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How to set button click effect in Android?
...ons, and you don't want to write xml-s for every button.
Kotlin Version:
fun buttonEffect(button: View) {
button.setOnTouchListener { v, event ->
when (event.action) {
MotionEvent.ACTION_DOWN -> {
v.background.setColorFilter(-0x1f0b8adf, PorterDuff.Mod...
Is it a good practice to use an empty URL for a HTML form's action attribute? (action=“”)
...mmon problem, but it took me a while to figure out why parts of our legacy site started breaking.
– Asmor
May 24 '18 at 19:36
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Cython: “fatal error: numpy/arrayobject.h: No such file or directory”
... found during compilation.
Try doing export CFLAGS=-I/usr/lib/python2.7/site-packages/numpy/core/include/, and then compiling. This is a problem with a few different packages. There's a bug filed in ArchLinux for the same issue: https://bugs.archlinux.org/task/22326
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Can someone explain the dollar sign in Javascript?
...e easily identified and not mixed up with, say, integers.
The dollar sign function $() in jQuery is a library function that is frequently used, so a short name is desirable.
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How can I quickly sum all numbers in a file?
...
Just for fun, let's benchmark it:
$ for ((i=0; i<1000000; i++)) ; do echo $RANDOM; done > random_numbers
$ time perl -nle '$sum += $_ } END { print $sum' random_numbers
16379866392
real 0m0.226s
user 0m0.219s
sys 0m...
Why are flag enums usually defined with hexadecimal values
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Another fun fact with the x << y notation. 1 << 10 = KB, 1 << 20 = MB, 1 << 30 = GB and so on. It is really nice if you want to make a 16 KB array for a buffer you can just go var buffer = new byte[16 <<...
Chrome desktop notification example [closed]
...ll-documented on MDN and for service workers, on Google's Web Fundamentals site.
Below is a working example of desktop notifications for Chrome, Firefox, Opera and Safari. Note that for security reasons, starting with Chrome 62, permission for the Notification API may no longer be requested from ...
Angular js init ng-model from default values
...n perceived speed or time-to-render for the user experience - many content sites and ecommerce sites would fall into one of these categories. The engineers at twitter, who tried client rendering then moved back to the server to deliver a better user experience, have outlined their reasoning as well...
Flash CS4 refuses to let go
...n't seem to solve the problem. I'm going to chalk this one up to Adobe bug fun tiem. I'm going to mark it as solved, however.
– Ender
Feb 3 '10 at 19:23
294
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NoClassDefFoundError - Eclipse and Android
...to do was check the darn box for the jar in the "Order and Export" screen. Funny thing is that I only had to do this so that it would work on a Nook Tablet emulator. Did not have a problem on devices or other emulators.
– Luis
Jun 12 '12 at 19:58
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