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Why does Python code run faster in a function?
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3 Answers
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Sort a single String in Java
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edited Mar 3 '09 at 14:26
answered Mar 3 '09 at 10:37
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Remove padding from columns in Bootstrap 3
... <div class="widget-header">
<h3>Dimensions</h3>
</div>
<div class="widget-content">
</div>
</div>
</div>
<div class="col-md-8 nopadding"...
Replace one substring for another string in shell script
...urrences, use ${parameter//pattern/string}:
message='The secret code is 12345'
echo "${message//[0-9]/X}"
# prints 'The secret code is XXXXX'
(This is documented in the Bash Reference Manual, §3.5.3 "Shell Parameter Expansion".)
Note that this feature is not specified by POSIX — it...
$(this).val() not working to get text from span using jquery
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edited Dec 7 '17 at 11:32
Rory McCrossan
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Rails: Is there a rails trick to adding commas to large numbers?
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354
You want the number_with_delimiter method. For example:
<%= number_with_delimiter(@number,...
Set a persistent environment variable from cmd.exe
...future command windows but not in the current CMD.exe command window.
3) On a remote system, variables created or modified by this tool will be available at the next logon session.
In PowerShell, the [Environment]::SetEnvironmentVariable command.
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How can I see the SQL that will be generated by a given ActiveRecord query in Ruby on Rails
...eir queries directly. It is private API so there is a huge risk that Rails 3 will totally break it, but for debugging, it is an ok solution.
The method is construct_finder_sql(options) (lib/active_record/base.rb:1681) you will have to use send because it is private.
Edit: construct_finder_sql was...
Finding duplicates in O(n) time and O(1) space
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13 Answers
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