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How do I zip two arrays in JavaScript? [duplicate]
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How would you create a dictionary/object from this?
– Climax
Apr 26 '18 at 6:50
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How to declare or mark a Java method as deprecated?
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@argh1969, right! don't remember where I got the template from back then. But I can confirm both versions work. Though I'm editing in favor of standards.
– azerafati
Nov 24 '18 at 4:36
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Alias with variable in bash [duplicate]
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If you are using the Fish shell (from http://fishshell.com ) instead of bash, they write functions a little differently.
You'll want to add something like this to your ~/.config/fish/config.fish which is the equivalent of your ~/.bashrc
function tail_ls
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How to convert 2D float numpy array to 2D int numpy array?
...swer this question. The reputation requirement helps protect this question from spam and non-answer activity.
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How do I change permissions for a folder and all of its subfolders and files in one step in Linux?
... @BenoitDuffez if your goal is to also remove the executable bit from files, you can combine directives, like "a-x+rX" to remove "x" from everything and then set "r" to everything and "x" to directories only.
– nunks
Dec 19 '16 at 19:59
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Examples of GoF Design Patterns in Java's core libraries
...ch doesn't clone the items, but uses them. The java.util.Collections#newSetFromMap() and singletonXXX() methods however comes close.
Composite (recognizeable by behavioral methods taking an instance of same abstract/interface type into a tree structure)
java.awt.Container#add(Component) (practical...
EJB's - when to use Remote and/or local interfaces?
... can do it by means of configuration only.
A special note about switching from local to remote: note that there are a few semantic differences between the two. For example, calling an EJB method via its "remote interface" results in arguments being passed by-value, while calling through the "local ...
What's the difference between unit tests and integration tests? [duplicate]
... though, if they do their job, testers and users downstream should benefit from seeing fewer bugs.
Part of being a unit test is the implication that things outside the code under test are mocked or stubbed out. Unit tests shouldn't have dependencies on outside systems. They test internal consisten...
Extract a regular expression match
I'm trying to extract a number from a string.
12 Answers
12
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Using sed and grep/egrep to search and replace
...or this kind of one-liners, especially to "write it back to where it comes from" (perl's -i switch does it for you, and optionally also lets you keep the old version around e.g. with a .bak appended, just use -i.bak instead).
perl -i.bak -pe 's/\.jpg|\.png|\.gif/.jpg/
rather than intricate work i...