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Which is more efficient, a for-each loop, or an iterator?
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If you are just wandering over the collection to read all of the values, then there is no difference between using an iterator or the new for loop syntax, as the new syntax just uses the iterator underwater.
If however, you mean by loop the ...
How do you get a timestamp in JavaScript?
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A unary operator like plus triggers the valueOf method in the Date object and it returns the timestamp (without any alteration).
Details:
On almost all current browsers you can use Date.now() to get the UTC timestamp in milliseconds; a notable exception to this is IE8 and earlier (see compatibili...
What is the correct way to document a **kwargs parameter?
I'm using sphinx and the autodoc plugin to generate API documentation for my Python modules. Whilst I can see how to nicely document specific parameters, I cannot find an example of how to document a **kwargs parameter.
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Split a String into an array in Swift?
... that String no longer adopts the SequenceType or CollectionType protocols and you must instead use the .characters property to access a CharacterView type representation of a String instance. (Note: CharacterView does adopt SequenceType and CollectionType protocols).
let fullName = "First Last"
le...
Regex for quoted string with escaping quotes
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/"(?:[^"\\]|\\.)*"/
Works in The Regex Coach and PCRE Workbench.
Example of test in JavaScript:
var s = ' function(){ return " Is big \\"problem\\", \\no? "; }';
var m = s.match(/"(?:[^"\\]|\\.)*"/);
if (m != null)
alert(m);
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Is there a difference between using a dict literal and a dict constructor?
...ch should make it a tiny bit faster
the second looks up dict in locals() and then globals() and the finds the builtin, so you can switch the behaviour by defining a local called dict for example although I can't think of anywhere this would be a good idea apart from maybe when debugging
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Check if application is on its first run [duplicate]
I am new to android development and and I want to setup some of application's attributes based on Application first run after installation. Is there any way to find that the application is running for the first time and then to setup its first run attributes?
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Swift Bridging Header import issue
Following instructions, I've created a bridging header and added to my project. Unfortunately, the following error occurred:
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How to iterate over the keys and values in an object in CoffeeScript?
...ld not initialise arr as arr = [], you should use arr = {}. In Javascript (and Coffeescript) arrays have numeric indices. Objects behave like associative arrays/dicts.
– Morgan Harris
Mar 18 '13 at 3:55
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How to convert jsonString to JSONObject in Java
... @Gubatron Thanks dude you are right i have just downloaded it and make jar so now its working fine.
– Mr. Sajid Shaikh
Mar 10 '11 at 5:45
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