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Can code that is valid in both C and C++ produce different behavior when compiled in each language?
...haracter ('a') in C/C++ for an explanation of the difference.
Another one from this article:
#include <stdio.h>
int sz = 80;
int main(void)
{
struct sz { char c; };
int val = sizeof(sz); // sizeof(int) in C,
// sizeof(struct sz) in C++
prin...
Get key by value in dictionary
... a list of pairs would discard the context that one item is a 'definition' from the other, e.g. in parameter lists...
– Louis Maddox
Oct 13 '16 at 13:20
...
initialize a numpy array
... know how big the array will end up being. For example, when reading data from a file or another process. It isn't really as awful as it may seem at first since python and numpy are pretty clever.
– travc
Feb 9 '13 at 22:55
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How to determine whether a Pandas Column contains a particular value
...
Starting from pandas 0.24.0 , using s.values and df.values is highly discoraged. See this. Also, s.values is actually much slower in some cases.
– Qusai Alothman
Feb 1 '19 at 7:09
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WiX tricks and tips
...which goes into more detail and fixes an edge case when properties are set from the command line.
Examples using 1. 2. and 3.
<?include $(sys.CURRENTDIR)\Config.wxi?>
<Product ... >
<Package InstallerVersion="200" InstallPrivileges="elevated"
InstallScope="perMachine" P...
How to set a binding in Code?
...
Your source should be just ViewModel, the .SomeString part is evaluated from the Path (the Path can be set by the constructor or by the Path property).
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How to mock an import
...nditions I'd like to mock B in A (mock A.B ) and completely refrain from importing B .
8 Answers
...
Python date string to date object
...").date()
but you still get the traceback above.
Answer:
>>> from dateutil.parser import parse
>>> from datetime import datetime
>>> parse("2015-02-24T13:00:00-08:00")
datetime.datetime(2015, 2, 24, 13, 0, tzinfo=tzoffset(None, -28800))
...
Cron and virtualenv
I am trying to run a Django management command from cron. I am using virtualenv to keep my project sandboxed.
9 Answers
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What's the maximum value for an int in PHP?
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From the PHP manual:
The size of an integer is
platform-dependent, although a maximum
value of about two billion is the
usual value (that's 32 bits signed).
PHP does not support unsigned
integers. Integer size can be
determi...