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Why do I get an UnsupportedOperationException when trying to remove an element from a List?
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LinkedList vs ArrayList -->There is a performance test graph from Ryan. LinkedList is faster in removing.
– torno
Jul 1 '15 at 8:57
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How to get current CPU and RAM usage in Python?
...s more concepts and interest concepts:
https://psutil.readthedocs.io/en/latest/
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Expand Python Search Path to Other Source
...ample:
PYTHONPATH=$PYTHONPATH:$HOME/adaifotis/project
In addition to testing your PYTHONPATH environment variable, as David explains, you can test it in python like this:
$ python
>>> import project # should work if PYTHONPATH set
>>> import sys
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What are the disadvantages of using persistent connection in PDO
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On my tests I had a connection time of over a second to my localhost, thus assuming I should use a persistent connection. Further tests showed it was a problem with 'localhost':
Test results in seconds (measured by php microtime):...
How to redirect the output of a PowerShell to a file during its execution
...hat the user types and all output that appears on the console". However, I tested Start-Transcript in Powershell 2.0, and found @Richard is right, standard error isn't saved to the transcript. This sucks!
– Colonel Panic
Jul 5 '12 at 13:09
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How to read file from relative path in Java project? java.io.File cannot find the path specified
...me package? In my instance I'm trying to open a file which is located in a test package.
– Robin Newhouse
Oct 9 '14 at 1:19
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How do I find a default constraint using INFORMATION_SCHEMA?
I'm trying to test if a given default constraint exists. I don't want to use the sysobjects table, but the more standard INFORMATION_SCHEMA.
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How can I check if a var is a string in JavaScript?
... Is it not possible to check if a variable is a string by simply testing for the presence of a member that only strings have? For example: if(myVar.toUpperCase) alert('I am a string');? See: jsfiddle.net/tb3t4nsx
– ingredient_15939
Mar 31 '15 at 15:39...
Is there a way to add/remove several classes in one single instruction with classList?
...HTMLElement.classList spec didn't allow multiple
// arguments, easy to test for
if (!dummy.classList.contains('class2')) {
dtp.add = function () {
Array.prototype.forEach.call(arguments, add.bind(this));
};
dtp.remove = function () {
Array.p...
Wait for a process to finish
...ect if the process is running to replace the kill -0 $pid call. On Linux, test -d "/proc/$pid" works, on other systems you might have to use pgrep (if available) or something like ps | grep "^$pid ".
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