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git diff file against its last change
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edited Jan 23 '18 at 20:54
answered Mar 14 '14 at 17:47
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Linux find file names with given string
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edited Nov 14 '13 at 7:09
answered Oct 29 '12 at 23:19
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Adding Http Headers to HttpClient
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edited Nov 7 '19 at 10:17
Massimiliano Kraus
3,06344 gold badges1919 silver badges3636 bronze badges
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Generating a random password in php
... $alphabet = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890';
$pass = array(); //remember to declare $pass as an array
$alphaLength = strlen($alphabet) - 1; //put the length -1 in cache
for ($i = 0; $i < 8; $i++) {
$n = rand(0, $alphaLength);
$pass[] =...
Merge cells using EPPlus?
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answered May 30 '11 at 5:49
Carles CompanyCarles Company
6,40855 gold badges4747 silver badges7171 bronze badges
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Why does find -exec mv {} ./target/ + not work?
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From the manual page:
-exec command ;
Execute command; true if 0 status is returned. All following arguments to find are taken to be arguments to the command until an argument consisting of `;' is encountered. The string `{}' is replaced by the current file name being processed ever...
Get list of passed arguments in Windows batch script (.bat)
...rs (excluding the script name itself). You might also find these useful:
%0 - the command used to call the batch file (could be foo, ..\foo, c:\bats\foo.bat, etc.)
%1 is the first command line parameter,
%2 is the second command line parameter,
and so on till %9 (and SHIFT can be used for those aft...
Postgresql aggregate array
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Use array_agg: http://www.sqlfiddle.com/#!1/5099e/1
SELECT s.name, array_agg(g.Mark) as marks
FROM student s
LEFT JOIN Grade g ON g.Student_id = s.Id
GROUP BY s.Id
By the way, if you are using Postgres 9.1, you don't need to repeat the columns on SELECT to G...
What is the purpose of static keyword in array parameter of function like “char s[static 10]”?
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The first declaration tells the compiler that someArray is at least 100 elements long. This can be used for optimizations. For example, it also means that someArray is never NULL.
Note that the C Standard does not require the compiler to diagnose when a call to the function does not meet thes...
Java String split removed empty values
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split(delimiter) by default removes trailing empty strings from result array. To turn this mech...