大约有 18,900 项符合查询结果(耗时:0.0399秒) [XML]
Unique fields that allow nulls in Django
...
This is fixed now that https://code.djangoproject.com/ticket/4136 is resolved. In Django 1.11+ you can use models.CharField(unique=True, null=True, blank=True) without having to manually convert blank values to None.
...
NSURLRequest setting the HTTP header
...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...
Is it pythonic to import inside functions?
...ner, and also works 4.5 times faster than an import statement!
Benchmark: https://gist.github.com/kolypto/589e84fbcfb6312532658df2fabdb796
share
|
improve this answer
|
foll...
Converting timestamp to time ago in PHP e.g 1 day ago, 2 days ago…
...
I don't know why nobody mention Carbon yet.
https://github.com/briannesbitt/Carbon
This is actually an extension to php dateTime (which was already used here) and it has: diffForHumans method. So all you need to do is:
$dt = Carbon::parse('2012-9-5 23:26:11.123789');...
What's the best way to set a single pixel in an HTML5 canvas?
... the speed of these here: http://jsperf.com/setting-canvas-pixel/9 or here https://www.measurethat.net/Benchmarks/Show/1664/1
I recommend testing against browsers you care about for maximum speed. As of July 2017, fillRect() is 5-6× faster on Firefox v54 and Chrome v59 (Win7x64).
Other, sillier ...
Ignoring accented letters in string comparison
...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...
Issue with adding common code as git submodule: “already exists in the index”
..."
git rm --cached c3-pro-ios-framework
Add submodule
git submodule add https://github.com/chb/c3-pro-ios-framework.git
share
|
improve this answer
|
follow
...
Relative paths based on file location instead of current working directory [duplicate]
....g., HP-UX (thanks, @Charles Duffy).
The following solution, inspired by https://stackoverflow.com/a/1116890/45375,
defines helper shell function, rreadlink(), which resolves a given symlink to its ultimate target in a loop - this function is in effect a POSIX-compliant implementation of GNU readl...
How do I reset the scale/zoom of a web app on an orientation change on the iPhone?
...is solution is very responsive and does not interfere with zoom gestures.
https://github.com/scottjehl/iOS-Orientationchange-Fix
How it works: This fix works by listening to the device's
accelerometer to predict when an orientation change is about to occur.
When it deems an orientation chan...
What does it mean to inflate a view from an xml file?
...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...
