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Get PostGIS version

How can I find out which version of PostGIS I have? 5 Answers 5 ...
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Warning: Null value is eliminated by an aggregate or other SET operation in Aqua Data Studio

... I so searched and tried without success but using NULLIF conjunction with ISNULL saved me, You can try combination of these two for example: ISNULL(NULLIF([fieldValue], 0), 1) – QMaster Feb 20 '17 at 17:22 ...
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Play sound on button click android

...ariable one that we are initializing. Explaining more of how this works is out of scope for this answer. This gives a brief insight on how it works. final MediaPlayer mp = MediaPlayer.create(this, R.raw.soho); This is how to initialize a MediaPlayer. The MediaPlayer follows the Static Factory Met...
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presentViewController:animated:YES view will not appear until user taps again

... Check this out: https://devforums.apple.com/thread/201431 If you don't want to read it all - the solution for some people (including me) was to make the presentViewController call explicitly on the main thread: Swift 4.2: DispatchQueu...
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Get generic type of class at runtime

...ackward compatibility was a tour-de-force (you can see the seminal paper about it: Making the future safe for the past: adding genericity to the Java programming language). There is a rich literature on the subject, and some people are dissatisfied with the current state, some says that actually it...
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Python time measure function

... will be timed. Conclusion Using the first method, you can eaily comment out the decorator to get the normal code. However, it can only time a function. If you have some part of code that you don't what to make it a function, then you can choose the second method. For example, now you have image...
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How do I access the host machine itself from the iPhone simulator

... How can you find out what port is used? – Doidgey Oct 29 '13 at 15:42 3 ...
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Best way to create custom config options for my Rails app?

... Not sure about previous versions but in Rails 4.1 you can do Rails.application.config.whatever_you_want = YAML.load_file(Rails.root.join('config', 'config.yml'))[Rails.env] – d4rky Oct 13 '14 at 8:...
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What are the differences in die() and exit() in PHP?

...ust bails off the program with a numeric exit status, while die() prints out the error message to stderr and exits with EXIT_FAILURE status." But then I remembered we're in messy-syntax-land of PHP. In PHP, exit() and die() are identical. The designers obviously thought "Hmm, let's b...
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In mocha testing while calling asynchronous function how to avoid the timeout Error: timeout of 2000

...de. While calling many asynchronous functions using mocha, I'm getting timeout error ( Error: timeout of 2000ms exceeded. ). How can I resolve this? ...