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Removing whitespace from strings in Java
... Just use StringUtils from apache-commons. Its a static method called StringUtils.deleteWhitespace.
– Crozeta
Jun 7 '17 at 13:48
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PHP Get name of current directory
...e libs/common.php
That way when common.php is require'd in main.php, the call of require_once in common.php will correctly includes editor.php in images/editor.php instead of trying to look in current directory where main.php is run.
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Why does Math.Floor(Double) return a value of type Double?
I need to get the left hand side integer value from a decimal or double. For Ex: I need to get the value 4 from 4.6. I tried using Math.Floor function but it's returning a double value, for ex: It's returning 4.0 from 4.6. The MSDN documentation says that it returns an integer value. Am I missing so...
Reverting part of a commit with git
...after committing, git reset --hard to discard the other changes which you didn't want to revert.
– tremby
Sep 26 '12 at 21:03
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Concatenate two string literals
I am reading Accelerated C++ by Koenig. He writes that "the new idea is that we can use + to concatenate a string and a string literal - or, for that matter, two strings (but not two string literals).
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Simple way to create matrix of random numbers
... accept shapes, i.e. N-tuples. So really the outside parantheses represent calling the method numpy.random.random(), and the inside parantheses are syntactic sugar for instantiating the tuple (3, 3) that is passed into the function.
– Vivek Jha
Jan 23 '18 at 23...
Problems installing the devtools package
... I only get those message Error in library(devtools) : there is no package called ‘devtools’
– sikisis
Jul 24 '15 at 9:22
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Using Rails 3.1 assets pipeline to conditionally use certain css
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I've discovered a way to make it less rigid and future proof by still using the asset pipeline but having the stylesheets grouped. It's not much simpler than your solution, but this solution allows you to automatically add new stylesheets without having to re-edit t...
How to exclude this / current / dot folder from find “type d”
... You probably want to escape the exclamation char (\!) to be on the safe side. All the examples in my machine's man find have it escaped so it seems like it's probably a Good Idea™. Edit — Just noticed it even explicitly says: ! expr True if expr is false. This character will also usually need...
Why is it faster to check if dictionary contains the key, rather than catch the exception in case it
...ointer, regardless of whether those situations are common, and without considering the performance cost.
– LarsH
Apr 19 '13 at 18:37
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