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add maven repository to build.gradle
...dscript configuration block only sets up the repositories and dependencies for the classpath of your build script but not your application.
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Zero-pad digits in string
...n a string. The following code does that:
$s = sprintf('%02d', $digit);
For more information, refer to the documentation of sprintf.
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CharSequence VS String in Java?
...s. The result of comparing two objects that implement CharSequence is therefore, in general, undefined. Each object may be implemented by a different class, and there is no guarantee that each class will be capable of testing its instances for equality with those of the other. It is therefore inappr...
Python memory usage of numpy arrays
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You can use array.nbytes for numpy arrays, for example:
>>> import numpy as np
>>> from sys import getsizeof
>>> a = [0] * 1024
>>> b = np.array(a)
>>> getsizeof(a)
8264
>>> b.nbytes
8192
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lock(new object()) — Cargo cult or some crazy “language special case”?
... returned a singleton instance, but he said "hey, doesn't c# have keywords for that"?
– Amiram Korach
Aug 20 '12 at 7:42
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UIDevice uniqueIdentifier deprecated - What to do now?
... 7 and above. No alternative method or property appears to be available or forthcoming.
32 Answers
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Alter table add multiple columns ms sql
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Also check your commas, looks like you're missing several for the second-to-last columns being added
– Philip Kelley
Mar 26 '10 at 13:51
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SQL Server - When to use Clustered vs non-Clustered Index?
...work. I understand how clustered and non-clustered indexes improve read performance. But one thing I am not sure is that what would be the reasons where I would choose one over the other.
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compilation warning: no rule to process file for architecture i386
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Graphical guide for Xcode 4.x to remove this warning:
http://joytek.blogspot.tw/2011/09/xcode-4-warning-no-rule-to-process-file.html
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How to improve performance of ngRepeat over a huge dataset (angular.js)?
...ach, about 2MBs of data. I need to display it in the browser. Most straightforward approach (fetch data, put it into $scope , let ng-repeat="" do its job) works fine, but it freezes the browser for about half of a minute when it starts inserting nodes into DOM. How should I approach this problem?...