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REST response code for invalid data
...ndard (WebDAV) and it should be treated by browsers the same as any other 4xx status code.
From RFC 4918:
The 422 (Unprocessable Entity) status code means the server understands the content type of the request entity (hence a 415(Unsupported Media Type) status code is inappropriate), and the sy...
Debugging sqlite database on the device
...B" and you will find a message saying
D/DebugDB: Open http://192.168.178.XXX:8080 in your browser
It works with every browser and you can inspect your database tables and shared preferences.
It also works with the default and the Genymotion emulators.
The tool I used before is stetho.
Dow...
Cross-referencing commits in github
...text of the reference as is. Do not wrap it into a markdown link, such as [xxx](mojombo/god@be6a8cc)
– Pierre Arnaud
Nov 11 '15 at 14:44
...
Collisions when generating UUIDs in JavaScript?
...lisions. Here's a code snippet:
var createGUID = function() {
return 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, function(c) {
var r = Math.random()*16|0, v = c == 'x' ? r : (r&0x3|0x8);
return v.toString(16);
});
}
var testGUIDs = function(upperlimit) {
...
Percentage Height HTML 5/CSS
...
bobince's answer will let you know in which cases "height: XX%;" will or won't work.
If you want to create an element with a set ratio (height: % of it's own width), the best way to do that is by effectively setting the height using padding-bottom. Example for square:
<div class...
When to use os.name, sys.platform, or platform.system?
....startswith('linux') idiom because "linux2" means a Linux kernel version 2.xx or 3. Older kernels are currently never used. In Python 3.3 are all Linux systems simple 'linux'.
I do not know the specifics of "Mac" and "Java" systems and so I can not use the results of very good method platform.sys...
Quicksort vs heapsort
...sy to understand, but fast... read http://www.cs.utexas.edu/users/EWD/ewd07xx/EWD796a.PDF if you want something a bit more challenging to code.
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Auto reloading python Flask app upon code changes
...le.ini:
[uwsgi]
socket = 127.0.0.1:5000
master = true
virtualenv = /Users/xxxx/.virtualenvs/sites_env
chdir = /Users/xxx/site_root
module = site_module:register_debug_server()
callable = app
uid = myuser
chmod-socket = 660
log-date = true
workers = 1
py-autoreload = 1
site_root/__init__.py
def r...
How do I make a dotted/dashed line in Android?
... your own color
paint.setColor(context.getResources().getColor(R.color.XXX));
path = new Path();
//array is ON and OFF distances in px (4px line then 2px space)
effects = new DashPathEffect(new float[] { 4, 2, 4, 2 }, 0);
}
@Override
protected void onDraw(Canvas canvas)
{
// TO...
How do I add a library project to Android Studio?
...dle files.
If you face the error
Error: The SDK Build Tools revision (xx.x.x) is too low. Minimum
required is yy.y.y
just open the build.gradle file in actionbarsherlock directory and update the buildToolsVersion to the suggested one.
android {
compileSdkVersion 19
buildToolsVersion 'y...