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自定义下载器扩展：个性化下载进度展示 - App Inventor 2 拓展 - 清泛IT社...
...gered when an error occurs during download.
Successful Download downloadId, filePath, fileSize, fileName
Event triggered to report download progress, speed, eta, fileSize, and downloadedSize
Download the file of given URL to the given path with
CustomFilePath.isEmpty : filePath = /storage/...
How to scroll to bottom in a ScrollView on activity startup
...ne as following:
getScrollView().post(new Runnable() {
@Override
public void run() {
getScrollView().fullScroll(ScrollView.FOCUS_DOWN);
}
});
This way the view is first updated and then scrolls to the "new" bottom.
...
PostgreSQL: Drop PostgreSQL database through command line [closed]
...
http://blog.gahooa.com/2010/11/03/how-to-force-drop-a-postgresql-database-by-killing-off-connection-processes/
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How to change my Git username in terminal?
...e github puts your username in it. You can take a look at the original URL by typing
git config --get remote.origin.url
Or just go to the repository page on Github and get the new URL. Then use
git remote set-url origin https://{new url with username replaced}
to update the URL with your new ...
Change UICollectionViewCell size on different device orientations
...tIndexPath, just divide the height or width of the collectionView's bounds by the number of cells you want to fit on screen. Use the height if your collectionView scrolls horizontally or the width if it scrolls vertically.
s...
Defining a function with multiple implicit arguments in Scala
... imageUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454...
Make div (height) occupy parent remaining height
... thought it would be nice to add it in case someone has the same problem. (By the way I ended up using position absolute).
http://jsfiddle.net/S8g4E/955/
Here is the css
#up { height:80px;}
#down {
height: calc(100% - 80px);//The upper div needs to have a fixed height, 80px in this case.
}
...
Differences between fork and exec
...cesses are now running exactly the same code, they can tell which is which by the return code of fork - the child gets 0, the parent gets the PID of the child. This is all, of course, assuming the fork call works - if not, no child is created and the parent gets an error code.
The exec call is a wa...
What is a “thread” (really)?
...ey will interfere with each other.
Threads are the software unit affected by control flow (function call, loop, goto), because those instructions operate on the Instruction Pointer, and that belongs to a particular thread. Threads are often scheduled according to some prioritization scheme (althou...
Is it possible to use jQuery to read meta tags
...witter:image]
Apparently it doesn't like the colon. I was able to fix it by using double and single quotes like this:
$("meta[property='twitter:image']").attr("content");
(jQuery version 1.8.3 -- sorry, I would have made this a comment to @Danilo, but it won't let me comment yet)
...