大约有 40,000 项符合查询结果（耗时：0.0493秒） [XML]
contenteditable change events
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I'd suggest attaching listeners to key events fired by the editable element, though you need to be aware that keydown and keypress events are fired before the content itself is changed. This won't cover every possible means of changing the content: the user can also use cut, c...
Looping over arrays, printing both index and value
...baz
Explained
printf "%s\n" "${!foo[@]}" will print all keys separated by a newline,
printf "%s\n" "${foo[@]}" will print all values separated by a newline,
paste <(cmd1) <(cmd2) will merge output of cmd1 and cmd2 line by line.
Tunning
This could be tunned by -d switch:
paste -d : <...
[] and {} vs list() and dict(), which is better?
...ount of time to execute a specified number of iterations, which is 1000000 by default. So the examples above are the number of seconds to run the code snippet a million times. For example timeit('dict()', number=1) // -> 4.0531158447265625e-06 (one iteration) while timeit('dict()') // -> 0.124...
Why is there no Convert.toFloat() method?
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"Single" is the name for a float in the BCL. "float" is an alias provided by C#. There's a Convert.ToSingle() method, just like there's
Convert.ToInt32() instead of Convert.ToInt().
See this thread Convert class
(BTW - I didn't know this either, so I learned something new today :) )
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MySql server startup error 'The server quit without updating PID file '
...f /usr/local/var/mysql/
ls -laF /usr/local/var/mysql/
if it is owner by root you should change it mysql or your_user
sudo chown -R mysql /usr/local/var/mysql/
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C++ compile error: has initializer but incomplete type
...about what file to include unless he knows the standard library file names by heart, which is a ridiculous expectation. I hope someone reports it as a bug.
– j riv
Jul 9 '18 at 11:07
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Twitter oAuth callbackUrl - localhost development
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@JackTuck The callback is called by the user's browser, not by Twitter's servers.
– fluffy
Aug 19 '19 at 7:21
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What's a 3D doing in this HTML?
I'm trying to duplicate a mailer I got into my gmail by taking a look at its code. I see a lot of this in multiple source viewers:
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How do I specify different layouts for portrait and landscape orientations?
... qualifiers select the orientation :
But still you can do it manually by say, adding the sub-folder "layout-land" to
"Your-Project-Directory\app\src\main\res"
since then any layout.xml file under this sub-folder will only work for landscape mode automatically.
Use "layout-port" for portrai...
How to use `subprocess` command with pipes
..._name')' returned non-zero exit status 1 just means that nothing was found by grep, so it's normal behaviour.
– Serge
Jan 27 '15 at 12:17
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