大约有 10,000 项符合查询结果（耗时：0.0255秒） [XML]
Singleton: How should it be used
...ee cargo cult programmer in wikipedia)
In user interface widgets
It is supposed to be a cache
In strings
In Sessions
I can go all day long
How to create the best singleton:
The smaller, the better. I am a minimalist
Make sure it is thread safe
Make sure it is never null
Make sure it is created onl...
stop all instances of node.js server
... /f (force) parameter to the command.
Linux machine:
The process is almost identical. You could either kill all Node processes running on the machine (use -$SIGNAL if SIGKILL is insufficient):
killall node
Or also using netstat, you can find the PID of a process listening on a port:
$ netsta...
No module named pkg_resources
...
July 2018 Update
Most people should now use pip install setuptools (possibly with sudo).
Some may need to (re)install the python-setuptools package via their package manager (apt-get install, yum install, etc.).
This issue can be highly depe...
How to recursively find the latest modified file in a directory?
...ntf is probably GNU-only, ajreals usage of stat -c is too. Although it is possible to do the same on BSD, the options for formatting is different (-f "%m %N" it would seem)
And I missed the part of plural; if you want more then the latest file, just bump up the tail argument.
...
How to list all installed packages and their versions in Python?
... :
In [1]: import #import press-TAB
Display all 631 possibilities? (y or n)
ANSI audiodev markupbase
AptUrl audioop markupsafe
ArgImagePlugin avahi marshal
BaseHTTPServer axi ...
rmagick gem install “Can't find Magick-config”
...ll with:
$ sudo apt-get install libmagickwand-dev imagemagick
or on centOs:
$ yum install ImageMagick-devel
On Mac OS, you can use Homebrew:
$ brew install imagemagick
share
|
improve this a...
How do I check if a string contains another string in Objective-C?
..., 0} if the "haystack" does not contain the "needle".
And if you're on iOS 8 or OS X Yosemite, you can now do: (*NOTE: This WILL crash your app if this code is called on an iOS7 device).
NSString *string = @"hello bla blah";
if ([string containsString:@"bla"]) {
NSLog(@"string contains bla!");...
A Windows equivalent of the Unix tail command [closed]
...
I'd suggest installing something like GNU Utilities for Win32. It has most favourites, including tail.
share
|
improve this answer
|
follow
|
...
Wait for a process to finish
...ed Jan 12 '17 at 12:41
Rauno PalosaariRauno Palosaari
1,51911 gold badge88 silver badges55 bronze badges
...
Unable to execute dex: GC overhead limit exceeded in Eclipse
When I downloaded the Git project OsmAnd and went to compile it,
Eclipse returned these errors:
9 Answers
...