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Difference between java.util.Random and java.security.SecureRandom
...ill find a free, downloadable version of it on the web. And there's plenty more research that clearly shows that you should never use an LCG for security-critical purposes. This also means that your random numbers are predictable right now, something you don't want for session IDs and the like.
How...
What is the use of hashCode in Java?
...ode of the element, then look for the bucket where hash code points to. If more than 1 element is found in the same bucket (multiple objects can have the same hash code), then it uses the equals() method to evaluate if the objects are equal, and then decide if contains() is true or false, or decide ...
How to remove focus around buttons on click
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Regular expression matching a multiline block of text
...n't certain that your target text uses only linefeeds, you should use this more inclusive version of the regex:
re.compile(r"^(.+)(?:\n|\r\n?)((?:(?:\n|\r\n?).+)+)", re.MULTILINE)
BTW, you don't want to use the DOTALL modifier here; you're relying on the fact that the dot matches everything excep...
How to create an array of object literals in a loop?
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What is the easiest way in C# to trim a newline off of a string?
...\n intact in a string of HeresALineForUnixToBeFedFromWindows\n\r\n. While more verbose, John Skeet's answer is probably the best and Scott Weinstein's ReadLine is also more "accurate" (albeit maybe with a bit more overhead)
– b_levitt
Jan 14 '13 at 23:07
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In-memory size of a Python structure
...[GCC 4.3.3] on linux2 Type "help", "copyright", "credits" or "license" for more information. >>> import sys >>> sys.getsizeof(dict) 436 >>> sys.getsizeof(dict()) 136
– LeMiz
Aug 26 '09 at 15:43
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typeof !== “undefined” vs. != null
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Difference between the Facade, Proxy, Adapter and Decorator design patterns? [closed]
...oblem we are solving here is that of non-compatible interfaces.
Facade is more like a simple gateway to a complicated set of functionality. You make a black-box for your clients to worry less i.e. make interfaces simpler.
Proxy provides the same interface as the proxied-for class and typically doe...
Javadoc: package.html or package-info.java
...ndum: The big difference seems to be package annotations. There's a little more in the way of rationale in 7.4 Package Declarations.
Addendum: The annotation feature is also mentioned here and here.
Addendum: See also What’s package-info.java for?.
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