大约有 40,000 项符合查询结果(耗时:0.0376秒) [XML]
Loop through an array of strings in Bash?
...t contains a tab it'll be changed to a space, etc.
– Charles Duffy
Jul 9 '16 at 15:02
10
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How to Get True Size of MySQL Database?
... would like to know how much space does my MySQL database use, in order to select a web host.
I found the command SHOW TABLE STATUS LIKE 'table_name' so when I do the query, I get something like this:
...
Is there a command to refresh environment variables from the command prompt in Windows?
... Path_HKCU >> "%TEMP%\_env.cmd"
:: Caution: do not insert space-chars before >> redirection sign
echo/set Path=%%Path_HKLM%%;%%Path_HKCU%% >> "%TEMP%\_env.cmd"
:: Cleanup
del /f /q "%TEMP%\_envset.tmp" 2>nul
del /f /q "%TEMP%\_envget.tmp" 2>nul
:: S...
How does a “stack overflow” occur and how do you prevent it?
...w (in C/C++, at least) is to declare some enormous variable on the stack.
char hugeArray[100000000];
That'll do it.
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Select records from NOW() -1 Day
... by >= NOW() -1 so all records from the day before today to the future are selected?
6 Answers
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Current executing procedure name
...
You may try this:
SELECT OBJECT_NAME(@@PROCID)
Update: This command is still valid on SQL Server 2016.
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Set keyboard caret position in html textbox
...tRange();
range.move('character', caretPos);
range.select();
}
else {
if(elem.selectionStart) {
elem.focus();
elem.setSelectionRange(caretPos, caretPos);
}
else
elem.focus();
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MySQL Query - Records between Today and Last 30 Days
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You need to apply DATE_FORMAT in the SELECT clause, not the WHERE clause:
SELECT DATE_FORMAT(create_date, '%m/%d/%Y')
FROM mytable
WHERE create_date BETWEEN CURDATE() - INTERVAL 30 DAY AND CURDATE()
Also note that CURDATE() returns only the DATE portion...
Get index of selected option with jQuery
I'm a little bit confused about how to get an index of a selected option from a HTML <select> item.
7 Answers
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JPA and Hibernate - Criteria vs. JPQL or HQL
...oaded. This means one Criteria query might result in several SQL immediate SELECT statements to fetch the subgraph with all non-lazy mapped associations and collections. If you want to change the "how" and even the "what", use setFetchMode() to enable or disable outer join fetching for a particular ...
