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Get a filtered list of files in a directory
... Oh, I just noticed that the Python docs say glob() "is done by using the os.listdir() and fnmatch.fnmatch() functions in concert, and not by actually invoking a subshell". In other words, glob() doesn't have the efficiency improvements one might expect.
– Ben Hoyt
...
Installing Java on OS X 10.9 (Mavericks)
I have installed the JDK on Mac OS X v10.8 (Mountain Lion). When I upgraded it to Mac OS X v10.9 (Mavericks) and ran java -version in the terminal, it showed:
...
How do I plot in real-time in a while loop using matplotlib?
... within an interactive matplotlib session. To make it work as a standalone script, it's necessary to 1) explicitly select a backend for matplotlib, and 2) to force the figure to be displayed and drawn before entering the animation loop using plt.show() and plt.draw(). I've added these changes to the...
What's the difference between '$(this)' and 'this'?
...ance:
$(".myCheckboxes").change(function(){
if(this.checked)
alert("checked");
});
is easier and purer than
$(".myCheckboxes").change(function(){
if($(this).is(":checked"))
alert("checked");
});
...
Attempt to present UIViewController on UIViewController whose view is not in the window hierarchy
... This answer worked the best for me when trying to display an alert. The alert wouldn't show when I put it into viewDidLoad and viewWillAppear.
– uplearnedu.com
Jan 7 '16 at 21:31
...
What is the relationship between the docker host OS and the container base image OS?
...
As mentioned by BraveNewCurrency, the only relationship between the host OS and the container is the Kernel.
It is one of the main difference between docker and 'regular' virtual machines, there is no overhead, everything takes place directly within the host's kernel.
This is why you can run...
Python multiprocessing PicklingError: Can't pickle
...bit less elegant).
I was running:
python -m profile -o output.pstats <script>
And found that removing the profiling removed the error and placing the profiling restored it. Was driving me batty too because I knew the code used to work. I was checking to see if something had updated pool.p...
Deleting array elements in JavaScript - delete vs splice
...myArray[2];
for (var count = 0; count < myArray.length; count++) {
alert(myArray[count]);
}
Whereas this will display "a", "b", "d"
myArray = ['a', 'b', 'c', 'd']; myArray.splice(2,1);
for (var count = 0; count < myArray.length; count++) {
alert(myArray[count]);
}
...
What is mod_php?
...he PHP executable file, and the server runs that executable, giving it the script you called, each time you visit a page. That means each time you load a page, PHP needs to read php.ini and set its settings, it needs to load all its extensions, and then it needs to start work parsing the script - th...
Get the date (a day before current time) in Bash
...
Advanced Bash-scripting Guide
date +%Y:%m:%d -d "yesterday"
For details about the date format see the man page for date
date --date='-1 day'
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