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How to add column if not exists on PostgreSQL?
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answered Sep 26 '12 at 18:59
Matthew WoodMatthew Wood
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How/When does Execute Shell mark a build as failure in Jenkins?
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answered Apr 2 '14 at 15:23
SlavSlav
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CSS3's border-radius property and border-collapse:collapse don't mix. How can I use border-radius to
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edited Oct 15 '19 at 1:57
community wiki
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Simplest/Cleanest way to implement singleton in JavaScript?
...t the modification of the singleton object, you can freeze it, using the ES5 Object.freeze method.
That will make the object immutable, preventing any modification to the its structure and values.
Additionally I would like to mention that if you are using ES6, you can represent a singleton using E...
Python, Unicode, and the Windows console
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answered Aug 7 '08 at 22:32
Lasse V. KarlsenLasse V. Karlsen
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What's the correct way to communicate between controllers in AngularJS?
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Edit: The issue addressed in this answer have been resolved in angular.js version 1.2.7. $broad...
How to check if an app is installed from a web-page on an iPhone?
...out(function () { window.location = "https://itunes.apple.com/appdir"; }, 25);
window.location = "appname://";
If the second line of code gives a result then the first row is never executed.
Hope this helps!
Similar question:
iPhone browser: Checking if iPhone app is installed from browser
Is ...
Expansion of variables inside single quotes in a command in Bash
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Inside single quotes everything is preserved literally, without exception.
That means you have...
Why is the clone() method protected in java.lang.Object?
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oxbow_lakesoxbow_lakes
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Should I index a bit field in SQL Server?
...g it would reduce your working set a lot. For a large number of rows with 50/50 distribution, it might buy you very little performance gain vs. keeping the index up to date.
The reason everyone says to test is because SQL contains a very clever and complex optimizer that may ignore an index if it ...