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What is the most efficient string concatenation method in python?
... more pronounced, though, with longer strings.
Now that I had a nice test script, I also tested under Python 2.6, 3.3 and 3.4, here's the results. In Python 2.6, the plus operator is the fastest! On Python 3, join wins out. Note: these tests are very repeatable on my system. So, 'plus' is always fa...
Calling shell functions with xargs
.... In this case, you provide the name echo_var, which is a function in this script, not a process (program) in your PATH. What Dennis' solution does is export the function for child bash processes to use, then forks to the subprocess and executes there.
– David Souther
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Can't find the 'libpq-fe.h header when trying to install pg gem
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If you then are required to have a javascript library installed... gem install 'execjs' and gem install 'therubyracer'
– Nick Woodhams
Apr 26 '12 at 10:30
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Java EE web development, where do I start and what skills do I need? [closed]
...d to JSP is the fact that writing plain Java code in JSP files using <% scriptlets %> is officially discouraged since 2003. See also How to avoid Java code in JSP files? So any tutorials which still cover scriptlets should be skipped as they will definitely take you into a downward spiral of l...
How to handle more than 10 parameters in shell
...using bash shell on linux and want to use more than 10 parameters in shell script
2 Answers
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Why use Ruby instead of Smalltalk? [closed]
...he way that Python and Ruby have, so the concept of 'smalltalk as embedded scripting language' never caught on.As an aside, Java was not the easiest thing to interface with other code bases (JNI is fairly clumsy), but that did not stop it from gaining mindshare. IMO the interfacing argument is sign...
Setting up foreign keys in phpMyAdmin?
...you have multiple tables linked to one another, in particular, your delete scripts will become very short if you set the referencing options correctly.
EDIT: Make sure both of the tables have the InnoDB engine selected.
sha...
How can I profile Python code line-by-line?
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how does the python script that produces this output look like? import line_profiler; and then ?
– Zhubarb
Mar 11 '14 at 12:19
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What exactly is Heroku?
...t push - build of your application is performed by Heroku using your build scripts
Plenty of Add-on resources (applications, databases etc.)
Processes scaling - independent scaling for each component of your app without affecting functionality and performance
Isolation - each process (aka dyno) is c...
NGINX to reverse proxy websockets AND enable SSL (wss://)?
...NGINX config files so you can re-use them (that includes your init.d/nginx script)
yum install pcre pcre-devel openssl openssl-devel and any other necessary libs for building NGINX
Get the nginx_tcp_proxy_module from GitHub here https://github.com/yaoweibin/nginx_tcp_proxy_module and remember the fo...