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What is Weak Head Normal Form?
...general that every subexpression will be needed, expressions are evaluated from the outside in.
(GHC has a strictness analyzer that will detect some situations where a subexpression is always needed and it can then evaluate it ahead of time. This is only an optimization, however, and you should not...
Get local href value from anchor (a) tag
...ps%3a%2f%2fstackoverflow.com%2fquestions%2f15439853%2fget-local-href-value-from-anchor-a-tag%23new-answer', 'question_page');
}
);
Post as a guest
Name
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How do I embed a single file from a GitHub gist with the new gist interface?
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Take the gist URL from the left-hand side and after the .js add a query string like ?file=myFile.blah, e.g.
<script src="https://gist.github.com/4505639.js?file=macroBuild.scala" type="text/javascript"></script>
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Rails: where does the infamous “current_user” come from?
... that there are a lot of references to current_user . Does this only come from Devise? and do I have to manually define it myself even if I use Devise? Are there prerequisites to using current_user (like the existence of sessions, users, etc)?
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ByteBuffer.allocate() vs. ByteBuffer.allocateDirect()
...ects in Java, and
the way data is stored inside that
object could vary from one JVM
implementation to another.
For this reason, the notion of a
direct buffer was introduced. Direct
buffers are intended for interaction
with channels and native I/O routines.
They make a best effort ...
Return JSON response from Flask view
... dict with summary information. I want to return the results as a response from a Flask view. How do I return a JSON response?
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Dictionary vs Object - which is more efficient and why?
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Have you tried using __slots__?
From the documentation:
By default, instances of both old and new-style classes have a dictionary for attribute storage. This wastes space for objects having very few instance variables. The space consumption can become acut...
type object 'datetime.datetime' has no attribute 'datetime'
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>>> import datetime
>>> datetime
<module 'datetime' from '/usr/lib/python2.6/lib-dynload/datetime.so'>
>>> datetime.datetime(2001,5,1)
datetime.datetime(2001, 5, 1, 0, 0)
But, if you import datetime.datetime:
>>> from datetime import datetime
>>&g...
Highlight the difference between two strings in PHP
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From the new web site: "Update: the inline renderer is now a native part of the Text_Diff PEAR package. You don't need to use the hack presented here anymore." So just use Text_Diff now.
– Mat
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.htaccess mod_rewrite - how to exclude directory from rewrite rule
...my .htaccess file. I need to exclude two physical directories on my server from these rules, so they can become accessible. For now all requests are sent to index.php file.
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