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Remove ALL white spaces from text
This is a snippet from my code. I want to add a class to an ID after getting another ID's text property. The problem with this, is the ID holding the text I need, contains gaps between the letters.
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What does “coalgebra” mean in the context of programming?
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This lets us talk about algebras as a type τ with a single function from some mess of Eithers to a single τ. For monoids, this mess is: Either (τ, τ) (); for groups (which have an extra τ → τ operation), it's: Either (Either (τ, τ) τ) (). It's a different type for every different stru...
serve current directory from command line
could someone give me a hint, howto serve the current directory from command line with ruby? it would be great, if i can have some system wide configuration (e.g. mime-types) and simply launch it from every directory.
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Is there any way to enforce typing on NSArray, NSMutableArray, etc.?
...grammer wish for that feature. The only people who seem to are programmers from other languages who are still thinking in those languages. If you only want objects of a given class in an array, only stick objects of that class in there. If you want to test that your code is behaving properly, test i...
Remove border from IFrame
How would I remove the border from an iframe embedded in my web app? An example of the iframe is:
25 Answers
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How to create a new java.io.File in memory?
How can I create new File (from java.io ) in memory, not on the hard disk?
3 Answers
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Comparing strings with == which are declared final in Java
...red to "string" will give you true, because string literals are interned.
From JLS §4.12.4 - final Variables:
A variable of primitive type or type String, that is final and initialized with a compile-time constant expression (§15.28), is called a constant variable.
Also from JLS §15.28 - C...
How to reload .bash_profile from the command line?
... @StasS - . and source are literally the same thing in bash. From the link: "source is a synonym for dot/period '.' in bash, but not in POSIX sh, so for maximum compatibility use the period."
– Carl Norum
Jan 15 '17 at 16:31
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Sort array of objects by object fields
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Use usort, here's an example adapted from the manual:
function cmp($a, $b) {
return strcmp($a->name, $b->name);
}
usort($your_data, "cmp");
You can also use any callable as the second argument. Here are some examples:
Using anonymous functions (from...
How to extract img src, title and alt from html using php? [duplicate]
...ache system, you can tweak your own by using ob_start and loading / saving from a text file.
How does this stuff work ?
First, we use preg_ match_ all, a function that gets every string matching the pattern and ouput it in it's third parameter.
The regexps :
<img[^>]+>
We apply it on ...