大约有 40,000 项符合查询结果（耗时：0.0772秒） [XML]
what exactly is device pixel ratio?
...solution is double the logical linear resolution.
Physical resolution: 960 x 640
Logical resolution: 480 x 320
The formula is:
Where:
is the physical linear resolution
and:
is the logical linear resolution
Other devices report different device pixel ratios, including non-integer ones. ...
Is there a “do … while” loop in Ruby?
...
10 Answers
10
Active
...
How to set timer in android?
...n extends Activity {
TextView text, text2, text3;
long starttime = 0;
//this posts a message to the main thread from our timertask
//and updates the textfield
final Handler h = new Handler(new Callback() {
@Override
public boolean handleMessage(Message msg) {
...
What do 'lazy' and 'greedy' mean in the context of regular expressions?
...
Mibac
6,67044 gold badges2929 silver badges5252 bronze badges
answered Feb 20 '10 at 6:22
SampsonSampson
...
How to “warm-up” Entity Framework? When does it get “cold”?
...
+100
What would be the best approach to have high availability on my Entity Framework at anytime?
You can go for a mix of pregenerated ...
Converting Stream to String and back…what are we missing?
...vell
888k227227 gold badges23562356 silver badges27202720 bronze badges
1
...
jQuery callback for multiple ajax calls
...tions) options = {};
numRequestToComplete = options.numRequest || 0;
requestsCompleted = options.requestsCompleted || 0;
callBacks = [];
var fireCallbacks = function() {
alert("we're all complete");
for (var i = 0; i < callBacks.length; i++...
How to understand nil vs. empty vs. blank in Ruby
...used on strings, arrays and hashes and returns true if:
String length == 0
Array length == 0
Hash length == 0
Running .empty? on something that is nil will throw a NoMethodError.
That is where .blank? comes in. It is implemented by Rails and will operate on any object as well as work like .empt...
How to iterate over values of an Enum having flags?
... |
edited Nov 13 '10 at 6:33
answered Nov 13 '10 at 6:26
...
Using SSH keys inside docker container
...
30 Answers
30
Active
...