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Get the first element of each tuple in a list in Python [duplicate]
... for x in rows]
Below is a demonstration:
>>> rows = [(1, 2), (3, 4), (5, 6)]
>>> [x[0] for x in rows]
[1, 3, 5]
>>>
Alternately, you could use unpacking instead of x[0]:
res_list = [x for x,_ in rows]
Below is a demonstration:
>>> lst = [(1, 2), (3, 4)...
All permutations of a Windows license key
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edited Feb 5 '13 at 23:39
Peter Mortensen
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Unix's 'ls' sort by name
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131
My ls sorts by name by default. What are you seeing?
man ls states:
List information about th...
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How can I enable or disable the GPS programmatically on Android?
....addCategory(Intent.CATEGORY_ALTERNATIVE);
poke.setData(Uri.parse("3"));
sendBroadcast(poke);
}
}
private void turnGPSOff(){
String provider = Settings.Secure.getString(getContentResolver(), Settings.Secure.LOCATION_PROVIDERS_ALLOWED);
if(provider.contains("gps")){ //i...
Fast ceiling of an integer division in C / C++
...eturning the ceiling instead. For example, ceil(10/5)=2 and ceil(11/5)=3 .
10 Answers
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sed beginner: changing all occurrences in a folder
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edited May 25 '09 at 3:13
answered May 25 '09 at 2:51
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Would it be beneficial to begin using instancetype instead of id?
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answered Jan 23 '12 at 18:47
Catfish_ManCatfish_Man
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java: ArrayList - how can i check if an index exists?
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Naveed Ahmad
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answered Jan 25 '10 at 11:14
AmarghoshAmarghosh
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