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Comparing Java enum members: == or equals()?
...h a private constructor or an enum type; also Thread safety in Singleton)
What are the differences between == and equals?
As a reminder, it needs to be said that generally, == is NOT a viable alternative to equals. When it is, however (such as with enum), there are two important differences to cons...
Is there a way to perform “if” in python's lambda
... Sure, but the question was "how do I use if in a lambda?" not "what's the best way to write a lambda that returns True if a number is even?"
– Robert Rossney
Oct 18 '09 at 19:10
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Bootstrap css hides portion of container below navbar navbar-fixed-top
... to me which felt like out of nowhere and i still can't find the source of what broke it to begin with.
– Taylor Brown
Sep 1 '16 at 15:23
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Number of days between two dates in Joda-Time
... @PatrickM Yes, I was. On reflection, it's not clear exactly what constraints this is intended to impose, so I'll remove that last sentence. Thanks!
– Alice Purcell
Feb 11 '15 at 23:28
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What is Common Gateway Interface (CGI)?
...s via standard input and standard output so the program can know where and what to look for.
The main benefit is that you can run ANY executable code from the web, given that both the webserver and the program know how CGI works. That's why you could write web programs in C or Bash with a regular C...
Representing graphs (data structure) in Python
...present a graph in Python ? (Starting from scratch i.e. no libraries!) What data structure (e.g. dicts/tuples/dict(tuples)) will be fast but also memory efficient? One must be able to do various graph operations on it.
As pointed out, the various graph representations might help. How doe...
Why seal a class?
I'd like to hear what is the motivation behind the bulk of sealed classes in the .Net framework. What is the benefit of sealing a class? I cannot fathom how not allowing inheritance can be useful and most likely not the only one fighting these classes.
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How to get first character of a string in SQL?
...he same result: SUBSTRING (my_column, 1, 1) = SUBSTRING (my_column, 0, 2). What is it in position 0?
– FrenkyB
Aug 26 '19 at 6:46
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How do I find out what keystore my JVM is using?
...correct way (Why doesn't java know to look within JAVA_HOME?), but this is what I had to do to get it working.
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Reading 64bit Registry from a 32bit application
...fiddle
If you're interested, here are some examples I put together showing what else you can do with the tool.
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