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Exit Shell Script Based on Process Exit Code
...it after each command, since $? is updated after each command exits. This means that if you execute a pipeline, you'll only get the exit code of the last process in the pipeline.
Another approach is to do this:
set -e
set -o pipefail
If you put this at the top of the shell script, it looks like...
Do threads have a distinct heap?
...rd c runtime on windows and unices uses a shared heap across threads. This means locking every malloc/free.
On Symbian, for example, each thread comes with its own heap, although threads can share pointers to data allocated in any heap. Symbian's design is better in my opinion since it not only el...
How should I escape strings in JSON?
...X, where XXXX is a UTF-16 code unit. For code points outside the BMP, this means encoding surrogate pairs, which can get a bit hairy. (Or, you can just output the character directly, since JSON's encoded for is Unicode text, and allows these particular characters.)
...
What's the purpose of using braces (i.e. {}) for a single-line if or loop?
...al screen space, and this in turn can make your code unreadable because it means you have to scroll more than necessary.
Consider a function with a lot of guard clauses at the beginning (and yes, the following is bad C++ code but in other languages this would be quite a common situation):
void som...
Convert a Unicode string to a string in Python (containing extra symbols)
... His question as written is how to convert a "Unicode string" (whatever he means by that) containing some currency symbols to a "Python string" (whatever ...) and you think that a remove-some-diacritics delete-other-non-ascii characters kludge answers his question???
– John Ma...
Case insensitive string as HashMap key
...
Do you mean do a String.toLowerCase() during lookup?
– r.s
Nov 23 '11 at 3:28
...
What does the “assert” keyword do? [duplicate]
... or disabled" is controlled with the -ea switch and "An error is reported" means that an AssertionError is thrown.
And finally, a lesser known feature of assert:
You can append : "Error message" like this:
assert d != null : "d is null";
to specify what the error message of the thrown Asserti...
if else in a list comprehension [duplicate]
...
that means, if data isn't exist or null it handle this exception from its ownself??
– Shashank
Oct 18 '13 at 6:31
...
jQuery.click() vs onClick
... addEventListener() for the same target.
var myEl = document.getElementById('myelement');
myEl.addEventListener('click', function() {
alert('Hello world');
}, false);
myEl.addEventListener('click', function() {
alert('Hello world again!!!');
}, false);
http://jsfiddle.net/aj55x/1/
...
What is the combinatory logic equivalent of intuitionistic type theory?
... | V a
deriving (Functor, Eq)
infixl 4 :.
Note that I've included the means to include free variables represented by type a in this syntax. Apart from being a reflex on my part (every syntax worthy of the name is a free monad with return embedding variables and >>= perfoming substitution)...