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curl_exec() always returns false
...ception('failed to initialize');
}
curl_setopt($ch, CURLOPT_URL, 'http://example.com/');
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt(/* ... */);
$content = curl_exec($ch);
// Check the return value of curl_exec(), too
if ($content === false) {
thro...
How to get Linux console window width in Python
...orks in Windows.
A backport is now available for Python 3.2 and below:
https://pypi.python.org/pypi/backports.shutil_get_terminal_size
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How to detect page zoom level in all modern browsers?
...e zoom level.
Edit (2011-12-12): I've added a project that can be cloned: https://github.com/tombigel/detect-zoom
IE8: screen.deviceXDPI / screen.logicalXDPI (or, for the zoom level relative to default zoom, screen.systemXDPI / screen.logicalXDPI)
IE7: var body = document.body,r = body.getBoundin...
Byte[] to InputStream or OutputStream
... = new ByteArrayInputStream(content);
For full example please check here http://www.onlinecodegeek.com/2015/09/how-to-convert-byte-into-inputstream.html
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...
Script Tag - async & defer
....
Here's an article that explains the difference between async and defer: http://peter.sh/experiments/asynchronous-and-deferred-javascript-execution-explained/.
Your HTML will display quicker in older browsers if you keep the scripts at the end of the body right before </body>. So, to prese...
Get distance between two points in canvas
...
http://en.wikipedia.org/wiki/Euclidean_distance
If you have the coordinates, use the formula to calculate the distance:
var dist = Math.sqrt( Math.pow((x1-x2), 2) + Math.pow((y1-y2), 2) );
If your platform supports the **...
jQuery ui dialog change title after load-callback
...st of the time. In this case, the Dialog API page. For the main library: http://api.jquery.com
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How to get a one-dimensional scalar array as a doctrine dql query result?
...ELECT a.id FROM Auction a")->getResult("COLUMN_HYDRATOR");
More info:
http://docs.doctrine-project.org/projects/doctrine-orm/en/latest/reference/dql-doctrine-query-language.html#custom-hydration-modes
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where is gacutil.exe?
...not with VSTS. It is part of Windows SDK and can be download separately at http://www.microsoft.com/downloads/details.aspx?FamilyId=F26B1AA4-741A-433A-9BE5-FA919850BDBF&displaylang=en . This installation will have gacutil.exe included. But first check it here
C:\Program Files\Microsoft SDKs\Wi...
地图组件（高德地图） · App Inventor 2 中文网
...每个块对应一个特定的URL。
默认高德地图简图模式：https://wprd01.is.autonavi.com/appmaptile?x={x}&y={y}&z={z}&style=7
可调整地图样式，变量说明如下：
域名前缀(wprd,webst)：效果一样，目前还没有找出规律。01 ~ 04 随意都可以，负载均衡...