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How to write loop in a Makefile?

...by your use of ./a.out, you're on a UNIX-type platform. for number in 1 2 3 4 ; do \ ./a.out $$number ; \ done Test as follows: target: for number in 1 2 3 4 ; do \ echo $$number ; \ done produces: 1 2 3 4 For bigger ranges, use: target: number=1 ; while [[ $$number...
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count the frequency that a value occurs in a dataframe column

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Delete specific line number(s) from a text file using sed?

... 384 If you want to delete lines 5 through 10 and 12: sed -e '5,10d;12d' file This will print th...
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Why don't Java's +=, -=, *=, /= compound assignment operators require casting?

...e cited from §15.26.2 [...] the following code is correct: short x = 3; x += 4.6; and results in x having the value 7 because it is equivalent to: short x = 3; x = (short)(x + 4.6); In other words, your assumption is correct. ...
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What's the difference between “Layers” and “Tiers”?

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How to remove element from an array in JavaScript?

... 355 For a more flexible solution, use the splice() function. It allows you to remove any item in ...
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How to compare software version number using js? (only number)

... 138 The basic idea to make this comparison would be to use Array.split to get arrays of parts from ...
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Python data structure sort list alphabetically

...ut[12]: ['constitute', 'Whim', 'Stem', 'Sedge', 'Intrigue', 'Eflux'] In [13]: sorted(lst, key=str.lower, reverse=True) Out[13]: ['Whim', 'Stem', 'Sedge', 'Intrigue', 'Eflux', 'constitute'] Please note: If you work with Python 3, then str is the correct data type for every string that contains hum...
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How to remove extension from string (only real extension!)

... Try this one: $withoutExt = preg_replace('/\\.[^.\\s]{3,4}$/', '', $filename); So, this matches a dot followed by three or four characters which are not a dot or a space. The "3 or 4" rule should probably be relaxed, since there are plenty of file extensions which are shorter ...
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Is there a case insensitive jQuery :contains selector?

...expr[':'], { Contains : "jQuery(a).text().toUpperCase().indexOf(m[3].toUpperCase())>=0" }); This will extend jquery to have a :Contains selector that is case insensitive, the :contains selector remains unchanged. Edit: For jQuery 1.3 (thanks @user95227) and later you need jQuery.exp...