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When and why to 'return false' in JavaScript?
...lse is deprecated and doesn't always work anymore.
– onetwopunch
Mar 24 '14 at 21:32
1
Sometimes ...
Find duplicate lines in a file and count how many time each line was duplicated?
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Assuming there is one number per line:
sort <file> | uniq -c
You can use the more verbose --count flag too with the GNU version, e.g., on Linux:
sort <file> | uniq --count
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How do you normalize a file path in Bash?
...his is a strongly related answer! I came across both of these QA posts in one day, and I wanted to link them together.
– phyatt
Aug 17 '16 at 19:32
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Cmake doesn't find Boost
...g FindBoost.cmake.
Lastly, FindBoost.cmake has had some bugs in the past. One thing you might try is to take a newer version of FindBoost.cmake out of the latest version of CMake, and stick it into your project folder alongside CMakeLists.txt - then even if you have an old version of boost, it will...
What is the most efficient Java Collections library? [closed]
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@Andreas: Can't say I agree. Not that it's a "one or the other" scenario - I use the regular collections (with helpers like the Lists class) and then use Iterables etc when I need to. Use the complexity only when it helps you.
– Jon Skeet
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How do you sort a dictionary by value?
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it it's one liner - You don't need braces. it can be rewritten as myList.Sort((x,y)=>x.Value.CompareTo(y.Value));
– Arnis Lapsa
Sep 26 '10 at 16:40
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What is the purpose of “android.intent.category.DEFAULT”?
...his preferred default.
Reference:
http://developer.android.com/guide/components/intents-filters.html
Extract from that page:
Android treats all implicit intents passed tostartActivity() as if they contained at least one category: "android.intent.category.DEFAULT" (the CATEGORY_DEFAULT consta...
Why does npm install say I have unmet dependencies?
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@wuliwong The top level one.
– geon
Jul 9 '16 at 18:26
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show 2 more comments
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Is it good practice to NULL a pointer after deleting it?
...t consider this mask to actually be a solution--it is, but not a very good one since it doesn't get to the root of the problem.) But not setting it to NULL masks the far (FAR!) more common problems of accessing the data after it has been deleted.
– Adrian McCarthy
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Forced naming of parameters in Python
...aking the first argument a positional argument with no name you force everyone who calls the function to use the keyword arguments which is what I think you were asking about. In Python2 the only way to do this is to define a function like this
def foo(**kwargs):
pass
That'll force the calle...