大约有 170 项符合查询结果（耗时：0.0149秒） [XML]
Rerender view on browser resize with React
... just displays the window dimensions (like <span>Window size: 1024 x 768</span>):
import React from 'react';
class ShowWindowDimensions extends React.Component {
state = { width: 0, height: 0 };
render() {
return <span>Window size: {this.state.width} x {this.state.height}...
How to send HTTP request in java? [duplicate]
...r s = new java.util.Scanner(new java.net.URL("http://tools.ietf.org/rfc/rfc768.txt").openStream())) {
System.out.println(s.useDelimiter("\\A").next());
}
}
}
The new try-with-resources will auto-close the Scanner, which will auto-close the InputStream.
...
Fastest way to iterate over all the chars in a String
... 1.6 1.3 39.8 28.4 1.2 1.8 1.7 0.8 1.0
32,768 field1 1.6 1.3 40.0 26.7 1.3 1.8 1.7 0.8 1.0
65,536 field1 1.6 1.3 39.8 26.3 1.3 1.8 1.7 0.8 1.0
131,072 field1 1.6 1.3 40.1 ...
How to check if multiple array keys exists
...ey_exists($key, $array))return false;
}
return true;
}
(344ms vs 768ms for 1000000 iterations)
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What is the difference between max-device-width and max-width for mobile web?
...Tablets Portrait or Landscape #### */
@media screen and (min-device-width: 768px) and (max-device-width: 1024px){
/* some CSS here */
}
/* #### Desktops #### */
@media screen and (min-width: 1024px){
/* some CSS here */
}
...
How can I find out the total physical memory (RAM) of my linux box suitable to be parsed by a shell
...B, as indicated in this post. That means it is really reporting 4,052,000,768 bytes, which is slightly greater than 4 GB. This is due to the fact that the /proc/meminfo implementations pre-date the kiB notation.
– Jeff G
Oct 10 '16 at 23:06
...
How to run function in AngularJS controller on document ready?
...ia query sizes:
xs = settings.screen.xs // 480
sm = settings.screen.sm // 768
md = settings.screen.md // 992
lg = settings.screen.lg // 1200
doMediaQuery = () ->
w = angular.element($window).width()
$scope.xs = w < sm
$scope.sm = w >= sm and w < md
$scope.md = w >=...
Java maximum memory on Windows XP
...ting: I was able to allocate 1300MB on an old Windows XP machine with only 768MB physical RAM (plus virtual memory). On my 2GB RAM machine I can only get 1220MB. On various other corporate machines (with older Windows XP) I was able to get 1400MB. The machine with a 1220MB limit is pretty new (just ...
How to disable mouse scroll wheel scaling with Google Maps API
...604!2d-71.64614110000001!3d-40.76341959999999!2m3!1f0!2f0!3f0!3m2!1i1024!2i768!4f13.1!3m3!1m2!1s0x9610bf42e48faa93%3A0x205ebc786470b636!2sVilla+la+Angostura%2C+Neuqu%C3%A9n!5e0!3m2!1ses-419!2sar!4v1425058155802"
width="400" height="300" frameborder="0" style="border:0"></iframe>
</di...
Difference between VARCHAR and TEXT in MySQL [duplicate]
... If ROW_FORMAT=COMPACT, then both VARCHAR and TEXT will store their first 768 bytes with the row, and the remainder on another page.
– Bill Karwin
Feb 20 at 0:01
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