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Programmatically set height on LayoutParams as density-independent pixels
...
/**
* Get conversion rate from dp into px.<br>
* E.g. to convert 100dp: px = (int) (100 * convRate);
* @param context e.g. activity
* @return conversion rate
*/
public static float convRateDpToPx(Context context) {
return context.getResources().getDisplayMetrics().densityDpi / 160f;...
Bootstrap 3 Flush footer to bottom. not fixed
...page has more content.
CSS
* {
margin: 0;
}
html, body {
height: 100%;
}
.wrapper {
min-height: 100%;
height: 100%;
margin: 0 auto -155px; /* the bottom margin is the negative value of the footer's height */
}
.footer, .push {
height: 155px; /* .push must be the same height...
Is memcached a dinosaur in comparison to Redis? [closed]
...this issue from the perspective getting down the who is faster at the < 100 ms range, look at the performance per "class" of the software.
Does it use only local ram? -> fastest
Does it use remote ram? -> fast
Does it use ram plus hardddisk -> oh hurm.
Does it use only harddisk -> r...
Unicode equivalents for \w and \b in Java regular expressions?
... 7F the ASCII range
80 .. FF the non-ASCII Latin1 range
100 .. FFFF the non-Latin1 BMP (Basic Multilingual Plane) range
10000 .. 10FFFF the non-BMP portion of Unicode (the "astral" planes)
However, people often want a different sort of boundary. They want something that...
What is Vim recording and how can it be disabled?
... hit any number before the @ to replay the recording that many times like (100@<letter>) will play your actions 100 times
– Tolga E
Aug 17 '13 at 3:07
7
...
Get first key in a (possibly) associative array?
...s time I found the foreach only about twice as fast as reset/key. I used a 100-key array and ran each method a million times to get some noticeable difference, here's code of the simple benchmark:
$array = [];
for($i=0; $i < 100; $i++)
$array["key$i"] = $i;
for($i=0, $start = microtime(true...
How to create relationships in MySQL
... is the code try it though the first people to answer this question
they 100% provided great answers and please consider them all .
CREATE TABLE accounts(
account_id INT NOT NULL AUTO_INCREMENT,
customer_id INT( 4 ) NOT NULL ,
account_type ENUM( 'savings', 'credit' ) NOT NULL,
bal...
How to set a stroke-width:1 on only certain sides of SVG shapes?
...,50,150 }
.left { stroke-dasharray: 150,50 }
.bottom { stroke-dasharray: 100,50 }
.right { stroke-dasharray: 50,50,100 }
<svg height="300">
<rect x="0.5" y="0.5" width="50" height="50" class="top"/>
<rect x="0.5" y="60.5" width="50" height="50" class="left"/>
<...
Heavy usage of Python at Google [closed]
...ning any new system is,
"what happens when the load goes up
by 10x or 100x? What happens if the
whole planet thinks your new service
is awesome?" Any technology that makes
satisfying that constraint harder --
and I think Python falls into this
category -- should be discouraged if
...
Difference between abstraction and encapsulation?
...
+100
Most answers here focus on OOP but encapsulation begins much earlier:
Every function is an encapsulation; in pseudocode:
point x ...