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Why does a RegExp with global flag give wrong results?

...e lastIndex where a match occurred, so on subsequent matches it will start from the last used index, instead of 0. Take a look: var query = 'Foo B'; var re = new RegExp(query, 'gi'); var result = []; result.push(re.test('Foo Bar')); alert(re.lastIndex); result.push(re.test('Foo Bar')); I...
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Fast way of finding lines in one file that are not in another?

...y line content ss1[]. Then as file2 is read, each matching line is deleted from ll1[] and ss1[]. At the end the remaining lines from file1 are output, preserving the original order. In this case, with the problem as stated, you can also divide and conquer using GNU split (filtering is a GNU extensi...
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What is the difference between typeof and instanceof and when should one be used vs. the other?

..."function" object and instanceof will fail if you try to compare an object from another (i)frame/window. typeof will work in all cases since it returns the string "function". – some May 23 '09 at 16:56 ...
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Number of days between two dates in Joda-Time

... Sir, with reference to this post the method toDateMidnight() from the type DateTime is deprecated. – Aniket Kulkarni Oct 8 '13 at 5:33 2 ...
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Why is my program slow when looping over exactly 8192 elements?

Here is the extract from the program in question. The matrix img[][] has the size SIZE×SIZE, and is initialized at: 2 An...
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phpinfo() - is there an easy way for seeing it?

... From your command line you can run.. php -i I know it's not the browser window, but you can't see the phpinfo(); contents without making the function call. Obviously, the best approach would be to have a phpinfo script in ...
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What is the { get; set; } syntax in C#?

... Klaus, can you explain what will happen with this code? It could benefit from a more thorough explanation. – TylerH Nov 17 '14 at 18:53 3 ...
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Infinite scrolling with React JS

...zed/#/components/CellMeasurer. Update November 2018 A lot of the lessons from react-virtualized have been ported to the smaller, faster, more efficient react-window library from the same author. share | ...
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Add floating point value to android resources/values

... space between lines to my TextViews using android:lineSpacingMultiplier from the documentation : 10 Answers ...
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Using Spring MVC Test to unit test multipart POST request

...ipartResolver; } } The test should pass and give you output of 4 // from param someValue // from json file filename.txt // from first file other-file-name.data // from second file The thing to note is that you are sending the JSON just like any other multipart file, except with a different ...