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Save modifications in place with awk
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In GNU Awk 4.1.0 (released 2013) and later, it has the option of "inplace" file editing:
[...] The "inplace" extension, built using the new facility, can be used to simulate the GNU "sed -i" feature. [...]
Example usage:
$ gawk -i inplace '{ gsub(/fo...
Cost of exception handlers in Python
...'a={}'.format(a))
print("a = {}\n{}".format(a,s))
print("%.2f usec/pass\n" % (1000000 * t.timeit(number=100000)/100000))
Result:
a = 1
try:
b = 10/a
except ZeroDivisionError:
pass
0.25 usec/pass
a = 1
if a:
b = 10/a
0.29 usec/pass
a = 1
b = 10/a
0.22 usec/pass
a = 0...
What is the difference between the hidden attribute (HTML5) and the display:none rule (CSS)?
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newtronnewtron
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How do I get the current Date/time in DD/MM/YYYY HH:MM format?
...t it's easy to change):
Time.now.strftime("%d/%m/%Y %H:%M")
#=> "14/09/2011 14:09"
Updated for the shifting:
d = DateTime.now
d.strftime("%d/%m/%Y %H:%M")
#=> "11/06/2017 18:11"
d.next_month.strftime("%d/%m/%Y %H:%M")
#=> "11/07/2017 18:11"
You need to require 'date' for this btw.
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How do you attach a new pull request to an existing issue on github?
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246
The "hub" project can do this:
https://github.com/defunkt/hub
In the repository and branch t...
What does the '.' (dot or period) in a Go import statement do?
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answered Jun 25 '11 at 16:21
tvanfossontvanfosson
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How to perform better document version control on Excel files and SQL schema files
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Peter Mortensen
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answered Jun 13 '13 at 9:51
kirelaginkire...
Regex: Remove lines containing “help”, etc
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edited Jun 29 '19 at 20:45
Peter Mortensen
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Label Alignment in iOS 6 - UITextAlignment deprecated
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edited Jan 31 '14 at 21:15
Brian
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answered S...
iphone ios running in separate thread
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244
In my opinion, the best way is with libdispatch, aka Grand Central Dispatch (GCD). It limits y...