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Why `null >= 0 && null
I had to write a routine that increments the value of a variable by 1 if its type is number and assigns 0 to the variable if not, where the variable is initially null or undefined .
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Retrieve list of tasks in a queue in Celery
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14 Answers
14
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How to remove “onclick” with JQuery?
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Old Way (pre-1.7):
$("...").attr("onclick", "").unbind("click");
New Way (1.7+):
$("...").prop("onclick", null).off("click");
(Replace ... with the selector you need.)
// use the "[attr=value]" syntax to avoid syntax errors wit...
Find a Git branch containing changes to a given file
...e read br; do git cherry master $br | while read x h; do if [ "`git log -n 1 --format=%H $h -- $FILENAME`" = "$h" ]; then echo $br; fi; done; done | sort -u
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Rails params explained?
.... For example, if a user's browser requested
http://www.example.com/?foo=1&boo=octopus
then params[:foo] would be "1" and params[:boo] would be "octopus".
In HTTP/HTML, the params are really just a series of key-value pairs where the key and the value are strings, but Ruby on Rails has a spe...
Proper package naming for testing with the Go language
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134
The fundamental difference between the three strategies you've listed is whether or not the te...
Eclipse hangs on loading workbench
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146
DISCLAIMER: THIS WILL DELETE ALL OF YOUR ECLIPSE WORKSPACE SETTINGS AND YOU WILL HAVE TO RE-IM...
HTML table with fixed headers?
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}
$(document).ready(function() {
scrolify($('#tblNeedsScrolling'), 160); // 160 is height
});
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.6.4/jquery.min.js"></script>
<div style="width:300px;border:6px green solid;">
<table border="1" width="100%"...
Python: Get the first character of the first string in a list?
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139
You almost had it right. The simplest way is
mylist[0][0] # get the first character from th...
Objective-C parse hex string to integer
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169
Joshua Weinberg's answer is mostly correct, however the 0x prefix is optional when scanning he...