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PHP - Get bool to echo false when false
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echo $bool_val ? 'true' : 'false';
Or if you only want output when it's false:
echo !$bool_val ? 'false' : '';
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How to fix 'android.os.NetworkOnMainThreadException'?
...s thrown when an application attempts to perform a networking operation on its main thread. Run your code in AsyncTask:
class RetrieveFeedTask extends AsyncTask<String, Void, RSSFeed> {
private Exception exception;
protected RSSFeed doInBackground(String... urls) {
try {
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How to Vertical align elements in a div?
I have a div with two images and an h1 . All of them need to be vertically aligned within the div, next to each other.
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Change IPython/Jupyter notebook working directory
When I open a Jupyter notebook (formerly IPython) it defaults to C:\Users\USERNAME .
31 Answers
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What is the most compatible way to install python modules on a Mac?
I'm starting to learn python and loving it. I work on a Mac mainly as well as Linux. I'm finding that on Linux (Ubuntu 9.04 mostly) when I install a python module using apt-get it works fine. I can import it with no trouble.
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How can I check if a view is visible or not in Android? [duplicate]
I set visibility to invisible like this on Android:
4 Answers
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How to get a random number in Ruby
...six-sided die, you'd use: 1 + rand(6). A roll in craps could be simulated with 2 + rand(6) + rand(6).
Finally, if you just need a random float, just call rand with no arguments.
As Marc-André Lafortune mentions in his answer below (go upvote it), Ruby 1.9.2 has its own Random class (that M...
Android: How to enable/disable option menu item on button click?
I can easily do it when I am using onCreateOptionsMenu or onOptionsItemSelected methods.
12 Answers
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Is it a bad practice to use negative margins in Android?
...r been officially supported and won't be supported by ConstraintLayout.
It is easy to work around this limitation though.
Add an helper view (height 0dp, width constrained to parent) at the bottom of your base view, at the bottom add the margin you want.
Then position your view below this one,...
Strange out of memory issue while loading an image to a Bitmap object
I have a list view with a couple of image buttons on each row. When you click the list row, it launches a new activity. I have had to build my own tabs because of an issue with the camera layout. The activity that gets launched for the result is a map. If I click on my button to launch the image pre...