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What's the nearest substitute for a function pointer in Java?
...except for a small calculation that's going to change one line of code. This is a perfect application for passing in a function pointer to replace that one line, but Java doesn't have function pointers. What's my best alternative?
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How to overwrite styling in Twitter Bootstrap
... a .sidebar class that has the CSS rule 'float: left;' How can I change this so that it goes to the right instead? I'm using HAML and SASS but am relatively new to web development.
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How can I convert ereg expressions to preg in PHP?
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The biggest change in the syntax is the addition of delimiters.
ereg('^hello', $str);
preg_match('/^hello/', $str);
Delimiters can be pretty much anything that is not alpha-numeric, a backslash or a whitespace character. The most used are generally ~, / a...
wait() or sleep() function in jquery?
...ll execute some code after a delay of some period of time (measured in milliseconds). However, an important note: because of the nature of javascript, the rest of the code continues to run after the timer is setup:
$('#someid').addClass("load");
setTimeout(function(){
$('#someid').addClass("done...
How can I save application settings in a Windows Forms application?
What I want to achieve is very simple: I have a Windows Forms (.NET 3.5) application that uses a path for reading information. This path can be modified by the user, by using the options form I provide.
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Python debugging tips [closed]
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'a string'
(Pdb)
To continue execution use c (or cont or continue).
It is possible to execute arbitrary Python expressions using pdb. For example, if you find a mistake, you can correct the code, then type a type expression to have the same effect in the running code
ipdb is a version of pdb fo...
What does “not run” mean in R help pages?
...es on an R help page the phrase "not run" appears in comments. Check out this from the help page for "with()":
5 Answers
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What's a good IDE for Python on Mac OS X? [closed]
...entered around TDD and refactoring, and whose primary development language is Python. I come from the Java world, and have been a confident user of Eclipse for a good, long time. When not working in Java, I use emacs.
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Do I need to heartbeat to keep a TCP connection open?
...omponents that that communicate via TCP/IP. Component A acts as a server/listener and Component B is the client. The two should communicate as quickly as possible. There can only ever be one connection at any time (though that is aside to this question). A senior developer at my company has said...
Iterating each character in a string using Python
In C++, I can iterate over an std::string like this:
8 Answers
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