大约有 4,527 项符合查询结果（耗时：0.0136秒） [XML]
HTML for the Pause symbol in audio and video control
...
I used this: ????.
– JoshuaD
May 3 '17 at 3:14
▮ is the real pause symbol in ...
Objective-C: Where to remove observer for NSNotification?
...dd a call [notificationCenter removeObserver: self] in method dealloc of those classes, which you intend to use as observers, as it is the last chance to unregister an observer cleanly. This will, however, only protect you against crashes due to the notification center notifying dead objects. It can...
Using sed and grep/egrep to search and replace
... reproduce this behaviour. what version of sed were you using and on which OS are you?
– David Schmitt
Nov 20 '11 at 19:46
1
...
Real differences between “java -server” and “java -client”?
...ed for executing long-running server applications, which need the fastest possible operating speed more than a fast start-up time or smaller runtime memory footprint.
The Client VM compiler serves as an upgrade for both the Classic VM and the just-in-time (JIT) compilers used by previous versions of...
Generating CSV file for Excel, how to have a newline inside a value
...ted Jan 24 '15 at 16:43
Marcel Gosselin
4,26822 gold badges2424 silver badges4949 bronze badges
answered Aug 9 '09 at 13:26
...
How to get a reference to a module inside the module itself?
...string; thus a inspect.getabsfile(func.__module__) fails with "TypeError: 'os' is not a module, class, method, function, traceback, frame, or code object"; while inspect.getabsfile(sys.modules[o.__module__]) seems to pass.
– sdaau
Apr 9 '13 at 10:27
...
svn : how to create a branch from certain revision of trunk
...tart of the date
'HEAD' latest in repository
'BASE' base rev of item's working copy
'COMMITTED' last commit at or before BASE
'PREV' revision just before...
Comparing two byte arrays in .NET
...note the creator of the unsafe answer notes a difference of 7x slow, as opposed to 50x slower (the unsafe method's speed also depends on the alignment of data). In the rare cases where these numbers matter, P/Invoke is even faster.
– Selali Adobor
Sep 17 '14 at...
How do I return multiple values from a function? [closed]
...
Named tuples were added in 2.6 for this purpose. Also see os.stat for a similar builtin example.
>>> import collections
>>> Point = collections.namedtuple('Point', ['x', 'y'])
>>> p = Point(1, y=2)
>>> p.x, p.y
1 2
>>> p[0...
How to print the ld(linker) search path
...
You can do this by executing the following command:
ld --verbose | grep SEARCH_DIR | tr -s ' ;' \\012
gcc passes a few extra -L paths to the linker, which you can list with the following command:
gcc -print-search-dirs | sed '/^lib/b 1;d;:1;s,/[^/.][^/]*/\.\./,/,;t 1;s,:[^=]*=,:;,;s...