大约有 47,000 项符合查询结果（耗时：0.0449秒） [XML]
Explicitly select items from a list or tuple
...lution.I don't think it's a bad idea to invoke magic variable. programmer selects their preferred way based on programming circumstances.
– Jacob CUI
Mar 25 '15 at 22:57
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Get a list of checked checkboxes in a div using jQuery
I want to get a list of names of checkboxes that are selected in a div with certain id. How would I do that using jQuery?
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How to find the last field using 'cut'
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Using this solution, the number of fields can indeed be unknown and vary from time to time. However as line length must not exceed LINE_MAX characters or fields, including the new-line character, then an arbitrary number of fields can never be part as a real condition of this solution.
Yes, a ver...
MySQL query String contains
...
Quite simple actually:
mysql_query("
SELECT *
FROM `table`
WHERE `column` LIKE '%{$needle}%'
");
The % is a wildcard for any characters set (none, one or many). Do note that this can get slow on very large datasets so if your database grows you'll need to use ...
puts vs logger in rails rake tasks
...s similar to tail -f but does not access the file when it is not growing" (from manpage). It is shorter too
– MBO
Feb 11 '10 at 17:18
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Count the occurrences of DISTINCT values
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SELECT name,COUNT(*) as count
FROM tablename
GROUP BY name
ORDER BY count DESC;
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How can I group by date time column without taking time into consideration
...S DATE)' . don't forget to add the same( CAST(date_modified AS DATE) ) in select cluase.
– Mohammed mansoor
Apr 12 '16 at 6:57
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Logcat not displaying my log calls
...DDMS perspective, make sure the correct device (propably emulator-xxxx) is selected and highlighted. Only then will you get the logcat output in the logcat view.
Also, the Android plugin is a bit quircky, and sometimes only shows the last line in the logcat view. If this happens, try to clear the l...
pod install -bash: pod: command not found
... a message that says
"Pod installation complete! There are X dependencies from the Podfile and X total pods installed."
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Programmatically scroll to a specific position in an Android ListView
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For a direct scroll:
getListView().setSelection(21);
For a smooth scroll:
getListView().smoothScrollToPosition(21);
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