大约有 49,000 项符合查询结果(耗时:0.0971秒) [XML]
How to force composer to reinstall a library?
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48
You can use the --prefer-source flag for composer to checkout external packages with the VCS in...
How to capture UIView to UIImage without loss of quality on retina display
...tor of 1.0, so you're actually getting exactly the same image on an iPhone 4 as on the other iPhones. I'll bet either the iPhone 4 is applying a filter when you implicitly scale it up or just your brain is picking up on it being less sharp than everything around it.
So, I guess:
#import <Quartz...
Checking network connection
...2
def internet_on():
try:
urllib2.urlopen('http://216.58.192.142', timeout=1)
return True
except urllib2.URLError as err:
return False
Currently, 216.58.192.142 is one of the IP addresses for google.com. Change http://216.58.192.142 to whatever site can be expecte...
Minimal web server using netcat
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54
Try this:
while true ; do nc -l -p 1500 -c 'echo -e "HTTP/1.1 200 OK\n\n $(date)"'; done
The ...
Execute command without keeping it in history [closed]
... |
edited Jun 13 '14 at 13:26
fasseg
16.2k88 gold badges5757 silver badges7272 bronze badges
answ...
How can I convert a long to int in Java?
...nt i = (int) l;
Note, however, that large numbers (usually larger than 2147483647 and smaller than -2147483648) will lose some of the bits and would be represented incorrectly.
For instance, 2147483648 would be represented as -2147483648.
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How to debug Ruby scripts [closed]
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147
Use Pry (GitHub).
Install via:
$ gem install pry
$ pry
Then add:
require 'pry'; binding.pr...
Rails: Missing host to link to! Please provide :host parameter or set default_url_options[:host]
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p.matsinopoulos
7,25266 gold badges4040 silver badges8181 bronze badges
answered Oct 31 '12 at 22:43
Carlos CastilloCarlos Castillo
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How to fix java.lang.UnsupportedClassVersionError: Unsupported major.minor version
... class file is compatible with.
The reported major numbers are:
Java SE 14 = 58,
Java SE 13 = 57,
Java SE 12 = 56,
Java SE 11 = 55,
Java SE 10 = 54,
Java SE 9 = 53,
Java SE 8 = 52,
Java SE 7 = 51,
Java SE 6.0 = 50,
Java SE 5.0 = 49,
JDK 1.4 = 48,
JDK 1.3 = 47,
JDK 1.2 = 46,
JDK 1.1 = 45
(Source:...
