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Random number generator only generating one random number
...ap when they aren't contested... and even if contested I would expect the "now do something with the number" code to dwarf the cost of the lock in most interesting scenarios.
– Marc Gravell♦
Sep 18 '09 at 15:57
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Difference between SRC and HREF
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apnerve's answer was correct before HTML 5 came out, now it's a little more complicated.
For example, the script element, according to the HTML 5 specification, has two global attributes which change how the src attribute functions: async and defer. These change how the script...
Access to Modified Closure (2)
...{
// ... code
obj.SomeEvent -= bar;
};
obj.SomeEvent += bar;
This is now self-unsubscribing ;-p
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Best practice: ordering of public/protected/private within the class definition?
..."out of the way" ensures this information is maintained only on a need to know basis, one of the more important aspects of encapsulation.
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How do I get the APK of an installed app without root access?
...not obtain a listing of its contents -- so in order to access it you must know the name of the file that you will be accessing. Android's package manager will tell you the name of the stored apk for a given package.
To do this from the command line, use adb shell pm list packages to get the list of...
How to Rotate a UIImage 90 degrees?
...red Oct 11 '11 at 5:42
Peter SarnowskiPeter Sarnowski
11.6k55 gold badges3333 silver badges3333 bronze badges
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Converting ISO 8601-compliant String to java.util.Date
...eed a Date object.
You could probably use Joda-Time as well, but I don't know why you should bother with that.
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SQLite INSERT - ON DUPLICATE KEY UPDATE (UPSERT)
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Since 3.24.0 SQLite also supports upsert, so now you can simply write the following
INSERT INTO visits (ip, hits)
VALUES ('127.0.0.1', 1)
ON CONFLICT(ip) DO UPDATE SET hits = hits + 1;
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round() for float in C++
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This is the right answer now!.
– Roddy
Sep 3 at 10:18
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API Versioning for Rails Routes
... this route will be prefixed with api. Requests such as /api/v2/users, ya know?
Inside the namespace, we define two more namespaces (woah!). This time we're defining the "v1" namespace, so all routes for the controllers here will be inside the V1 module inside the Api module: Api::V1. By defining r...