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How to check an Android device is HDPI screen or MDPI screen?
...
density = getResources().getDisplayMetrics().density;
// return 0.75 if it's LDPI
// return 1.0 if it's MDPI
// return 1.5 if it's HDPI
// return 2.0 if it's XHDPI
// return 3.0 if it's XXHDPI
// return 4.0 if it's XXXHDPI
...
CSS force image resize and keep aspect ratio
...
img {
display: block;
max-width:230px;
max-height:95px;
width: auto;
height: auto;
}
<p>This image is originally 400x400 pixels, but should get resized by the CSS:</p>
<img width="400" height="400" src="http://i.stack.imgur.com/aEEk...
HTML text input allow only numeric input
...rowsers don't support the step, min and max attributes.
Chrome (version 71.0.3578.98) still allows the user to enter the characters e and E into the field. Also see this question.
Firefox (version 64.0) and Edge (EdgeHTML version 17.17134) still allow the user to enter any text into the field.
Try...
rails + MySQL on OSX: Library not loaded: libmysqlclient.18.dylib
...nks!
– siannopollo
Oct 24 '12 at 1:30
5
Symlink does it, especially for cases like running rails ...
iPhone get SSID without private library
... interfaceName, SSIDInfo);
BOOL isNotEmpty = (SSIDInfo.count > 0);
if (isNotEmpty) {
break;
}
}
return SSIDInfo;
}
Example output:
2011-03-04 15:32:00.669 ShowSSID[4857:307] -[ShowSSIDAppDelegate fetchSSIDInfo]: Supported interfaces: (
en0
)
201...
Parsing JSON using Json.net
...
James Newton-King
42.9k2222 gold badges105105 silver badges127127 bronze badges
answered Dec 31 '08 at 10:37
Marc Gravell♦Marc Gravell
...
Wait until file is unlocked in .NET
...
40
This was the answer I gave on a related question:
/// <summary>
/// Blocks until ...
PadLeft function in T-SQL
... what your looking for:
SELECT padded_id = REPLACE(STR(id, 4), SPACE(1), '0')
FROM tableA
or
SELECT REPLACE(STR(id, 4), SPACE(1), '0') AS [padded_id]
FROM tableA
I haven't tested the syntax on the 2nd example. I'm not sure if that works 100% - it may require some tweaking - but it conveys t...
Hide Spinner in Input Number - Firefox 29
...]::-webkit-inner-spin-button {
-webkit-appearance: none;
margin: 0;
}
input[type=number] {
-moz-appearance:textfield;
}
<input type="number" step="0.01"/>
share
|
im...
What is the easiest/best/most correct way to iterate through the characters of a string in Java?
...hod is a constant time operation.
String s = "...stuff...";
for (int i = 0; i < s.length(); i++){
char c = s.charAt(i);
//Process char
}
That's what I would do. It seems the easiest to me.
As far as correctness goes, I don't believe that exists here. It is all based on your...