大约有 40,000 项符合查询结果（耗时：0.0466秒） [XML]
No output to console from a WPF application?
...
You'll have to create a Console window manually before you actually call any Console.Write methods. That will init the Console to work properly without changing the project type (which for WPF application won't work).
Here's a complete source code example, of how a C...
Python Regex - How to Get Positions and Values of Matches
...eUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
Apply function to all elements of collection through LINQ [duplicate]
...ently started off with LINQ and its amazing. I was wondering if LINQ would allow me to apply a function - any function - to all the elements of a collection, without using foreach. Something like python lambda functions.
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How to process SIGTERM signal gracefully?
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@Mausy5043 Python allows you to not have parenthesis for defining classes. Although it's perfectly fine for python 3.x, but for python 2.x, best practice is to use "class XYZ(object):". Reason being: docs.python.org/2/reference/datamodel.html#...
Handle ModelState Validation in ASP.NET Web API
... do validation in your api controller:
using System.Net;
using System.Net.Http;
using System.Web.Http.Controllers;
using System.Web.Http.Filters;
namespace System.Web.Http.Filters
{
public class ValidationActionFilter : ActionFilterAttribute
{
public override void OnActionExecuting...
jQuery event to trigger action when a div is made visible
....
With the release of IE11, all major browsers support this feature, check http://caniuse.com/mutationobserver
The example code is a follows:
$(function() {
$('#show').click(function() {
$('#testdiv').show();
});
var observer = new MutationObserver(function(mutations) {
alert('Att...
How do I use PHP namespaces with autoload?
... $class parameter of autoload is the class name as written in constructor call.
– tishma
Feb 6 '13 at 12:29
1
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Are Swift variables atomic?
... Car2 {
}
Update 05/25/16: Keep an eye out for swift evolution proposal https://github.com/apple/swift-evolution/blob/master/proposals/0030-property-behavior-decls.md - it looks like it is going to be possible to have @atomic behavior implemented by yourself.
...
When should use Readonly and Get only properties
...ulation posts series of Mark Seemann about properties and backing fields:
http://blog.ploeh.dk/2011/05/24/PokayokeDesignFromSmellToFragrance.aspx
taken from Mark's example:
public class Fragrance : IFragrance
{
private readonly string name;
public Fragrance(string name)
{
if ...
How to do what head, tail, more, less, sed do in Powershell? [closed]
...an above option
gc log.txt | more # or less if you have it installed
gc log.txt | %{ $_ -replace '\d+', '($0)' } # sed
This works well enough for small files, larger ones (more than a few MiB) are probably a bit slow.
The PowerShell Community Extensions include some cmdlets fo...