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How do I auto-hide placeholder text upon focus using css or jquery?
... not working. stackblitz.com/edit/angular-jd2l6y-frudzk?file=app/…
– its me
Mar 20 '18 at 10:37
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show 1 more comment
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Android: How to enable/disable option menu item on button click?
..., disable, or
enable menu items depending on the
current state of your application.
E.g.
@Override
public boolean onPrepareOptionsMenu (Menu menu) {
if (isFinalized) {
menu.getItem(1).setEnabled(false);
// You can also use something like:
// menu.findItem(R.id.exa...
Programmatically access currency exchange rates [closed]
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"iGoogle was retired on November 1, 2013", your app doesn't work any more
– yegor256
Nov 5 '13 at 11:15
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Installing a local module using npm?
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This is the only sane looking approach I've seen so far - why npm has to be so obscure/obtuse w. regards to creating a local package, installing it and then using it, I don't know... link works, (and its great), but the terminology is rather confusing.
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How to calculate a time difference in C++
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I tried this on Mac 10.7 . my app executes a 100 mb file in 15 seconds, but the diff time is reporting 61 seconds. Not much use. I think time() is probably better.
– Miek
Sep 23 '13 at 22:33
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Detect If Browser Tab Has Focus
...cause it runs the risk of overriding some other event listener in a larger application. You should instead follow this answer: stackoverflow.com/a/21935031/549503
– mmmeff
Sep 21 '18 at 22:32
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MySQL vs PostgreSQL for Web Applications [closed]
I am working on a web application using Python (Django) and would like to know whether MySQL or PostgreSQL would be more suitable when deploying for production.
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How to trick an application into thinking its stdout is a terminal, not a pipe
...options] [file]
Make a typescript of a terminal session.
Options:
-a, --append append the output
-c, --command <command> run command rather than interactive shell
-e, --return return exit code of the child process
-f, --flush run ...
How to create a zip archive of a directory in Python?
...n subpackages as the entry point from a zipped archive.)
Zipping a Python app:
If you have python3.5+, and specifically want to zip up a Python package, use zipapp:
$ python -m zipapp myapp
$ python myapp.pyz
share
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How to get a Fragment to remove itself, i.e. its equivalent of finish()?
I'm converting an app to use fragments using the compatibility library.
Now currently I have a number of activities (A B C D) which chain onto one another, D has a button 'OK' which when pressed calls finish which then bubbles up through onActivityResult() to additionally destroy C and B.
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