大约有 41,000 项符合查询结果（耗时：0.0630秒） [XML]
How to programmatically cause a core dump in C/C++
I would like to force a core dump at a specific location in my C++ application.
10 Answers
...
Redirect non-www to www in .htaccess
...^example.com$ [NC]
RewriteRule (.*) http://www.example.com/$1 [R=301,L]
Or the solution outlined below (proposed by @absiddiqueLive) will work for any domain:
RewriteEngine On
RewriteCond %{HTTP_HOST} !^www\. [NC]
RewriteRule ^(.*)$ http://www.%{HTTP_HOST}/$1 [R=301,L]
If you need to support h...
Open a file with Notepad in C#
...tart().
The simplest example:
Process.Start("notepad.exe", fileName);
More Generic Approach:
Process.Start(fileName);
The second approach is probably a better practice as this will cause the windows Shell to open up your file with it's associated editor. Additionally, if the file specified do...
How to encode URL parameters?
...
With PHP
echo urlencode("http://www.image.com/?username=unknown&password=unknown");
Result
http%3A%2F%2Fwww.image.com%2F%3Fusername%3Dunknown%26password%3Dunknown
With Javascript:
var myUrl = "http://www.image.com/?username=unknown&password=unknown";
var encodedURL= "http://www.fooba...
Symfony 2 EntityManager injection in service
...t see that __construct() is called on my service, and injection doesn't work.
4 Answers
...
How to check if element exists using a lambda expression?
...
Also worth noting: if you want to negate the check use noneMatch instead of anyMatch.
– Blacklight
Aug 9 '18 at 9:02
...
How do you reinstall an app's dependencies using npm?
...
Agreed; assuming you've created a package.json file for your app.
– JohnnyHK
Oct 12 '12 at 20:24
10
...
Add a property to a JavaScript object using a variable as the name?
...ng bracket notation:
var obj = {
[key]: value
}
Where key can be any sort of expression (e.g. a variable) returning a value:
var obj = {
['hello']: 'World',
[x + 2]: 42,
[someObject.getId()]: someVar
}
share
...
Skip first entry in for loop in python?
...
The other answers only work for a sequence.
For any iterable, to skip the first item:
itercars = iter(cars)
next(itercars)
for car in itercars:
# do work
If you want to skip the last, you could do:
itercars = iter(cars)
# add 'next(itercars...
UICollectionView spacing margins
... I have created the collectionview using UICollectionViewFlowLayout . It works good but I would like to have spacing on margins. Is it possible to do that using UICollectionViewFlowLayout or must I implement my own UICollectionViewLayout ?
...