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C/C++ NaN constant (literal)?
...at in C/C++? Like in JavaScript you do: a = NaN . So later you can check if the variable is a number or no.
5 Answers
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For files in directory, only echo filename (no path)
How do I go about echoing only the filename of a file if I iterate a directory with a for loop?
5 Answers
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Convert XLS to CSV on command line
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Open Notepad, create a file called XlsToCsv.vbs and paste this in:
if WScript.Arguments.Count < 2 Then
WScript.Echo "Error! Please specify the source path and the destination. Usage: XlsToCsv SourcePath.xls Destination.csv"
Wscript.Quit
End If
Dim oExcel
Set oExcel = CreateObject(...
How do I check for a network connection?
What is the best way to determine if there is a network connection available?
4 Answers
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Create an empty data.frame
...ying to initialize a data.frame without any rows. Basically, I want to specify the data types for each column and name them, but not have any rows created as a result.
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How to detect duplicate values in PHP array?
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if(count(array_unique($array))<count($array))
{
// Array has duplicates
}
else
{
// Array does not have duplicates
}
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how to stop Javascript forEach? [duplicate]
I'm playing with Node.js and Mongoose — trying to find specific comment in deep comments nesting with recursive function and forEach within. Is there a way to stop Node.js forEach ? As I understand every forEach iteration is a function and and I can't just do break , only return but this w...
A good solution for await in try/catch/finally?
...move the logic outside of the catch block and rethrow the exception after, if needed, by using ExceptionDispatchInfo.
static async Task f()
{
ExceptionDispatchInfo capturedException = null;
try
{
await TaskThatFails();
}
catch (MyException ex)
{
capturedExcep...
In Go's http package, how do I get the query string on a POST request?
...ype, which is simply a map[string][]string of the QueryString parameters.
If what you're looking for is the POST data as submitted by an HTML form, then this is (usually) a key-value pair in the request body. You're correct in your answer that you can call ParseForm() and then use req.Form field to...
Is a Python list guaranteed to have its elements stay in the order they are inserted in?
If I have the following Python code
6 Answers
6
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