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How do I handle the window close event in Tkinter?
...rotocol(), a button, etc. -- will disturb this activity ("while executing" error) rather than just terminate it. The best solution in almost every case is to use a flag. Here is a simple, silly example of how to use it (although I am certain that most of you don't need it! :)
from Tkinter import *
...
Working Soap client example
...close();
} catch (Exception e) {
System.err.println("\nError occurred while sending SOAP Request to Server!\nMake sure you have the correct endpoint URL and SOAPAction!\n");
e.printStackTrace();
}
}
private static SOAPMessage createSOAPRequest(String ...
Is using Random and OrderBy a good shuffle algorithm?
...at you're actually trying to do.
EDIT: Here's a simple implementation (no error checking!):
public static IEnumerable<T> Shuffle<T>(this IEnumerable<T> source, Random rng)
{
T[] elements = source.ToArray();
// Note i > 0 to avoid final pointless iteration
for (int ...
How to get the raw value an field?
...ill have invalid input. .valid is defined as the absence of any validation errors (E.g. mismatches, overflows, underflows), of which .badInput is only one kind of error. Note the chart above where .badInput is false, but the input is still invalid.
– Ian Boyd
S...
Where to put view-specific javascript files in an ASP.NET MVC application?
...
When i do this i get the error that httpHandlers cannot be used in pipeline mode. It wants me to switch to classic mode on the server. What is the the correct way of doing this when one does not want the server to use classic mode?
...
Why use AJAX when WebSockets is available?
...things that the browser already does well (caching, security, parallelism, error handling, etc). Regarding performance, although from-scratch raw large file transfer speed would be similar, browsers have had years to finely tune caching of web content (much of which applies to AJAX requests) so in p...
All falsey values in JavaScript
...}
[]
function(){} or () => {} (any function, including empty functions)
Error and any instance of Error
Any regular expression
Anything created with new (including new Number(0) and new Boolean(false))
Any Symbol
true, 1, "1" and [1] return true when compared to each other with ==.
...
Is JavaScript's “new” keyword considered harmful?
...ntime exception:
if ( !(this instanceof arguments.callee) )
throw new Error("Constructor called as a function");
(Note that this snippet is able to avoid hard-coding the constructor function name, as unlike the previous example it has no need to actually instantiate the object - therefore, it...
Rule-of-Three becomes Rule-of-Five with C++11?
...cial functions. This is good because a missing declaration turns a runtime error into a compilation error now (or at least a warning). As a C++03 compatibility measure some operations are still generated but this generation is deemed deprecated and should at least produce a warning in C++0x mode.
D...
What's the difference between “Write-Host”, “Write-Output”, or “[console]::WriteLine”?
...n Azure WebJob [console]::WriteLine works but Write-Host will result in an error: The Win32 internal error "The handle is invalid" 0x6 occurred while setting character attributes for the console output buffer. Don't ask me why.
– Gil Roitto
Nov 3 '17 at 12:19
...