameter. Note that to perform a "smart" search, DataTables uses regular expressions, so if you pass a regular expression in as the second parameter to this method, you will likely want to disable smart searching so the two different regular expressions don't conflict. Hello: I have a simple SQL Reporting Services (SSRS) report with three columns. It still involves a boolean on the actual function implementation. Following is the declaration for java. As with most things, what you want to accomplish (with limited resources) can force some valuable insight, not to mention innovation. Boolean searches make it easy to find what you're looking for in a Google search. py is to use the plus operator, +. Accepts any of the true or false values listed above. where D is a set of real numbers. First, I tried to add a [boolean] parameter, but that doesn't work because it needs a value with the argument; I want it to be invoked with just the presence of the switch/flag. We present static analyses which ensure statically the liveness and the boundedness of BDPF graphs. Boolean parameters provide a simple true/false evaluation. Returns a Boolean parameter value with the given name. Cmdlet Parameters. I'm looking to be able to pass a boolean value of true or false to be able to run the whatif function for disabling ad accounts. The first parameter determines if sorting icons should be visible on all the columns that have the sortable property set to true. Assigning a new value to a variable changes the value inside the method only -- the original variable outside the method is unchanged. A" means a function which takes a parameter x and returns A. You can change the type of some parameter to PLAIN to exclude this parameter from request simulation easily. boolean getBooleanParameter(String name, boolean defaultValue) Deprecated. I think boolean parameters are acceptable in a language that supports keyword arguments, such as Python, and where their use is encouraged to reduce ambiguity. asked by seungkwan17 on September 26, 2019; Language Arts. According to the definition type, the leftmost value of the Boolean type is false, therefore the default value of any object of the Boolean type is false. Personally, I don't understand why M$ has implemented optional parameters, instead of a function overload. You select the Use default check box for more than one Boolean parameter. Inherit: Logical (see Configuration Parameters: Optimization) — The block uses the Implement logic signals as Boolean data configuration parameter to specify the output data type (see Implement logic signals as Boolean data (vs. So in this case, x gets initialized to 0 twice, and bar gets initialized to null twice. PowerShell Data Types. Below is an example chart that helps explain the Boolean operations even more by detailing each of the different Boolean situations. Datatype for the Boolean values true and false. This comparison uses one of the following relational operators:. SSRS gives developers the ability to add. OpenSubKey with 'writable' Boolean parameter. To me, a Boolean parameter is a code smell. Variables and parameters. This is because it is very late and the java team cannot change the design of transaction objects(TO) which we are getting as input. Aug 24, 2011 7 min read #api #javascript #musing #qt. They’re based on some existing type, and they transform the properties. I too would recommend just placing a Select-Object between your Import-Csv and your function with a calculated property to try to convert the property from the CSV file into a Boolean value. String parameters may include constants. PowerShell is a bit like JavaScript in how it handles true and false, there is true-ish and false-ish. 2\ActlviÞy Edit name or value of the current parameter New Parameter of Delete Parameter Value 60m m 60 mm true Constrained true. (1) Double-click on your parameter in SSRS to get to the 'Report Parameter Properties' dialog. The programmer probably wanted to print the details only when there are fewer than 10 items in the order, otherwise the. Introduction. Variables and parameters. Feb 19, 2016 · I have 18 Boolean parameters in my report. Sorry, you can't reply to this topic. I would like to run the following as a parameter as so. At line:51 char:42. The three basic boolean operators are: AND, OR, and NOT. Use the asterisk wildcard character (*) to include alternative forms of wo rds, plurals, etc. You can change the parameter type back, if needed (this will free you from creating the parameter and entering its value later):. You open the Parameters page for a report that has multiple Boolean parameters in Microsoft SQL Server 2016 Reporting Services (SSRS 2016). Describing Parameters In Swagger, API operation parameters are defined under the parameters section in the operation definition. Angular is a platform for building mobile and desktop web applications. If you pulling data from a boolean source, such as a UI control or data source, I'd rather have setSwitch(aValue) than. For instance, about every other cryptographic library doesn't use a padding flag in the method signature at all. double) ). Can any one please suggest me what i need to do i n order have YES or NO in the Radio button In Prompt area. Since the variable New Field Name is a value variable, not a data variable, it will not have the icon. The bool type is a common type to use as the return type in methods in C# programs. Using Data Model Designer define class attribute and indexes. Expressions are a very powerful feature of SQL Server Reporting Services (SSRS). At a lot of places, you want to progress conditionally. You specify a Systems Manager parameter key as the value of the SSM parameter, and AWS CloudFormation fetches the latest value from Parameter Store to use for the stack. They can assist in controlling datasets, as datasets parameters, or they can help with the internal affairs of a report, such as in an expression that determines whether an object should be shown or be hidden. An Actor is not normally instantiated, but instead used as a superclass to more specific objects in the world. I created a Report Model in Visual Studio and deployed it to the Report Server. visibility of parameter b shoula depend on value of parameter a. when i change the parameter type from boolean to String its giviing result. result The value of the formal parameter is copied into the actual parameter when the procedure returns. Introduction. I gave my parameter a name of InclCostInfo, set the data type property to boolean, and finally set the default value property to true. This example program uses the literal constants true and false. Parameters that correspond to existing parameters in Systems Manager Parameter Store. Name this Jenkins build parameter javadoc_location and give it a default value of C:\javadoc. When any variables of these data types are passed as parameters to a method, their values will not change. Message: fopen(): SSL operation failed with code 1. While one boolean argument is already confusing, two boolean arguments can’t be more fun. I created a True/False Boolean report parameter. See below for more information. Main script:. Really this just a wrapper around "AntCall" Added a "type" attribute that works precisely like its equivalent in ExecuteOn. delay public static void delay(int time) Delay the current execution by a number of time steps. The ack module - create and send ACK messages; Custom ACKs in Iguana; ack. For example, if you wanted to find documents with numbers between 15 and 100, you'd put in 15. At line:51 char:42. Syntax new Boolean([value]) Parameters value Optional The initial value of the Boolean object. Note: the parameter data type is Boolean, but in the expression it is getting compared to is the 0 (zero), this is due to the fact the SSRS uses Visual Basic as its scripting engine where a true value is –1 and 0 is false. Enter their display names and data types using the procedures described above. Pass parameters to memory or modify port widths. Google Search usually ignores punctuation that isn’t part of a search operator. \whatif_function -Testing False. This comparison uses one of the following relational operators:. If true will return all intents instead of just the topscoring intent. Programmers coming from other languages are used to Boolean variables. The VE form shows a text input field if the template transclusion did not yet contain a L parameter assignment, even more on first insertion of template transclusion by means of VE. Declaration. You open the Parameters page for a report that has multiple Boolean parameters in Microsoft SQL Server 2016 Reporting Services (SSRS 2016). Here, I will tell you the possible ways to return calculated Boolean values from SQL Server code. GObject properties which operate on GValue containers. In Python I would write: box. I want to make their default value to false through expression when ever user runs the report. A Boolean indicating success or failure (true if data was copied from the message to the ACK - false otherwise) boolean. Common search techniques Search social media. Sorry, you can't reply to this topic. If not you can create a boolean parameter by changing the data type to Boolean. Conditional Default Values in SSRS. The one parameter that might be new to you is ExecutorType. Describing Parameters In Swagger, API operation parameters are defined under the parameters section in the operation definition. Boolean Function Parameter How do I pass more than one arguement to a function using " ? Urgent: Calling a method of a java object (getting a boolean parameter) from java script. In my experience, Powershell probe and write action modules always type cast the script input parameter as String, whether the configuration element is of type Boolean or String. You try to select the True or False value for a Boolean parameter. P art80dy\Pad. Severity: Warning. Quote: Understanding complicated boolean tests in detail is rarely necessary for understanding program flow (Code. Problem is its not giving any result if user selects true. Boolean Datatype. Parameters: name - the parent name. written States of the Union. The difference between [Switch] and[Bool] in Powershell function parameters Specify a parameter of type 'System. I don't know if this will work but it's worth a try. py is to use the plus operator, +. debug: boolean (default FALSE) flag for turing on the debug mode.