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memory_get_peak_usage() with “real usage”
... to true the PHP DOCS say it will get the real size of memory allocated from system. If it's false it will get the memory reported by emalloc()
...
Difference between Activity and FragmentActivity
...gmentActivity inherits the getLoaderManager and getFragmentManager methods from Activity and as a result the compiler won't complain. Chances are you are importing the incorrect LoaderManager and FragmentManager classes too. Make sure you are importing these classes from the support package (android...
When to use valueChangeListener or f:ajax listener?
...be invoked when the form is submitted and the submitted value is different from the initial value. It's thus not invoked when only the HTML DOM change event is fired. If you would like to submit the form during the HTML DOM change event, then you'd need to add another <f:ajax/> without a liste...
How can I check in a Bash script if my local Git repository has changes?
...t you meant was:
if [ -n "$CHANGED" ]; then
VN="$VN-mod"
fi
A quote from Git's GIT-VERSION-GEN:
git update-index -q --refresh
test -z "$(git diff-index --name-only HEAD --)" ||
VN="$VN-dirty"
It looks like you were copying that, but you just forgot that detail of quoting.
Of course, you c...
Why is  appearing in my HTML? [duplicate]
...Sublime Text, just open the offending file and choose "Save with Encoding" from the File menu and choose UTF-8.
– Emanuele Ciriachi
Oct 20 '17 at 12:34
add a comment
...
how does multiplication differ for NumPy Matrix vs Array classes?
... rules of linear algebra
some code snippets to illustrate:
>>> from numpy import linalg as LA
>>> import numpy as NP
>>> a1 = NP.matrix("4 3 5; 6 7 8; 1 3 13; 7 21 9")
>>> a1
matrix([[ 4, 3, 5],
[ 6, 7, 8],
[ 1, 3, 13],
[ 7, 21, 9...
How do I create a copy of an object in PHP?
...e same object without being references to the same value. This can be seen from this example: $a = new stdClass; $b =& $a; $a = 42; var_export($b); here $b is a reference to the variable $a; if you replace =& with a normal =, it is not a reference, and still points to the original object.
...
How do I calculate a point on a circle’s circumference?
...loat radius, float angleInDegrees, PointF origin)
{
// Convert from degrees to radians via multiplication by PI/180
float x = (float)(radius * Math.Cos(angleInDegrees * Math.PI / 180F)) + origin.X;
float y = (float)(radius * Math.Sin(angleInDegrees * Math.PI / 180...
Difference between Git and GitHub
...en source distributed version control system designed to handle everything from small to very large projects with speed and efficiency"
Git is a distributed peer-peer version control system. Each node in the network is a peer, storing entire repositories which can also act as a multi-node distribu...
Add default value of datetime field in SQL Server to a timestamp
I've got a table that collects forms submitted from our website, but for some reason, when they created the table, they didn't put a timestamp in the table. I want it to enter the exact date and time that the record was entered.
...