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What is a unix command for deleting the first N characters of a line?
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Use cut. Eg. to strip the first 4 characters of each line (i.e. start on the 5th char):
tail...
MySQL DISTINCT on a GROUP_CONCAT()
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374
GROUP_CONCAT has DISTINCT attribute:
SELECT GROUP_CONCAT(DISTINCT categories ORDER BY categor...
Is it possible to execute code once before all tests run?
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Escaping keyword-like column names in Postgres
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How to convert comma-delimited string to list in Python?
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You can use the str.split method.
>>> my_string = 'A,B,C,D,E'
>>> my_list = m...
Comment out text in R Markdown (Rmd file)
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Storing Image Data for offline web application (client-side storage database)
... Offline blob cache for PNG slippy maps
Testing
171 PNG files (total of 3.2MB)
Platforms tested: Chrome v24, FireFox 18, IE 10
Should also work with Chrome & FF for Android
Fetch from web server
using XHR2 (supported on almost all browsers) for blob download from web server
I went with XH...
Spring @PostConstruct vs. init-method attribute
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No practically I don't think there is any difference but there are priorities in the way they wo...
How do I run all Python unit tests in a directory?
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With Python 2.7 and higher you don't have to write new code or use third-party tools to do this;...
What is the use of the %n format specifier in C?
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rink.attendant.6
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answered Aug 3 '10 at 22:14
StarkeyStarke...