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How to reset AUTO_INCREMENT in MySQL?
...ue is less than the current maximum value in the
column, no error occurs and the current sequence value is not changed.
See How to Reset an MySQL AutoIncrement using a MAX value from another table? on how to dynamically get an acceptable value.
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How can I temporarily disable a foreign key constraint in MySQL?
... answered Mar 19 '13 at 14:07
Andrew CampbellAndrew Campbell
15.4k22 gold badges1111 silver badges2121 bronze badges
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Count how many records are in a CSV Python?
...e number of LINES in the csv file. But some CSV files will contain quoted strings which themselves contain newline characters. MS CSV files usually delimit records with \r\n, but use \n alone within quoted strings.
For a file like this, counting lines of text (as delimited by newline) in the file...
How do I set the figure title and axes labels font size in Matplotlib?
...et_xlabel('some xlabel', fontsize=12)? It seems like rcParams only accepts strings.
– timgeb
Jan 20 '19 at 15:57
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Select all 'tr' except the first one
...obody mentioned the use of sibling combinators, which are supported by IE7 and later:
tr + tr /* CSS2, adjacent sibling */
tr ~ tr /* CSS3, general sibling */
They both function in exactly the same way (in the context of HTML tables anyway) as:
tr:not(:first-child)
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Why is Maven downloading the maven-metadata.xml every time?
...use that, Maven runs in "offline" mode. It knows it has a local repo only, and it won't contact the remote repo to refresh the artifacts no matter what update policies you use.
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ALTER TABLE to add a composite primary key
...rson , place , thing . There can be duplicate persons, duplicate places, and duplicate things, but there can never be a dupicate person-place-thing combination.
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How can I force clients to refresh JavaScript files?
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I always knew the query strings are key-value pair as in ?ver=123. Thanks! :)
– Ankur-m
Feb 15 '12 at 11:41
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How to remove the querystring and get only the url?
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You can use strtok to get string before first occurence of ?
$url = strtok($_SERVER["REQUEST_URI"], '?');
strtok() represents the most concise technique to directly extract the substring before the ? in the querystring. explode() is less direct be...
What does mysql error 1025 (HY000): Error on rename of './foo' (errorno: 150) mean?
...se the InnoDB engine. In that case you would have to drop the foreign key, and then do the alter table and drop the column.
But the tricky part is that you can't drop the foreign key using the column name, but instead you would have to find the name used to index it. To find that, issue the followi...