大约有 21,000 项符合查询结果（耗时：0.0334秒） [XML]
setTimeout or setInterval?
...ipt running - the interval will have to wait for that to finish.
In this Fiddle, you can clearly see that the timeout will fall behind, while the interval is almost all the time at almost 1 call/second (which the script is trying to do). If you change the speed variable at the top to something smal...
How to find out what group a given user has?
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This one shows the user's uid as well as all the groups (with their gids) they belong to
id userid
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How do I see active SQL Server connections?
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You can use the sp_who stored procedure.
Provides information about current users, sessions, and processes in an instance of the Microsoft SQL Server Database Engine. The information can be filtered to return only those processes that are not idle, that belong to a spec...
How do you use the ellipsis slicing syntax in Python?
This came up in Hidden features of Python , but I can't see good documentation or examples that explain how the feature works.
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Change Circle color of radio button
...int color: (only works on api level 21 or above)
<RadioButton
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/radio"
android:checked="true"
android:buttonTint="@color/your_color"/>
in your values/colors.xml put your color in this...
Android 4.3 menu item showAsAction=“always” ignored
I'm using the new v7 appcompat library available starting from Android 4.3 (API level 18).
12 Answers
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ORA-00054: resource busy and acquire with NOWAIT specified or timeout expired
...It maybe help someone out there. But this is only if you work with Toad inside the tables, and not for querys.
– DatRid
Oct 4 '13 at 9:23
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How do I diff the same file between two different commits on the same branch?
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Check $ git log, copy the SHA-1 ID of the two different commits, and run the git diff command with those IDs. for example:
$ git diff (sha-id-one) (sha-id-two)
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How to get the class of the clicked element?
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"class" is not a valid variable name.
– Fred Bergman
Oct 20 '09 at 9:17
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How to align checkboxes and their labels consistently cross-browsers
...kbox inputs need to align vertically with the label text similarly (if not identically) across all browsers.
If the label text wraps, it needs to be indented (so no wrapping down underneath the checkbox).
Before I get into any explanation, I'll just give you the code:
label {
display: block;
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