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Which parallel sorting algorithm has the best average case performance?
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206
+50
The foll...
How to do SELECT COUNT(*) GROUP BY and ORDER BY in Django?
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answered Sep 30 '13 at 19:44
AlvaroAlvaro
9,54377 gold badges3333 silver badges5353 bronze badges
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How do I use shell variables in an awk script?
...}' var="${variable}" file
Adding multiple variables:
awk '{print a,b,$0}' a="$var1" b="$var2" file
In this way we can also set different Field Separator FS for each file.
awk 'some code' FS=',' file1.txt FS=';' file2.ext
Variable after the code block will not work for the BEGIN block:
e...
CSS 100% height with padding/margin
...TML/CSS, how can I make an element that has a width and/or height that is 100% of it's parent element and still has proper padding or margins?
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How to use phpexcel to read data and insert into database?
...age());
}
// Get worksheet dimensions
$sheet = $objPHPExcel->getSheet(0);
$highestRow = $sheet->getHighestRow();
$highestColumn = $sheet->getHighestColumn();
// Loop through each row of the worksheet in turn
for ($row = 1; $row <= $highestRow; $row++){
// Read a row of data i...
Insert/Update Many to Many Entity Framework . How do I do it?
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edited May 23 '17 at 12:10
Community♦
111 silver badge
answered Nov 23 '10 at 10:30
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Rank function in MySQL
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270
One option is to use a ranking variable, such as the following:
SELECT first_name,
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Bash function to find newest file matching pattern
... @lesmana.
– Eponymous
Jun 5 '14 at 0:07
1
@Eponymous: If you're looking for a one liner without ...
MySQL error code: 1175 during UPDATE in MySQL Workbench
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1690
It looks like your MySql session has the safe-updates option set. This means that you can't upda...
Does the join order matter in SQL?
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ypercubeᵀᴹypercubeᵀᴹ
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