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How to declare a structure in a header that is to be used by multiple files in c?
...op of the header and then declare variables as GLOBAL struct a myAValue;. From most source files, you arrange for the #define GLOBAL extern version to be used (declaring the variables) and from exactly one source file it causes the empty define to be used so the variables are defined.
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How to avoid null checking in Java?
...n environment, although my testing has shown next to no performance impact from assertions.
Not using assertions in this case is OK because the code will just fail, which is what will happen if you use assertions. The only difference is that with assertions it might happen sooner, in a more-meanin...
Permutations in JavaScript?
...er permute([4,5,6]), the output of the later still have the result, output from the first one. Any idea how to fix that ? Many thanks !
– 500
Jul 6 '12 at 13:24
3
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Explanation of strong and weak storage in iOS5
...(pre-arc) in a book, think it was Hillegass, but then he could have got it from somewhere else... it's a good one though!
– jrturton
Feb 13 '12 at 15:15
14
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Which characters need to be escaped in HTML?
... space. You can use these instead of normal spaces to prevent a line break from being inserted between two words, or to insert extra space without it being automatically collapsed, but this is usually a rare case. Don't do this unless...
What does this square bracket and parenthesis bracket notation mean [first1,last1)?
...
This evolves from grade school pre-algebra, where you learn about functions f(x) and the function's domain and range, where a function like f(x)=x^2, would have a range of 0 to positive infinity, denoted with [0,∞).
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What is Autoloading; How do you use spl_autoload, __autoload and spl_autoload_register?
...ad_register() allows you to register multiple functions (or static methods from your own Autoload class) that PHP will put into a stack/queue and call sequentially when a "new Class" is declared.
So for example:
spl_autoload_register('myAutoloader');
function myAutoloader($className)
{
$path...
Understanding checked vs unchecked exceptions in Java
...er the situation like this? Can I?
It could've been. But nothing stops you from catching the unchecked exception as well
Why do people add class Exception in the throws clause?
Most often because people are lazy to consider what to catch and what to rethrow. Throwing Exception is a bad practice and ...
Regular expression for floating point numbers
...same thing as [0-9]. (Well, actually, in some engines \d will match digits from all scripts, so it'll match more than [0-9] will, but that's probably not significant in your case.)
Now, if you look at this carefully, you'll realize that every single part of your pattern is optional. This pattern ca...
How do I include inline JavaScript in Haml?
...as I needed to do for MathJax.
You can use the plain filter to keep HAML from parsing the script and throwing an illegal nesting error:
%script{type: "text/x-mathjax-config"}
:plain
MathJax.Hub.Config({
tex2jax: {
inlineMath: [["$","$"],["\\(","\\)"]]
}
});
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