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Reset keys of array elements in php?
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Didn't reset the keys of my array for some reason, had to use just the array_values function.
– SSH This
Mar 1 '13 at 20:30
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Using sed and grep/egrep to search and replace
... as record separator. This is important to match the -Z of egrep and to avoid being fooled by spaces and newlines in input filenames.
-l: use one line per command as parameter
sed: the stream editor
-i: replace the input file with the output without making a backup
-e: use the following argument ...
How to get a substring of text?
...t is not okay to use a comma for negative positions: a[-4,-2]. The only valid notation is the two dots: a[-4..-2]. Learnt it the hard way.
– cavpollo
Jul 1 '15 at 6:59
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What does Maven Update Project do in Eclipse?
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To add on to what @Gimby said - Update Project also provides more options such as Force Update of Snapshots / Releases which is extremely helpful when you have dependencies that are looking for the latest. (e.g.: [1.0) will find 1.0.* - whatever's the...
How do I get a human-readable file size in bytes abbreviation using .NET?
...answered Nov 11 '08 at 18:03
David ThibaultDavid Thibault
7,94033 gold badges3434 silver badges5050 bronze badges
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Rolling back a remote Git repository
...fic commit by using: git reset --hard [sha1] where sha1 is the commit hash identifier.
– pisaruk
Jul 17 '12 at 22:42
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In C++, if throw is an expression, what is its type?
...n fact, 15.1, paragraph 1 says explicitly "A throw-expression is of type void."
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The role of #ifdef and #ifndef
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Text inside an ifdef/endif or ifndef/endif pair will be left in or removed by the pre-processor depending on the condition. ifdef means "if the following is defined" while ifndef means "if the following is not defined".
So:
#define...
Where should Rails 3 custom validators be stored?
I've seen docs/websites show that custom validators should go in a /lib or /lib/validators directory of a project. I've found (by reading an answer to another post) that they only seem to work in config/initializers . Does anyone know, or have a pointer to official documentation that shows wher...
emacs zoom in/zoom out
...o say that for example on my windows system, the binding command is not valid.
To use it on windows (or probably anywhere) you can use these generic bindings :
(global-set-key [C-mouse-wheel-up-event] 'text-scale-increase)
(global-set-key [C-mouse-wheel-down-event] 'text-scale-decrease)
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