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Sort Go map values by keys
...iteration order is
not specified and is not guaranteed to be the same from one iteration
to the next. Since Go 1 the runtime randomizes map iteration order, as
programmers relied on the stable iteration order of the previous
implementation. If you require a stable iteration order you must
maintain a...
Is it good practice to use the xor operator for boolean checks? [closed]
...al to b". (What @RobertGrant said). Most humans would understand the first one easier if they know what xor is (which is pretty useful to know if you're in the field of computing...)
– Harold R. Eason
Nov 22 '13 at 20:53
...
Rails and PostgreSQL: Role postgres does not exist
...issue right on when I first install the Heroku's POSTGRES.app thing. After one morning trial and error i think this one line of code solved problem. As describe earlier, this is because postgresql does not have default role the first time it is set up. And we need to set that.
sovanlandy=# CREATE R...
Semi-transparent color layer over background-image?
...ead, but it shows up at the top in Google, so here's another option.
This one is pure CSS, and doesn't require any extra HTML.
box-shadow: inset 0 0 0 1000px rgba(0,0,0,.2);
There are a surprising number of uses for the box-shadow feature.
...
How do I record audio on iPhone with AVAudioRecorder?
Now that iPhone 3.0 SDK is public, I think I can ask this question for those of you that have already been playing with the 3.0 SDK. I want to record audio in my application, but I want to use AVAudioRecorder and not the older way of recording like the example SpeakHere shows. There are not any...
Which Architecture patterns are used on Android? [closed]
... is handling displaying a window to the user, with the additional view components you have added to it with setContentView, and also handling events for at least the various activity life cycle events.
In MVC, the controller is supposed to be the main entry point. Which is a bit debatable if this i...
MongoDB - Update objects in a document's array (nested updating)
...n't specified the array in the search query. Also I want both parts to be done in one shot. (if possible)
– Majid
May 9 '12 at 21:06
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Use dynamic (variable) string as regex pattern in JavaScript
...se JavaScript's RegExp object.
If you also want to match/replace more than one time, then you must add the g (global match) flag. Here's an example:
var stringToGoIntoTheRegex = "abc";
var regex = new RegExp("#" + stringToGoIntoTheRegex + "#", "g");
// at this point, the line above is the same as: v...
List comprehension on a nested list?
... what you started with except with floats instead of strings. If you want one flat list then you would use [float(y) for x in l for y in x].
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How do I “decompile” Java class files? [closed]
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In case one installed the Eclipse java decompiler plugin on Eclipse Juno, and Eclipse started hanging on Marketplace DND Initialization forcing to kill the whole process: removing the jd.*.jar from Eclipse plugins directory just fixe...