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Why do we need tuples in Python (or any immutable data type)?
...but far more than just "substantial" (designing decent hash tables storing completely mutable objects is a nightmare -- either you take copies of everything as soon as you hash it, or the nightmare of checking whether the object's hash has changed since you last took a reference to it rears its ugly...
Simple tool to 'accept theirs' or 'accept mine' on a whole file using git
...rs). Most of the time I either want all of their changes or all of mine. Commonly this is because my change made it upsteam and is coming back to me through a pull, but may be slightly modified in various places.
...
How do I implement basic “Long Polling”?
...ds. 1 in 3 chance of returning an error 404 (to show error handling in the coming Javascript example)
msgsrv.php
<?php
if(rand(1,3) == 1){
/* Fake an error */
header("HTTP/1.0 404 Not Found");
die();
}
/* Send a string after a random number of seconds (2-10) */
sleep(rand(2,10));
e...
How to fix 'android.os.NetworkOnMainThreadException'?
...
This is exactly the wrong answer. I come across this all the time in peoples code, and its annoying to have to fix it all the time. AsyncTask should not be used for network activity, because it's tied to the activity, but not the activity lifecycle. Rotating th...
Java 7 language features with Android
...l, you could not use Eclipse's ADT because it is hard-coded that only Java compiler 1.5 and 1.6 are compliant. You could recompile ADT but I find there is no simple way to do that aside from recompiling the whole Android together.
But you don't need to use Eclipse. For instance, Android Studio 0.3...
How to make rounded percentages add up to 100%
...
@yonilevy Deleted my comment; I just didn't realize it was supposed to return a sorted list. I apologize!
– Zack Burt
Apr 30 '14 at 19:08
...
Is it possible to set a custom font for entire of application?
...se do star to up-vote the android issue here). Note: Do not leave "me too" comments on that issue, everyone who has stared it gets an email when you do that. So just "star" it please.
import java.lang.reflect.Field;
import android.content.Context;
import android.graphics.Typeface;
public final cla...
How to install MySQLdb (Python data access library to MySQL) on Mac OS X?
...ave better experience of the issue... apply a bit of that SO magic.
Note: Comments in next paragraph applied to Snow Leopard, but not to Lion, which appears to require 64-bit MySQL
First off, the author (still?) of MySQLdb says here that one of the most pernicious problems is that OS X comes insta...
What is the difference between “screen” and “only screen” in media queries?
... specifying screen as opposed to the other available media types the most common other one being print.
@media only screen and (max-width:632px)
Here is a quote straight from W3C to explain this one.
The keyword ‘only’ can also be used to hide style sheets from older user agents. User ...
Best way to center a on a page vertically and horizontally? [duplicate]
...
The best and most flexible way
My demo on dabblet.com
The main trick in this demo is that in the normal flow of elements going from top to bottom, so the margin-top: auto is set to zero. However, an absolutely positioned element acts the same for distribution of free space,...