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How to normalize a NumPy array to within a certain range?
...p.max(np.abs(audio),axis=0)
image *= (255.0/image.max())
Using /= and *= allows you to eliminate an intermediate temporary array, thus saving some memory. Multiplication is less expensive than division, so
image *= 255.0/image.max() # Uses 1 division and image.size multiplications
is margi...
Create table (structure) from existing table
...
Kevin, just a small formatting change in your answer:- Select * Into <DestinationTableName> From <SourceTableName> Where 1 = 2
– Ashish Gupta
Mar 24 '10 at 6:32
...
What does “while True” mean in Python?
...e loop body indefinitely. It's an idiom that you'll just get used to eventually! Most languages you're likely to encounter have equivalent idioms.
Note that most languages usually have some mechanism for breaking out of the loop early. In the case of Python it's the break statement in the cmd == 'e...
Passing A List Of Objects Into An MVC Controller Method Using jQuery Ajax
...() {
$('#result').html('"PassThings()" successfully called.');
},
failure: function (response) {
$('#result').html(response);
}
});
});
public void PassThings(List<Thing> things)
{
var t = things;
}
public class Th...
How do I convert dates in a Pandas data frame to a 'date' data type?
...
Essentially equivalent to @waitingkuo, but I would use to_datetime here (it seems a little cleaner, and offers some additional functionality e.g. dayfirst):
In [11]: df
Out[11]:
a time
0 1 2013-01-01
1 2 2013-01-02
2 ...
How to get last inserted id?
...er 2005+, if there is no insert trigger, then change the insert statement (all one line, split for clarity here) to this
INSERT INTO aspnet_GameProfiles(UserId,GameId)
OUTPUT INSERTED.ID
VALUES(@UserId, @GameId)
For SQL Server 2000, or if there is an insert trigger:
INSERT INTO aspnet_GameProfi...
How to get the path of the batch script in Windows?
...
%~dp0 will be the directory. Here's some documentation on all of the path modifiers. Fun stuff :-)
To remove the final backslash, you can use the :n,m substring syntax, like so:
SET mypath=%~dp0
echo %mypath:~0,-1%
I don't believe there's a way to combine the %0 syntax with the ...
How to draw polygons on an HTML5 canvas?
...dle top of the polygon rather than the middle right, flip the sin and cos calls and change Ycenter + to Ycenter - on both places (leaving it as a sum rather than a difference of the values results in it starting with a point at the bottom of the resultant shape). I am not a clever man when it comes...
How to check if a file contains a specific string using Bash
...xpected results. It's safer to always use fgrep (or grep -F) (unless you really need a regex, in which case egrep (or grep -E) is probably the best choice)
– Walter Tross
Apr 27 '18 at 13:25
...
How do I get the find command to print out the file size with the file name?
...ust the h extra from jer.drab.org's reply. saves time converting to MB mentally ;)
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