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Enabling ProGuard in Eclipse for Android
...signed application (Android Tools => Export Signed Application)
If you start the project with the SDK before Android 2.3 the proguard.cfg file will not be created (next to default.properties as in 2.3>).
To enable automatic creation of it, just simply update to the SDK of Android 2.3 and cre...
How to sort an array in Bash
...s that sort offers is sufficient, a sort + read -a solution will be faster starting at around, say, 20 items, and increasingly and significantly faster the more elements you're dealing with. E.g., on my late-2012 iMac running OSX 10.11.1 with a Fusion Drive: 100-element array: ca. 0.03s secs. (qsort...
In MySQL queries, why use join instead of where?
...ly, I "grew up" on WHEREs, but the more I use the JOIN syntax the more I'm starting to see how it's more clear.
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Get real path from URI, Android KitKat new storage access framework [duplicate]
... @Pam The URI you have is not a document URI - a document URI starts with document:. You can confirm this using DocumentsContract.isDocumentUri(uri) which basically checks if uri has prefix "document". It seems that you already have a file schemed URI. To get file path, you can use uri....
How to make a promise from setTimeout
...romise(); // Note we're not returning `p` directly
}
display("Start " + Date.now());
later().then(function() {
display("Done1 " + Date.now());
}).then(function() {
display("Done2 " + Date.now());
});
function display(msg) {
var p = docume...
How much overhead does SSL impose?
... is different. Depending on the implementation (e.g. support for TLS false start), it will add round-trips, which can cause noticable delays. Additionally, expensive crypto takes place on the first connection establishment (above-mentioned CPU could only accept 14 connections per core per second if ...
Why does this Java program terminate despite that apparently it shouldn't (and didn't)?
...rrentPos == null);
while (true)
f(currentPos);
}
}.start();
Object sem = new Object();
while (true) {
synchronized(sem) {
currentPos = new Point(currentPos.x+1, currentPos.y+1);
}
}
s...
What is the difference between Sublime text and Github's Atom [closed]
...umbersome for CPU intensive tasks as described above, and is still slow in startup. Apart from performance improvements, Atom feels significantly more stable across the board.
Development of Sublime has picked up again since Jan 2015, with bugfixes, some minor new features (tooltip API, build syste...
Importing CommonCrypto in a Swift framework
... let resultEnumerator = UnsafeBufferPointer<CUnsignedChar>(start: resultBytes, length: result.length)
let MD5 = NSMutableString()
for c in resultEnumerator {
MD5.appendFormat("%02x", c)
}
return MD5
}
ret...
What exactly is Arel in Rails 3.0?
...
Actually I have started a video series on ActiveRelation.
The first general tutorial can be viewed at http://Innovative-Studios.com/#pilot
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