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How to get first element in a list of tuples?
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cs95
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answered Aug 27 '12 at 13:25
RakeshRakesh
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Using .NET, how can you find the mime type of a file based on the file signature not the extension
...headers, file extension, and/or the data itself. Usually, only the first 256 bytes of data are significant.
So, read the first (up to) 256 bytes from the file and pass it to FindMimeFromData.
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Numpy: find first index of value fast
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How to sort objects by multiple keys in Python?
...ll it like this:
b = [{u'TOT_PTS_Misc': u'Utley, Alex', u'Total_Points': 96.0},
{u'TOT_PTS_Misc': u'Russo, Brandon', u'Total_Points': 96.0},
{u'TOT_PTS_Misc': u'Chappell, Justin', u'Total_Points': 96.0},
{u'TOT_PTS_Misc': u'Foster, Toney', u'Total_Points': 80.0},
{u'TOT_PTS_Misc...
Why is my program slow when looping over exactly 8192 elements?
...: 2.122 seconds
8193: 1.582 seconds
Interchanged Outer-Loops:
8191: 0.376 seconds
8192: 0.357 seconds
8193: 0.351 seconds
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How to add jQuery in JS file
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176
var script = document.createElement('script');
script.src = 'https://code.jquery.com/jquery-3.4....
Get current time as formatted string in Go?
...on and the time.Format() method.
t := time.Now()
fmt.Println(t.Format("20060102150405"))
prints out 20110504111515, or at least it did a few minutes ago. (I'm on Eastern Daylight Time.) There are several pre-defined time formats in the constants defined in the time package.
You can use time.Now(...
What is the best way to initialize a JavaScript Date to midnight?
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Christian C. SalvadóChristian C. Salvadó
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Is it possible to have multiple statements in a python lambda expression?
...und in the heapq module.
>>> import heapq
>>> l = [5,2,6,8,3,5]
>>> heapq.nsmallest(l, 2)
[2, 3]
So just use:
map(lambda x: heapq.nsmallest(x,2)[1], list_of_lists)
It's also usually considered clearer to use a list comprehension, which avoids the lambda altogether:...