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Android: Access child views from a ListView
...ething like:
int wantedPosition = 10; // Whatever position you're looking for
int firstPosition = listView.getFirstVisiblePosition() - listView.getHeaderViewsCount(); // This is the same as child #0
int wantedChild = wantedPosition - firstPosition;
// Say, first visible position is 8, you want posi...
How to resolve the C:\fakepath?
...
Just post the form: the browser will take care of the upload. Your web site doesn't need to know the full path back on the client.
– Rup
Jan 31 '11 at 14:09
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Undo git pull, how to bring repos to old state
...or undo git pull so that my source/repos will come to old state that was before doing git pull ?
I want to do this because it merged some files which I didn't want to do so, but only merge other remaining files. So, I want to get those files back, is that possible?
...
Why do we use Base64?
...oding and Base64 encoding are interchangeable. They are not. They are used for different purposes.
When you encode text in ASCII, you start with a text string and convert it to a sequence of bytes.
When you encode data in Base64, you start with a sequence of bytes and convert it to a text string. ...
Conveniently map between enum and int / String
...te, V>();
public ReverseEnumMap(Class<V> valueType) {
for (V v : valueType.getEnumConstants()) {
map.put(v.convert(), v);
}
}
public V get(byte num) {
return map.get(num);
}
}
This solution is nice and doesn't require 'fiddling with ref...
adb shell command to make Android package uninstall dialog appear
... can you please tell what -d package:<your app package> stands for? any documentation is there?
– Rinkal Bhanderi
Oct 18 '12 at 9:10
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Why does z-index not work?
...ition: sticky; that is supported in Firefox, is prefixed in Safari, worked for a time in older versions of Chrome under a custom flag, and is under consideration by Microsoft to add to their Edge browser.
Important
For regular positioning, be sure to include position: relative on the elements where...
Why is the shovel operator (
...< alters the original string rather than creating a new one. The reason for this is that in ruby a += b is syntactic shorthand for a = a + b (the same goes for the other <op>= operators) which is an assignment. On the other hand << is an alias of concat() which alters the receiver in-...
MySQL: Fastest way to count number of rows
...ed when you are selecting rows but still need to know the total row count (for example, for paging).
When you select data rows, just append the SQL_CALC_FOUND_ROWS keyword after SELECT:
SELECT SQL_CALC_FOUND_ROWS [needed fields or *] FROM table LIMIT 20 OFFSET 0;
After you have selected needed ro...
Bring element to front using CSS
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good point about all elements must have z-index for it to work. thanks!
– Salah Saleh
Feb 19 '16 at 18:48
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