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How can one check to see if a remote file exists using PHP?
...
You can instruct curl to use the HTTP HEAD method via CURLOPT_NOBODY.
More or less
$ch = curl_init("http://www.example.com/favicon.ico");
curl_setopt($ch, CURLOPT_NOBODY, true);
curl_exec($ch);
$retcode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
// $retcod...
Android - styling seek bar
...d_scrubber_control.xml (add to res/drawable):
<selector xmlns:android="http://schemas.android.com/apk/res/android">
<item android:drawable="@drawable/red_scrubber_control_disabled_holo" android:state_enabled="false"/>
<item android:drawable="@drawable/red_scrubber_control_pr...
Vsphere 6 集群上 安装 oracle rac 遇到的共享磁盘故障 - 数据库(内核) - ...
...网上搜索到的方法对比 发现SCSI总线不一样。
参考文档http://www.doc88.com/p-5416264066182.html
按照网上的方法，修改SCSI 控制1的总线为LSI Logic 并行。修改好后，开启虚拟机的电源，发现机器进不了操作系统。
SCSI控制器0 和SCSI...
Twitter image encoding challenge [closed]
...inal.
Stack Overflow Logo (8.6s to encode, 7.9s to decode, 485 bytes):
http://i44.tinypic.com/2w7lok1.png
Lena (32.8s to encode, 13.0s to decode, 477 bytes):
http://i42.tinypic.com/2rr49wg.png http://i40.tinypic.com/2rhxxyu.png
Mona Lisa (43.2s to encode, 14.5s to decode, 490 bytes):
http://i4...
Link to “pin it” on pinterest without generating a button
...open clicks in a new window.
The tag syntax would look like:
<a href="http://pinterest.com/pin/create/button/?url={URI-encoded URL of the page to pin}&media={URI-encoded URL of the image to pin}&description={optional URI-encoded description}" class="pin-it-button" count-layout="horizont...
phonegap open link in browser
... per the InAppBrowser documentation:
<a href="#" onclick="window.open('http://www.kidzout.com', '_system'); return false;">www.kidzout.com</a>
This should work, though a better and more flexible solution would be to intercept all links' click events, and call window.open with argument...
How do I detect a click outside an element?
...lem.offsetHeight || elem.getClientRects().length ) // source (2018-03-11): https://github.com/jquery/jquery/blob/master/src/css/hiddenVisibleSelectors.js
NOTE:
This is based on Alex comment to just use !element.contains(event.target) instead of the jQuery part.
But element.closest() is now also av...
Get final URL after curl is redirected
...re
looking for.
Something like
curl -Ls -o /dev/null -w %{url_effective} http://google.com
More info
-L Follow redirects
-s Silent mode. Don't output anything
-o FILE Write output to <file> instead of stdout
-w FORMAT What to output after completion
More
You might ...
Is there any downside for using a leading double slash to inherit the protocol in a URL? i.e. src=“/
...sheet that loads images from an external domain and I need it to load from https:// from secure order pages and http:// from other pages, based on the current URL. I found that starting the URL with a double slash inherits the current protocol. Do all browsers support this technique?
...
Facebook Open Graph not clearing cache
...
Go to http://developers.facebook.com/tools/debug
Enter the URL following by fbrefresh=CAN_BE_ANYTHING
Examples:
http://www.example.com?fbrefresh=CAN_BE_ANYTHING
http://www.example.com?postid=1234&fbrefresh=CAN_BE_ANYTHING
O...