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How to access random item in list?
I have an ArrayList, and I need to be able to click a button and then randomly pick out a string from that list and display it in a messagebox.
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How do I invert BooleanToVisibilityConverter?
...s fine, but I'd like one of the controls to hide if the boolean is true , and show if it's false .
17 Answers
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warning: incompatible implicit declaration of built-in function ‘xyz’
...is int if I recall correctly. Now, GCC has built-in definitions for some standard functions. If an implicit declaration does not match the built-in definition, you get this warning.
To fix the problem, you have to declare the functions before using them; normally you do this by including the appro...
Changing overflow icon in the action bar
...overflow icon in the action bar? I have blue icons for all ActionBar items and I also want to change the overflow icon when it appears.
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How do I set environment variables from Java?
...s to start, though, so I'd rather modify the current process's environment and let the subprocesses inherit it.
19 Answers
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JavaScript equivalent of PHP’s die
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this is absolutely the answer and works just like die(); however one should not care for the red "1 Error" of firebug!
– Alexar
Dec 21 '10 at 23:52
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Accessing dict_keys element by index in Python3
...without providing a solution. This is excellent!
– Brandon Bradley
Jun 10 '14 at 15:38
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Postgresql 9.2 pg_dump version mismatch
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I encountered this while using Heroku on Ubuntu, and here's how I fixed it:
Add the PostgreSQL apt repository as described at "Linux downloads (Ubuntu)
". (There are similar pages for other operating systems.)
Upgrade to the latest version (9.3 for me) with:
sudo apt-ge...
javascript scroll event for iPhone/iPad?
... stops panning—an onscroll event is generated when the page stops moving and redraws—as shown in Figure 6-1.
Similarly, scroll with 2 fingers fires onscroll only after you've stopped scrolling.
The usual way of installing the handler works e.g.
window.addEventListener('scroll', f...
Auto-fit TextView for Android
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Thanks to MartinH's simple fix here, this code also takes care of android:drawableLeft, android:drawableRight, android:drawableTop and android:drawableBottom tags.
My answer here should make you happy Auto Scale TextView Text to Fit within Bounds
I have modified your test case:
@Overri...