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How to convert 2D float numpy array to 2D int numpy array?
...g: rint, floor,trunc, ceil. depending how u wish to round the floats, up, down, or to the nearest int.
>>> x = np.array([[1.0,2.3],[1.3,2.9]])
>>> x
array([[ 1. , 2.3],
[ 1.3, 2.9]])
>>> y = np.trunc(x)
>>> y
array([[ 1., 2.],
[ 1., 2.]])
>...
Binary Data in JSON String. Something better than Base64
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Why is this answer so low down when it uses native features instead of trying to squeeze a round (binary) peg into a square (ASCII) hole?...
– Mark K Cowan
Apr 12 '17 at 20:56
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Importing a CSV file into a sqlite3 database table using Python
...esseeLeeuwenburg. I didn't have a need for df so I shortened your example down to: pandas.read_csv(csvfile).to_sql(table_name, conn, if_exists='append', index=False)
– keithpjolley
May 23 '19 at 19:56
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How to create a GUID/UUID using iOS
...s bulletproof as CFUUID. Anyone who needs the greater rigour ought to drop down to CoreFoundation.
– Ryan McCuaig
May 6 '11 at 18:51
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Determine if running on a rooted device
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I tested this on nexus 5 with download.chainfire.eu/363/CF-Root/CF-Auto-Root/…, this one is not accurate.
– Jeffrey Liu
May 5 at 18:37
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How to calculate the bounding box for a given lat/lng location?
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I have added a C# implementation of this answer down below.
– Ε Г И І И О
Jan 14 '13 at 6:27
2
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How to define an alias in fish shell?
...tually, ALL variables in fish are arrays. Go to Shell variables and scroll down to the Arrays subsection
– glenn jackman
Feb 28 '19 at 21:08
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What is the shortest function for reading a cookie by name in JavaScript?
...unction name, 90 bytes if you drop the encodeURIComponent.
I've gotten it down to 73 bytes, but to be fair it's 82 bytes when named readCookie and 102 bytes when then adding encodeURIComponent:
function C(k){return(document.cookie.match('(^|; )'+k+'=([^;]*)')||0)[2]}
...
How to get orientation-dependent height and width of the screen?
...the same as my answer, only thing it misses is if it is in Portrait upside down. This only matters if you support that orientation tho.
– Robert Wagstaff
Feb 12 '13 at 23:50
2
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Is there any overhead to declaring a variable within a loop? (C++)
...pe there will likely be no difference between the 2 styles (probably right down to the generated code).
However, if the variable is a class with a non-trivial constructor/destructor there could well be a major difference in runtime cost. I'd generally scope the variable to inside the loop (to keep ...