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Re-raise exception with a different type and message, preserving existing information
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Python 3 introduced exception chaining (as described in PEP 3134). This allows, when raising an exception, to cite an existing exception as the “cause”:
try:
frobnicate()
except KeyError as exc:
raise ValueError("Bad grape") from exc
The caught exception (exc, a KeyError) ...
iOS: Access app-info.plist variables in code
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answered Mar 2 '12 at 8:24
DamoDamo
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RuntimeError on windows trying python multiprocessing
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183
On Windows the subprocesses will import (i.e. execute) the main module at start. You need to i...
jQuery posting valid json in request body
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1 Answer
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what's the meaning of '=?' in angularJS directive isolate scope declaration?
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Multiple inputs with same name through POST in php
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answered Oct 24 '11 at 19:13
EricEric
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Creating PHP class instance with a string
...ther cool stuff you can do in php are:
Variable variables:
$personCount = 123;
$varname = 'personCount';
echo $$varname; // echo's 123
And variable functions & methods.
$func = 'my_function';
$func('param1'); // calls my_function('param1');
$method = 'doStuff';
$object = new MyClass();
$obj...
Why does SIGPIPE exist?
... can only occur as the result of a write() , which can (and does) return -1 and set errno to EPIPE ... So why do we have the extra overhead of a signal? Every time I work with pipes I ignore SIGPIPE and have never felt any pain as a result, am I missing something?
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Numpy array dimensions
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513
It is .shape:
ndarray.shape
Tuple of array dimensions.
Thus:
>>> a.shape
(2, ...
GitHub: What is a “wip” branch?
...was browsing GitHub repositories I quite often saw "wip" branches (e.g. 3.1.0-wip ). What does "wip" mean?
3 Answers
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