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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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How to create a self-signed certificate with OpenSSL
...ES) if you don't want to protect your private key with a passphrase. Otherwise it will prompt you for "at least a 4 character" password.
The days parameter (365) you can replace with any number to affect the expiration date. It will then prompt you for things like "Country Name", but you can just h...
What is the difference between DSA and RSA?
...e public exponent (e)
for anyone to verify the signature. Everything else is identical.
DSA (Digital Signature Algorithm)
DSA is a variant on the ElGamal and Schnorr algorithms
creates a 320 bit signature, but with 512-1024 bit security
security again rests on difficulty of computing discrete...
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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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...
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 ...
How to convert NSDate into unix timestamp iphone sdk?
...
I believe this is the NSDate's selector you're looking for:
- (NSTimeInterval)timeIntervalSince1970
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What's the difference between faking, mocking, and stubbing?
...UT depends on and instruct the SUT to use it instead of the real.
Stub : This implementation is configured to respond to calls from the SUT with the values (or exceptions) that will exercise the Untested Code (see Production Bugs on page X) within the SUT. A key indication for using a Test Stub is h...