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Difference between Inheritance and Composition
...ill need do a babysit for example now super class X change the method name from do to doing....then sub class Y will also need to be maintained (needs to be changed as well) this is still tight coupling? And how do we get rid of it?
– stuckedoverflow
Nov 4 '18 ...
What is MOJO in Maven?
...d (mojo). I approximately understand what it means, but I would not refuse from a good explanation. I tried to google, but found only non-maven explanations.
...
C++: Rounding up to the nearest multiple of a number
... + multiple - 1) / multiple) * multiple;
}
This works like rounding away from zero for negative numbers
EDIT: Version that works also for negative numbers
int roundUp(int numToRound, int multiple)
{
assert(multiple);
int isPositive = (int)(numToRound >= 0);
return ((numToRound + ...
PHP script to loop through all of the files in a directory?
...
You can use the DirectoryIterator. Example from php Manual:
<?php
$dir = new DirectoryIterator(dirname(__FILE__));
foreach ($dir as $fileinfo) {
if (!$fileinfo->isDot()) {
var_dump($fileinfo->getFilename());
}
}
?>
...
Why do I get a segmentation fault when writing to a “char *s” initialized with a string literal, but
...stored in read-only memory when the program is run. This is to prevent you from accidentally changing a string constant. In your first example, "string" is stored in read-only memory and *str points to the first character. The segfault happens when you try to change the first character to 'z'.
In t...
How to retrieve absolute path given relative
.../.bashrc
To avoid expanding symlinks, use realpath -s.
The answer comes from "bash/fish command to print absolute path to a file".
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Count number of days between two dates
.... In fact since they are using Rails it's most likely the dates are coming from ActiveRecord which will automatically cast them to date objects. The given text is identical to Date object representation as well, making it highly likely it's come from a native source.
– Andrew F...
Installing PIL with pip
...
Install
pip install Pillow
Then, Just import in your file like,
from PIL import Image
I am using windows. It is working for me.
NOTE:
Pillow is a functional drop-in replacement for the Python Imaging
Library. To run your existing PIL-compatible code with Pillow, it
needs to...
When should I use the “strictfp” keyword in java?
...
Strictfp ensures that you get exactly the same results from your floating point calculations on every platform. If you don't use strictfp, the JVM implementation is free to use extra precision where available.
From the JLS:
Within an FP-strict expression, all
intermediate...
What optimizations can GHC be expected to perform reliably?
...found.
Hsc static flags: -static
*** Chasing dependencies:
Chasing modules from: *SleepSort.hs
Stable obj: [Main]
Stable BCO: []
Ready for upsweep
[NONREC
ModSummary {
ms_hs_date = Tue Oct 18 22:22:11 CDT 2011
ms_mod = main:Main,
ms_textual_imps = [import (implicit...