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How can I troubleshoot my Perl CGI script?
...
However, you should force yourself to always clear up questionable code by adding the warnings pragma to all of your files:
use warnings;
If you need more information than the short warning message, use the diagnostics pragma to get more information, or look in the perldiag documentation:
u...
Find CRLF in Notepad++
...pic:
"How To Replace Line Ends, thus changing the line layout".
(mentioned by georgiecasey in his/her answer below)
Some relevant extracts includes the following search processes:
Simple search (Ctrl+F), Search Mode = Normal
You can select an EOL in the editing window.
Just move t...
Naming “class” and “id” HTML attributes - dashes vs. underlines [closed]
...
objectContainer.messageClass = new message(document.getElementById('message'));
objectContainer.messageClass.write('loaded');
}
asyncScript.src = 'message.js';
document.appendChild(asyncScript);
}else{
objectContainer.messageClass = new me...
How do I target only Internet Explorer 10 for certain situations like Internet Explorer-specific CSS
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What do you mean by "all of them are detecting the browser via navigator.userAgent"? Conditional compilation is a built-in feature of the JScript runtime, which cannot be spoofed via the user-agent string.
– BoltClock♦...
Why do python lists have pop() but not push()
...re "pop" was thought of. Python 0.9.1 supported list.append in early 1991. By comparison, here's part of a discussion on comp.lang.python about adding pop in 1997. Guido wrote:
To implement a stack, one would need
to add a list.pop() primitive (and
no, I'm not against this particular
one ...
Python progression path - From apprentice to guru
...ding a site on Django, many questions that might stump you can be answered by looking at how Django implements the feature in question.
This way you'll continue to pick up new idioms, coding styles, and Python tricks. (Some will be good and some will be bad.)
And when you see something Pythony th...
Git On Custom SSH Port
...commends that I leave my SSH port to the custom port number they assign it by default (not 22). The thing is the while I know I can give the port number when create a remote config, it seems like I can't do the same when doing a git clone. I am using gitolite so I clone commands look like:
...
Determine the number of lines within a text file
...der.ReadLine()" and "reader.ReadLine()" is slightly faster but it's faster by very little margin. "ReadAllLines" is looser which takes double the time and eats lot of memory). This is because "File.ReadLines.Count()" and "reader.ReadLine()" is an enumerator which reads file line by line and doesn't ...
What is a patch in git version control?
...nicate and apply to another repo)
(picture from the 2008 blog post "Bioruby with git: how would that work?", published by Jan AERTS)
See also Contributing to Rails with Git as another concrete example.
Nowadays, the GitHub pull request makes it really easy to apply patches on GitHub repos, which...
Recursion or Iteration?
...ve (the last line is recursive call). Tail recursion should be recognized by the compiler and optimized to its iterative counterpart (while maintaining the concise, clear implementation you have in your code).
I would write the algorithm in the way that makes the most sense and is the clearest for...