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Is there a NumPy function to return the first index of something in an array?
...with first all the row indices, then all the column indices.
For example, if an array is two dimensions and it contained your item at two locations then
array[itemindex[0][0]][itemindex[1][0]]
would be equal to your item and so would
array[itemindex[0][1]][itemindex[1][1]]
numpy.where
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How to check if a string in Python is in ASCII?
...de is better, because string no decode method in python 3, see what's the difference between encode/decode? (python 2.x)
– Jet Guo
May 8 '11 at 15:21
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Best way to do Version Control for MS Excel
...after major changes. Because all the modules are text files, the standard diff-style commands in BZR work for my sources except the Excel file itself.
I've setup a directory for my BZR repository, X:\Data\MySheet. In the repo are MySheet.xls and one .vba file for each of my modules (ie: Module1Macr...
How do I remove repeated elements from ArrayList?
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If you don't want duplicates in a Collection, you should consider why you're using a Collection that allows duplicates. The easiest way to remove repeated elements is to add the contents to a Set (which will not allow duplica...
When do I need to use Begin / End Blocks and the Go keyword in SQL Server?
...t's not strictly necessary there. Where it IS necessary is for loops, and IF statements, etc, where you need more then one step...
IF EXISTS (SELECT * FROM my_table WHERE id = @id)
BEGIN
INSERT INTO Log SELECT @id, 'deleted'
DELETE my_table WHERE id = @id
END
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When is it better to use an NSSet over an NSArray?
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If ordered: O(1) vs O(logn) since binary search is applicable. If unordered, then O(1) vs O(n)
– baskInEminence
May 25 '16 at 21:26
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What .NET collection provides the fastest search
... answer to "What is the fastest searchable collection" depends on your specific data size, ordered-ness, cost-of-hashing, and search frequency.
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Check if a method exists
Is there any way I can test if a method exists in Objective-C?
5 Answers
5
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Use HTML5 to resize an image before upload
I have found a few different posts and even questions on stackoverflow answering this question. I am basically implementing this same thing as this post .
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Checking if a folder exists (and creating folders) in Qt, C++
In Qt, how do I check if a given folder exists in the current directory?
If it doesn't exist, how do I then create an empty folder?
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