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Appropriate hashbang for Node.js scripts
...tching back and forth between OS X and Ubuntu. In the former, Node is installed as node , but in the latter it is nodejs . At the top of my script, I can have:
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How to get element by classname or id
...ilable, angular.element delegates to Angular's built-in subset of jQuery, called "jQuery lite" or "jqLite.""
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Multiple Inheritance in C#
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@MrHappy: Very interesting article. I've actually investigated some way of Trait Composition for C#, take a look.
– Jordão
Mar 3 '12 at 3:32
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How to send only one UDP packet with netcat?
...ght as well write
echo -n "hello" >/dev/udp/localhost/8000
and avoid all the idiosyncrasies and incompatibilities of netcat.
This also works sending to other hosts, ex:
echo -n "hello" >/dev/udp/remotehost/8000
These are not "real" devices on the file system, but bash "special" aliases....
Python Remove last 3 characters of a string
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Removing any and all whitespace:
foo = ''.join(foo.split())
Removing last three characters:
foo = foo[:-3]
Converting to capital letters:
foo = foo.upper()
All of that code in one line:
foo = ''.join(foo.split())[:-3].upper()
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How can I add numbers in a Bash script?
...ntax
Using the external expr utility. Note that this is only needed for really old systems.
num=`expr $num1 + $num2` # Whitespace for expr is important
For floating point:
Bash doesn't directly support this, but there are a couple of external tools you can use:
num=$(awk "BEGIN {print $...
How to use cURL to send Cookies?
... format used by web browsers. If you need to create a curl cookie file manually, this post should help you. In your example the file should contain following line
127.0.0.1 FALSE / FALSE 0 USER_TOKEN in
having 7 TAB-separated fields meaning domain, tailmatch, path, secure, expires, nam...
How to insert an item into an array at a specific index (JavaScript)?
... but now that I know the answer I don't! Why on earth did they decide to call it splice when a more searchable term was in common use for the same function?!
– tags2k
Feb 25 '09 at 14:46
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How to install and run phpize
I have been meaning to install ffmpeg as an extension to my PHP setup. So before I can install it, I need to phpize it. I installed php5-dev by sudo apt-get install php5-dev . But now when I run phpize I get the following error :
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is there an easy way to get the http status code in the failure block from AFHTTPClient?
...the operations queue the operationStatusCode will be -999.
You can check all other NSError codes and their descriptions in Apple's documentation
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