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Most efficient conversion of ResultSet to JSON?
...e following code converts a ResultSet to a JSON string using JSONArray and JSONObject .
14 Answers
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Vim - how to run a command immediately when starting vim?
...o early, check :h startup:
At startup, Vim checks environment variables and files and sets values
accordingly. Vim proceeds in this order:
1. Set the 'shell' and 'term' option *SHELL* *COMSPEC* *TERM*
2. Process the arguments
3. Execute Ex commands, from environment variables and...
Compiling with cython and mingw produces gcc: error: unrecognized command line option '-mno-cygwin'
... using mingw (64-bit).
I'm working with Python 2.6 (Active Python 2.6.6) and with the adequate distutils.cfg file (setting mingw as the compiler)
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Is there a “not equal” operator in Python?
...son operators. For comparing object identities, you can use the keyword is and its negation is not.
e.g.
1 == 1 # -> True
1 != 1 # -> False
[] is [] #-> False (distinct objects)
a = b = []; a is b # -> True (same object)
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Time complexity of Euclid's Algorithm
...ow what happens over two iterations:
a', b' := a % b, b % (a % b)
Now a and b will both decrease, instead of only one, which makes the analysis easier. You can divide it into cases:
Tiny A: 2a <= b
Tiny B: 2b <= a
Small A: 2a > b but a < b
Small B: 2b > a but b < a
Equal: a ==...
How to set the font size in Emacs?
...Emacs, set-face-attribute is indeed missing from M-x (execute-extended-command), but it is present in M-: (eval-expression) and C-h f (describe-function). M-: is probably what you want, if you don't want to put this in your .emacs file.
– Rory O'Kane
May 9 '13 ...
Can Google Chrome open local links?
...urity flaw" but it also provides essential functionality in some instances and Chrome could give us the ability to enable it for certain URL's, with a warning and research to figure out how to do it, rather than just disabling it wholesale
– Arcan.NET
Dec 11 '1...
Where are static methods and static variables stored in Java?
...stance related).
Update for clarification:
Note that only the variables and their technical values (primitives or references) are stored in PermGen space.
If your static variable is a reference to an object that object itself is stored in the normal sections of the heap (young/old generation or...
Suppressing “warning CS4014: Because this call is not awaited, execution of the current method conti
...
This is a handy little language feature that I just cannot remember. It's like there's a _ = ... in my brain.
– Marc L.
Mar 14 '18 at 14:29
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Writing a compiler in its own language
...nguage Foo. You use the first bootstrap compiler to compile the compiler, and then use this compiled compiler to compile everything else (including future versions of itself).
Most languages are indeed created in this fashion, partially because language designers like to use the language they are ...