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Generating random integer from a range
... distributed numbers regardless the quality of rand(). For a comprehensive test of the quality of this method, please read this.
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Bash: infinite sleep (infinite blocking)
...ndow manager using /usr/bin/mywm . Now, if I kill my WM (in order to f.e. test some other WM), X will terminate too because the .xinitrc script reached EOF.
So I added this at the end of my .xinitrc :
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Difference between document.addEventListener and window.addEventListener?
...ous about the "bubbling up to the document but not the window" thing. So I tested it here -> jsfiddle.net/k3qv9/1 Am I missing something or does the bubbling actually occur?
– banzomaikaka
Aug 20 '12 at 21:43
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How to run a python script from IDLE interactive shell?
...all(['python', 'helloworld.py', 'arg'])
Read the docs for details :-)
Tested with this basic helloworld.py:
import sys
if len(sys.argv) > 1:
print(sys.argv[1])
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scp (secure copy) to ec2 instance without password
...om a local server to a remote server
sudo scp -i my-pem-file.pem ./source/test.txt ec2-user@1.2.3.4:~/destination/
copy a file from a remote server to a local machine
sudo scp -i my-pem-file.pem ec2-user@1.2.3.4:~/source/of/remote/test.txt ./where/to/put
So the basically syntax is:-
scp -i my...
win7 安装项目管理工具redmine2.5.1 - 开源 & Github - 清泛网 - 专注C/C++及内核技术
...，在redmine目录下执行：
bundle install --without development test
这里可能会出现几个错误：
解决办法，将mysql-connector-c-6.1.3-win32.zip解压到C盘，并将lib中libmysql.dll拷贝到C:\RailsInstaller\Ruby1.9.3\bin。替换原有的libmysql.dll。
执行...
Constructor overload in TypeScript
..., NaN:
var myDesiredValue = 0;
var result = myDesiredValue || 2;
// This test will correctly report a problem with this setup.
console.assert(myDesiredValue === result && result === 0, 'Result should equal myDesiredValue. ' + myDesiredValue + ' does not equal ' + result);
Object.assign(t...
Bare asterisk in function arguments?
...t below, there are two examples, one with *args and one with **kwargs
def test_args_kwargs(arg1, arg2, arg3):
print "arg1:", arg1
print "arg2:", arg2
print "arg3:", arg3
# first with *args
>>> args = ("two", 3,5)
>>> test_args_kwargs(*args)
arg1: two
arg2: 3
arg3: 5
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What does the question mark operator mean in Ruby?
... a ternary operator, converting a character to its ASCII integer, usage in test, in RegEx'es, etc.) many of which are covered in the other answers here.
– Karl Wilbur
Sep 11 '15 at 20:36
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Replace all spaces in a string with '+' [duplicate]
...ion is slower on large replacement compared to the reg expression version. Test with the 3 solutions posted: jsbin.com/isadi3/2 Firefox has minimal timing difference, IE has a noticeable difference. So if speed matters and you have a large set of replacements, reg exp is the way to go.
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