how to convert string to variable name in c#irvin-parkview funeral home

This can potentially start "false succeeding" when you change the name of a method. The global method Number() converts a variable (or a value) into a number. I was heading down the reflection route but strugglingmissed the trick of having the messages in a class (d'oh). By clicking Post Your Answer, you agree to our terms of service and acknowledge that you have read and understand our privacy policy and code of conduct. In C you cannot create variable or symbol names dynamically. JavaScriptSerializer - JSON serialization of enum as string. How can I convert it into a variable? Are there any MTG cards which test for first strike? Not sure if this could be used in production code, but in Python 3.8(and up) you can use f' string debugging specifier. First, define your structure in a header file that can be accessed by all files in your directory, for instance 'struct.h'. ^ Please go easy on the code, just a rough example of what could be done. The cofounder of Chef is cooking up a less painful DevOps (Ep. Sometimes we can do things at runtime, and even then good C++ programmers will find a way to do the work as early as compile time. 1 Link Commented: Stephen23 on 18 May 2018 Accepted Answer: Thomas Hello, I have a variable (vector) defined at the beginning of my code, say A1. Not the answer you're looking for? If you know you want print foo to print "foo", you might as well just execute print "foo" in the first place. I'm having trouble in converting the string "Hello" into a variable name. The real challenge here is that you are not guaranteed to get back the variable name by itself. 6.0. Mar 31 '08 Here is a succinct variation that lets you specify any directory. cout << "X has been assigned the value of " << structname.x << endl; The issue with using directories to find anything is that multiple variables can have the same value. What is the best way to loan money to a family member until CD matures? cout<<"Xhasbeenassignedthevalueof"< pair with char* as string in C++, Use a map with the map name defined by a string C++. For this case I have made nameof() macro. c++ string Similar quotes to "Eat the fish, spit the bones". Not the answer you're looking for? Strings representing the name of an identifier, can only be referenced back to the actual identifier by the. In this tutorial, we have learned about the concept of converting a string to a variable name. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. Yet, the answer of @Alice and other similar answers in which the use of locals() or globals() is suggested achieve exactly that. Did Roger Zelazny ever read The Lord of the Rings? The simplest way is simply calculate.Repalce("value1", value1.ToString()).Replace("value2", value2.ToString()) and then parse that while the most complex is a full-blown scripting language. After a little bit of experimentation I created following macros that convert names of variables, fields, functions, methods and types to strings. Basically Python uses one C variable named tok to name them all. If so, the tuple passes the test and is returned by ifilter(). In CP/M, how did a program know when to load a particular overlay? Connect and share knowledge within a single location that is structured and easy to search. Why do microcontrollers always need external CAN tranceiver? Is there a reason for C#'s reuse of the variable in a foreach? Nice solution. Using exec() Method in Python to Convert a Python string to a Variable Name, 2. This function works the same as the globals() function. What are these planes and what are they doing? If another variable name is assigned the same value, however, the list will be longer. Are Prophet's "uncertainty intervals" confidence intervals or prediction intervals? As on overview, the idea is essentially, you wrote to an external file the ascii characters "m.string1", which once is written, is interpreted as an integer via the structure definition, yielding you your desired outcome. A nameof expression is evaluated at compile time and has no effect at run time. Is it possible to convert strings into variables(and vise versa) by doing something like: and then be able to just access it by doing something like: No, this is not possible. : ) to another identifier (e.g. 1. Header File: The header file of this function is <string>. Any ideas how? It's just that creating variables at runtime is not possible in C++. How do precise garbage collectors find roots in the stack? Can wires be bundled for neatness in a service panel? Not the answer you're looking for? This whole process is called "Scanners" and "Calculators" in early ANCI C. Study Dennis Ritchie and Tobias Shrighner. Does C have any way to do this? Here is one way, please check the sample code I have written. This is true for interactive language environment, and not true for compiled languages like C++ or Java. First, we will define a variable myStr that contains the original string that we need to convert into a variable name. NFS4, insecure, port number, rdma contradiction help. What if I want a function that takes input that changes and prints the input variable's name? Sign in to post your reply or Sign up for a free account. Or if the obj is not specified, use the callers stack frame to derive it, etc. Bonded neutral on the generator if wiring to a sub-panel? Now consider: varname. skinny inner tube for 650b (38-584) tire? By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Is it possible to define variable with a name from string, Implement map with different data type values in c++, Creating variables using input from a file. Add = at the end of an expression, and it will print both the expression and its value: To uncover this magic here is another example: Explanation: when you put '=' after your var in f'string, it returns a string with variable name, '=' and its value. For this, I made some small changes to your tostr() function: ` def variabletostr(**df): variablename = list(df.keys())[0] return variablename variabletostr(df=0) ` FYI: I added this code as a new post in this thread. Then matches make them both dynamic and easy for Python to use them. This is an outstanding write-up, and the kind of high-quality content I come here for. Connect and share knowledge within a single location that is structured and easy to search. Don't tell someone to read the manual. the current scope. There is no way to know which name is the "correct" one. To my knowledge, you can't do that the way you want to. It only works if the random_function() can resolve the 'argument_data' string to an actual identifier. Code is baked in, at compile time; data can be baked in or taken at runtime. That will be a problem with hundreds of variables. This function in C++ is used to convert the string argument text to int form. This is what Microsoft did using COM. of the heading is not possible - ideally I'd like to convert the variable name We will then discuss how we can convert a string to a variable name with examples explained in detail. Are Prophet's "uncertainty intervals" confidence intervals or prediction intervals? Where in the Andean Road System was this picture taken? Why do microcontrollers always need external CAN tranceiver? To disable or enable advertisements and analytics tracking please visit the manage ads & tracking page. Asking for help, clarification, or responding to other answers. There are 5 significant methods to convert strings to numbers in C++ as follows: Using stoi () function Using atoi () function Using stringstream Using sscanf () function Using for Loop Using strtol () function 1. Macro expansion and stringification: How to get the macro name (not its value) stringified using another macro? To learn more, see our tips on writing great answers. There are actually some good usecases for this. Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide, The future of collective knowledge sharing. I wrote the following #define TO_STRING (val) #val Is this a valid way of converting a variable into a string? What are the white formations? My variablename() function searches through that list to find the variable name(s) that corresponds to the value of the variable whose name I need in string form. How many ways are there to solve the Mensa cube puzzle? Is it morally wrong to use tragic historical events as character background/development? yeh that is useful and good but i want to dynamically create variables specified from the "command line", @Flyphe: you can read the string used there ("count") from, yes but function for printing name and variable value could be useful while debugging, instead of that there is prepocessor which status is known, Convert string to variable name or variable type, Access variable value using string representing variable's name in C++, The cofounder of Chef is cooking up a less painful DevOps (Ep. Idiomatic python is one thing, ignoring the question is another thing. Some of your comments gave me an idea to sort out the answer. Converting the value of a dtatable from a string to a Double, converting old app to VB - strange INPUT behavior, ObjectDataSource & GridView for variable length input lists, Converting HTML to XHTML (JTidy,OpenXML,Xerces), Help with C++ program converting PBM (p4) to PPM (p5), One of the easiest ways to set the background color of Excel documents in Java, The next Access Europe meeting is on Wed 7 June - Northwind 2.0 Developer Edition Inventory and String functions, Join our open community on Discord to learn programming, SEO, and marketing, Mastering Python: A Versatile Programming Language for All, How to deploy AntDB Community Version on a virtual machine on VMware WorkstationP3, How to send live message and notification to all the Access Database frontend users, cout<<"Pleaseenterthenameofthestructure". Temporary policy: Generative AI (e.g., ChatGPT) is banned. Is there an extra virgin olive brand produced in Spain, called "Clorlina"? I will use UTHASH, but there are certainly other ways. the answer is similar to the solution by @tamtam . The code uses comma operator and void conversion to force compiler to check if variable, function, etc. Provide an answer or move on to the next question. Since there are double quotes I'm unable to convert it. We will convert a string into a variable name with multiple ways like exec() function, locals() function and globals() function. If argument_data identifier name is available in the random_function()'s namespace. How to use a string as a variable name in C++? Mar 31 '08 Similar quotes to "Eat the fish, spit the bones". For example def somefunction(a): nameof(a). ^ Please go easy on the code, just a rough example of what could be done. The first step is to convert the string names to their respective integers. Consider the following current state of affairs: If one is passing an identifier name ('function','variable','dictionary',etc) argument_data to a random_function() (another identifier name), one actually passes an identifier (e.g. Do not use this code, please! You'll only have to do it once. Is there a lack of precision in the general form of writing an ellipse? The operation is evaluated at compile-time, which means that you can rename, using an IDE's rename feature, a referenced identifier and the name string will update with it. I am a newbie to Access (most programming for that matter). web. These are dynamic, interactive languages, like BASIC, Lisp, Ruby, Python. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. In this example, we will have a variable named by us and an input string. Next is to create some mapping that takes in the string name and points it to this integer.

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