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How to convert NSDate into unix timestamp iphone sdk?
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I believe this is the NSDate's selector you're looking for:
- (NSTimeInterval)timeIntervalSince1970
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Collections.emptyMap() vs new HashMap()
...re I can use Collections.emptyMap() ? The Documentation says I can use this method if I want my collection to be immutable.
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LINQ: Not Any vs All Don't
Often I want to check if a provided value matches one in a list (e.g. when validating):
8 Answers
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Modify tick label text
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Caveat: Unless the ticklabels are already set to a string (as is usually the case in e.g. a boxplot), this will not work with any version of matplotlib newer than 1.1.0. If you're working from the current github master, this won't work. I'm not sure what the problem is yet... It may ...
Elegant ways to support equivalence (“equality”) in Python classes
When writing custom classes it is often important to allow equivalence by means of the == and != operators. In Python, this is made possible by implementing the __eq__ and __ne__ special methods, respectively. The easiest way I've found to do this is the following method:
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Best practice for Python assert
...ess than zero throughout the function. You can use class descriptors. Here is an example:
class LessThanZeroException(Exception):
pass
class variable(object):
def __init__(self, value=0):
self.__x = value
def __set__(self, obj, value):
if value < 0:
rais...
How to bring back “Browser mode” in IE11?
...E11 preview; browser mode had returned in final release of IE11. But there is a catch: it is next to useless, because it does not emulate conditional comments. For example, if you use them to enable HTML5 support in legacy IEs, you will no longer be able to debug your site in IE11.
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What is 'Pattern Matching' in functional languages?
...ding about functional programming and I've noticed that Pattern Matching is mentioned in many articles as one of the core features of functional languages.
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What is difference between XML Schema and DTD?
I have googled this question, but I do not understand clearly what is an XML schema and DTD (document type definition), and why the XML schema is more powerful compared to DTD.
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How do I hide javascript code in a webpage?
Is it possible to hide the Javascript code from the html of a webpage, when the source code is viewed through the browsers View Source feature?
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