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Capturing Groups From a Grep RegEx
...e using Bash, you don't even have to use grep:
files="*.jpg"
regex="[0-9]+_([a-z]+)_[0-9a-z]*"
for f in $files # unquoted in order to allow the glob to expand
do
if [[ $f =~ $regex ]]
then
name="${BASH_REMATCH[1]}"
echo "${name}.jpg" # concatenate strings
name=...
efficient way to implement paging
...
– Jarrod Dixon♦
May 29 '09 at 10:32
Could you check my question(stackoverflow.com/questions/11100929/…)? I made a...
Why is printing “B” dramatically slower than printing “#”?
...
32
can you elaborate on your research strategies and then what finally led you to find out that line-wrapping was the culprit? (i'm curious ab...
How to configure an existing git repo to be shared by a UNIX group
...
Trevor Boyd Smith
14.6k2323 gold badges9999 silver badges150150 bronze badges
answered Jul 13 '10 at 23:34
David UnderhillDav...
How to open link in new tab on html?
...
Set the 'target' attribute of the link to _blank:
<a href="#" target="_blank" rel="noopener noreferrer">Link</a>
Edit: for other examples, see here: http://www.w3schools.com/tags/att_a_target.asp
(Note: I previously suggested blank instead of _blank beca...
Removing duplicate values from a PowerShell array
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DarkLite1DarkLite1
8,2422323 gold badges8080 silver badges139139 bronze badges
...
How to call a parent method from child class in javascript?
...cessing the parent constructor's prototype methods is possible through the __proto__ property (I am pretty sure there will be fellow JS coders to complain that it's depreciated) which is depreciated but at the same time discovered that it is actually an essential tool for sub-classing needs (especia...
How to delete files older than X hours
I'm writing a bash script that needs to delete old files.
10 Answers
10
...
PHP “php://input” vs $_POST
I have been directed to use the method php://input instead of $_POST when interacting with Ajax requests from JQuery. What I do not understand is the benefits of using this vs the global method of $_POST or $_GET .
...
How do I change the working directory in Python?
... """Context manager for changing the current working directory"""
def __init__(self, newPath):
self.newPath = os.path.expanduser(newPath)
def __enter__(self):
self.savedPath = os.getcwd()
os.chdir(self.newPath)
def __exit__(self, etype, value, traceback):
...