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'float' vs. 'double' precision
...ary representation, not a decimal one.
Single precision (float) gives you 23 bits of significand, 8 bits of exponent, and 1 sign bit.
Double precision (double) gives you 52 bits of significand, 11 bits of exponent, and 1 sign bit.
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How to remove specific element from an array using python
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204
You don't need to iterate the array. Just:
>>> x = ['ala@ala.com', 'bala@bala.com']
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Rails find_or_create_by more than one attribute?
...er.where(:member_id => 4, :group_id => 7).first_or_initialize
Edit 2: Not all of these were factored out of rails just the attribute specific ones.
https://github.com/rails/rails/blob/4-2-stable/guides/source/active_record_querying.md
Example
GroupMember.find_or_create_by_member_id_and_...
Why are C# 3.0 object initializer constructor parentheses optional?
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This question was the subject of my blog on September 20th 2010. Josh and Chad's answers ("they add no value so why require them?" and "to eliminate redundancy") are basically correct. To flesh that out a bit more:
The feature of allowing you to elide the argument list as part ...
How can I get a Bootstrap column to span multiple rows?
... <div class="col-md-6">
<div class="well">2</div>
</div>
<div class="col-md-6">
<div class="well">3</div>
</div>
</div>
<div class="row">
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How to subtract 2 hours from user's local time?
...e JavaScript code block that will allow me to display the local time minus 2 hours?
2 Answers
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Iteration ng-repeat only X times in AngularJs
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342
Angular comes with a limitTo:limit filter, it support limiting first x items and last x items:
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Failed to instantiate module [$injector:unpr] Unknown provider: $routeProvider
I received this error upon upgrading from AngularJS 1.0.7 to 1.2.0rc1 .
3 Answers
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Convert list to tuple in Python
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Peter Mortensen
26.5k2121 gold badges9292 silver badges122122 bronze badges
answered Oct 11 '12 at 9:15
rootroot
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“ValueError: zero length field name in format” error in Python 3.0,3.1,3.2
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I'm gonna guess that you are running python 2.6 by accident somehow.
This feature is only available for at least 3.1 if you are using python 3, or 2.7 if you are using python 2.
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