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Rails Model find where not equal
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230
In Rails 4.x (See http://edgeguides.rubyonrails.org/active_record_querying.html#not-conditions)
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Undoing a git bisect mistake
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210
From the git-bisect documentation:
Bisect log and bisect replay
After having marked rev...
How to convert An NSInteger to an int?
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206
Ta da:
NSInteger myInteger = 42;
int myInt = (int) myInteger;
NSInteger is nothing more than...
Can you have additional .gitignore per directory within a single repo?
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Similar question was: Are multiple `.gitignore`s frowned on? (Jul 2010)
Or if you can have different version of a .gitignore file per branch: Using github to host public git repositories whilst ensuring that sensitive data files remain untracked (Feb 2010)
Further perhaps related: How do ...
How do I remove leading whitespace in Python?
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edited Sep 27 '17 at 22:40
Stevoisiak
13.9k1616 gold badges9191 silver badges153153 bronze badges
answe...
PostgreSQL - max number of parameters in “IN” clause?
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According to the source code located here, starting at line 850, PostgreSQL doesn't explicitly limit the number of arguments.
The following is a code comment from line 870:
/*
* We try to generate a ScalarArrayOpExpr from IN/NOT IN, but this is only
* possible if the inputs are all ...
What are the correct link options to use std::thread in GCC under linux?
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101
I think on Linux pthread is used to implement std::thread so you need to specify the -pthread c...
How to add 10 days to current time in Rails
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Use
Time.now + 10.days
or even
10.days.from_now
Both definitely work. Are you sure you're in Rails and not just Ruby?
If you definitely are in Rails, where are you trying to run this from? Note that Active Support has to be loaded.
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Bash script - variable content as a command to run
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edited Mar 4 at 20:03
Peter Mortensen
26.5k2121 gold badges9292 silver badges122122 bronze badges
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Center a DIV horizontally and vertically [duplicate]
...is useful to anyone. You can see it here working: http://jsbin.com/iquviq/30/edit
.content {
width: 200px;
height: 600px;
background-color: blue;
position: absolute; /*Can also be `fixed`*/
left: 0;
right: 0;
top: 0;
bottom: 0;
...