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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 ...
Refresh image with a new one at the same url
...ge.src = "http://localhost/image.jpg?" + new Date().getTime();
This will append the current timestamp automatically when you are creating the image, and it will make the browser look again for the image instead of retrieving the one in the cache.
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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
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