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Where are environment variables stored in registry?
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User path variables (My Documents, AppData, etc) are stored at HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders
– mythofechelon
Jul 31 '13 at 20:21
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What does `kill -0 $pid` in a shell script do?
...istence of a process.
Do various error checking on the process (PID, PGID, etc ...).
It will not send any output to stdout upon success.
Send an error message to stderr if something is not right.
Give you a false positive if the process is defunct (i.e. Zombie).
More explicitly, a useful function ...
Queue.Queue vs. collections.deque
...ation.
In fact the heavy usage of an extra mutex and extra method ._get() etc. method calls in Queue.py is due to backwards compatibility constraints, past over-design and lack of care for providing an efficient solution for this important speed bottleneck issue in inter-thread communication. A lis...
How do I pass the this context to a function?
...call:
var f = function () { console.log(this); }
f.call(that, arg1, arg2, etc);
Where that is the object which you want this in the function to be.
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Convert int to ASCII and back in Python
...Like for example flickr does.
# note the missing lowercase L and the zero etc.
BASE58 = '123456789abcdefghijkmnopqrstuvwxyzABCDEFGHJKLMNPQRSTUVWXYZ'
url = ''
while node_id >= 58:
div, mod = divmod(node_id, 58)
url = BASE58[mod] + url
node_id = int(div)
return 'http://short.com/%s' ...
How do I stop a web page from scrolling to the top when a link is clicked that triggers JavaScript?
...be like Stack Overflow does for the post toolbar (bold, italic, hyperlink, etc) then it probably doesn't matter.
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Spring AOP vs AspectJ
...ed for application specific tasks such as security, logging, transactions, etc. as it uses custom Java5 annotations as a framework. However, AspectJ seems to be more friendly design-patterns wise.
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Passing command line arguments to R CMD BATCH
... all arguments, including those which aren't mine, like --restore, --save, etc. If I use commandArgs(TRUE) I get no arguments at all. Is there a way to get just my own additional arguments? --args looks promising, but I haven't been able to get it to work...
– Bryce Thomas
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What does an Asterisk (*) do in a CSS selector?
... descendant elements inside a p tag. So if you had a span, b, strong, img, etc. inside your paragraph, it would select those and apply the styles to them.
– Soviut
Nov 20 '13 at 20:45
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Check if value is in select list with JQuery
... but I included them so that others could see you can search multi values, etc.
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