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How to read and write excel file
I want to read and write an Excel file from Java with 3 columns and N rows, printing one string in each cell. Can anyone give me simple code snippet for this? Do I need to use any external lib or does Java have built-in support for it?
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How to get all subsets of a set? (powerset)
...sets).
def power_set(A):
"""A is an iterable (list, tuple, set, str, etc)
returns a set which is the power set of A."""
length = len(A)
l = [a for a in A]
ps = set()
for i in range(2 ** length):
selector = f'{i:0{length}b}'
subset = {l[j] for j, bit in enum...
slashes in url variables
...Wikipedia uses for spaces. Replacing special characters with underscores, etc., is common practice.
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What is the “right” JSON date format?
...nters are only compatible when expressed in a broken down format (y, m, d, etc). They are NEVER compatible in an epoch format. Keep that in mind.
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How to call a Python function from Node.js
...ich function to call, and the other argument gets passed to that function, etc.
Hope this was clear. Let me know if something needs clarification.
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How to get line count of a large file cheaply in Python?
I need to get a line count of a large file (hundreds of thousands of lines) in python. What is the most efficient way both memory- and time-wise?
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iphone: Where the .dSYM file is located in crash report
...ording to this page here if you have proper application binary and .dSYM file then it is easy to symbolic them. But where are .dSYM and application binary files located?
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Android RelativeLayout programmatically Set “centerInParent”
...stance animate an image from a relative left offset to a centered position etc.
– Jonny
Nov 5 '12 at 11:40
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Do while loop in SQL Server 2008
...R
SELECT Id, Title FROM dbo.SourceTable
OPEN Iterator
WHILE 1=1 BEGIN
FETCH NEXT FROM @InputTable INTO @Id, @Title
IF @@FETCH_STATUS < 0 BREAK
PRINT 'Do something with ' + @Title
END
CLOSE Iterator
DEALLOCATE Iterator
Unfortunately, T-SQL doesn't seem to offer a cleaner way to singl...
Unzip files programmatically in .net
I am trying to programatically unzip a zipped file.
15 Answers
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