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Is it safe to get values from a java.util.HashMap from multiple threads (no modification)?
...e time - but this effect is generally small. In exchange, you actually get more than what you asked for - not only can you safely publish one HashMap, you can store as many more not-modified HashMaps as you want to the same reference and be assured that all readers will see a safely published map.
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How to print colored text in Python?
...ation). There are ansi codes for setting the color, moving the cursor, and more.
If you are going to get complicated with this (and it sounds like you are if you are writing a game), you should look into the "curses" module, which handles a lot of the complicated parts of this for you. The Python C...
Easiest way to flip a boolean value?
...l to have a TOGGLE(a) macro. This prevents some mistakes and makes it all more readable on narrow screens.
– OJW
Oct 1 '10 at 12:17
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Generate random password string with requirements in javascript
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Associating enums with strings in C#
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I like to use properties in a class instead of methods, since they look more enum-like.
Here's a example for a Logger:
public class LogCategory
{
private LogCategory(string value) { Value = value; }
public string Value { get; set; }
public static LogCategory Trace { get { return...
Should one use < or
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The first is more idiomatic. In particular, it indicates (in a 0-based sense) the number of iterations. When using something 1-based (e.g. JDBC, IIRC) I might be tempted to use <=. So:
for (int i=0; i < count; i++) // For 0-based A...
Squash my last X commits together using Git
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Hide html horizontal but not vertical scrollbar
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Should I use `this` or `$scope`?
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$scope is the "classic" technique while "controller as" is much more recent (as of version 1.2.0 officially though it did appear in unstable pre-releases prior to this).
Both work perfectly well and the only wrong answer is to mix them in the same app without an explicit reason. Frankly...
How to combine two or more querysets in a Django view?
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