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Strangest language feature
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In JavaScript, the following construct
return
{
id : 1234,
title : 'Tony the Pony'
};
returns undefined is a syntax error due to the sneaky implicit semicolon insertion on the newline after return. The following works as you would expect though:
return {
id : 1234,
title :...
Detect permission of camera in iOS
... - Alert
let cameraUnavailableAlertController = UIAlertController (title: "Camera Unavailable", message: "Please check to see if it is disconnected or in use by another application", preferredStyle: .Alert)
let settingsAction = UIAlertAction(title: "Settings", style: .Destructive) { (_) -&g...
How to reference the initial commit?
I've got a script that needs to reference the initial commit in a repository. git has the special reference HEAD , but doesn't have the corresponding TAIL . I cannot find anything in git help rev-parse that would seem to help me.
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Is there an easy way to return a string repeated X number of times?
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This is a very useful trick of C#, but the title of the question is asking about a string (not a char). The other answers below this one are actually answering the question, but are rated much lower. I'm not trying to disrespect Ahmad's answer, but I think either ...
Is it considered acceptable to not call Dispose() on a TPL Task object?
...to take care of things.
Update (Oct 2012)
Stephen Toub has posted a blog titled Do I need to dispose of Tasks? which gives some more detail, and explains the improvements in .Net 4.5.
In summary: You don't need to dispose of Task objects 99% of the time.
There are two main reasons to dispose an ...
Build the full path filename in Python
...the filename and extension. Use sys.argv to access arguments passed to the script when executing it:
#!/usr/bin/env python3
# coding: utf-8
# import netCDF4 as nc
import numpy as np
import numpy.ma as ma
import csv as csv
import os.path
import sys
basedir = '/data/reu_data/soil_moisture/'
suffix...
How to line-break from css, without using ?
...nt: no extra markup.
In a blockquote, the example below displays both the title and the source link and separate the two with a carriage return ("\a"):
blockquote[title][cite]:after {
content:attr(title)"\a"attr(cite)
}
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Proper use cases for Android UserManager.isUserAGoat()?
... used as a convention, all the invocations could be later filtered by some script (during commit phase maybe?).
Google guys are heavy Eclipse users (they provide several of their projects as Eclipse plugins: Android SDK, GAE, etc), so the @djechlin answer and this complementary answer make a lot ...
Why declare unicode by string in python?
...g strings at runtime.
putting a non-ascii character like ۲ in the python script without the utf-8 header definition will throw a warning
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Loading Backbone and Underscore using RequireJS
...y things updated, im posting this as of Feb 2014.)
Make sure you included script in your index.html
<!-- build:js({app,.tmp}) scripts/main.js -->
<script data-main="scripts/main" src="bower_components/requirejs/require.js"></script>
<!-- endbuild -->
Then, in main.js
req...