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How can a Java variable be different from itself?
...same with Double.NaN.
From JLS §15.21.1. Numerical Equality Operators == and !=:
Floating-point equality testing is performed in accordance with the rules of the IEEE 754 standard:
If either operand is NaN, then the result of == is false but the result of != is true.
Indeed, the test x!=x is tru...
What is the list of supported languages/locales on Android?
...r different languages. Where can I find the supported list of languages on Android?
14 Answers
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This Row already belongs to another table error when trying to add rows?
I have a DataTable which has some rows and I am using the select to filter the rows to get a collection of DataRows which I then loop through using foreach and add it to another DataTable, but it is giving me the error "This Row already belongs to another table". Here is the code:
...
Get the current fragment object
...ich object is currently there
Call findFragmentById() on FragmentManager and determine which fragment is in your R.id.frameTitle container.
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When deleting remote git branch “error: unable to push to unqualified destination”
...
Your answer is awesome. Short and about the essence!
– 1nstinct
Oct 22 '15 at 18:12
...
Clear Application's Data Programmatically
...ationUserData().
I highly recommend using it in new applications:
import android.os.Build.*;
if (VERSION_CODES.KITKAT <= VERSION.SDK_INT) {
((ActivityManager)context.getSystemService(ACTIVITY_SERVICE))
.clearApplicationUserData(); // note: it has a return value!
} else {
// ...
Can I have an onclick effect in CSS?
...he style when the mouse button is held down. The only way to apply a style and keep it applied onclick is to use a bit of JavaScript.
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How can I do width = 100% - 100px in CSS?
... for example it was displaying as calc(94%), I had to escape it as follows and now it works width: calc(~"100% - 6px");
– nsilva
Apr 19 '16 at 12:53
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How does !!~ (not not tilde/bang bang tilde) alter the result of a 'contains/included' Array method
...returns the index of the item in the array if the first argument is found, and it returns -1 if its not found. This means that if you're looking for a boolean of "is this value in the array?", you can't do a boolean comparison, since -1 is a truthy value, and when $.inArray returns 0 (a falsy value)...
HTML inside Twitter Bootstrap popover
...since it belongs to <a href="#" that's why it wasn't working, change it and it's all good.
Here is working JSFiddle which shows you how to create bootstrap popover.
Relevant parts of the code is below:
HTML:
<!--
Note: Popover content is read from "data-content" and "title" tags.
-->
<a...