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What's the best way to detect a 'touch screen' device using JavaScript?
...m using jquery-mobile.js to detect the touch screen events and it works on iOS, Android etc., but I'd also like to write conditional statements based on whether the user's device has a touch screen.
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How to run a command before a Bash script exits?
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Here's an example of using trap:
#!/bin/bash -e
function cleanup {
echo "Removing /tmp/foo"
rm -r /tmp/foo
}
trap cleanup EXIT
mkdir /tmp/foo
asdffdsa #Fails
Output:
dbrown@luxury:~ $ sh traptest
t: line 9: asdffdsa: command not found
Removing /tmp/foo
dbrown@luxury:~ ...
Keyboard Interrupts with python's multiprocessing Pool
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This is a Python bug. When waiting for a condition in threading.Condition.wait(), KeyboardInterrupt is never sent. Repro:
import threading
cond = threading.Condition(threading.Lock())
cond.acquire()
cond.wait(None)
print "done"
The KeyboardInterrupt exception won't be...
Anaconda vs. EPD Enthought vs. manual installation of Python [closed]
What are the relative merits / downsides of various Python bundles (EPD / Anaconda) vs. a manual install?
4 Answers
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How to horizontally center a
...g on your html page to make it work well on IE.
– Fabio
Jan 28 '12 at 14:23
15
Note that it may b...
Single vs Double quotes (' vs ")
... requires that all attribute values be delimited using either double quotation marks (ASCII decimal 34) or single quotation marks (ASCII decimal 39). Single quote marks can be included within the attribute value when the value is delimited by double quote marks, and vice versa. Authors may also use ...
How to make a Bootstrap accordion collapse when clicking the header div?
In a Bootstrap accordion, instead of requiring a click on the a text, I want to make it collapse when clicking anywhere in the panel-heading div.
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How to atomically delete keys matching a pattern using Redis
...use of performance maters, keys
command should not use for regular operations in production, this
command is intended for debugging and special operations. read
more
See the EVAL documentation.
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How do you move a commit to the staging area in git?
... (effectively putting the branch in the state that it would have been in prior to the commit) - how do you do it? Or is it something that you can't do?
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Calculate MD5 checksum for a file
..., and I want to see if the PDF has been modified. If the text and modification date cannot be obtained, is a MD5 checksum the most reliable way to tell if the file has changed?
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