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Does JavaScript have “Short-circuit” evaluation?
...ent, as in times of JIT-compiling-magic in javascript implementations, one does really want to know if something is "the standard" , or potentially subject to the implementation. The way a condition statement with Binary Logical Operators is evaluated and (short-curcuit) is a standard behavior ecma-...
can we use xpath with BeautifulSoup?
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Nope, BeautifulSoup, by itself, does not support XPath expressions.
An alternative library, lxml, does support XPath 1.0. It has a BeautifulSoup compatible mode where it'll try and parse broken HTML the way Soup does. However, the default lxml HTML parser ...
Random / noise functions for GLSL
...ow.com/questions/11293628/…. The github.com/ashima/webgl-noise project does not seem to have lowp issues.
– P.T.
Apr 6 '13 at 2:50
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What is the purpose of the word 'self'?
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The reason you need to use self. is because Python does not use the @ syntax to refer to instance attributes. Python decided to do methods in a way that makes the instance to which the method belongs be passed automatically, but not received automatically: the first parameter...
iOS: How does one animate to new autolayout constraint (height)
... you need to call layout if needed on those views too. however it doesn't really work properly as this will animate the view refresh as well. How do u animate the constraint adjustment only in the other views?
– ngb
Aug 24 '13 at 12:58
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Best Practice for Forcing Garbage Collection in C#
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Calling GC before the measured block actually does not models the situation in production, because in production the GC will be done in unpredictable times. To mitigate that, you should take a long measurement that will include several GC executions, and factor the peaks...
What is sharding and why is it important?
...med just in that database. You may not like the terminology used, but this does represent a different way of organizing a logical database into smaller parts.
Update: You wont break MVC. The work of determining the correct shard where to store the data would be transparently done by your data acce...
How do I make a batch file terminate upon encountering an error?
...enabled/disabled or command extensions (required for neq) enabled/disabled does not matter on using if not errorlevel 1 exit /B as explained by Microsoft in support article Using command redirection operators and in help output on running if /? in a cmd window. The current errorlevel (exit code) is ...
Why does Date.parse give incorrect results?
...rpreted as UTC, while the other is interpreted as local. That's why:
This doesn't produce equivalent results:
console.log(new Date(Date.parse("Jul 8, 2005")).toString()); // Local
console.log(new Date(Date.parse("2005-07-08")).toString()); // UTC
This does:
console.log(new Date(Date.parse("Jul...
Difference between onStart() and onResume()
...ing an app (your app) and they suddenly get a phone call? The app designer doesn't explicitly call the Activity life-cycle methods - it's the Android OS which does it and it does it very efficiently (assuming the app developer knows what they're doing and also codes efficiently). If you do a lot of ...