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File Upload in WebView
...ORY_OPENABLE);
i.setType("image/*");
MyWb.this.startActivityForResult(Intent.createChooser(i,"File Chooser"), FILECHOOSER_RESULTCODE);
}
// For Android 3.0+
public void openFileChooser( ValueCallback uploadMsg, String acceptType ) {
...
What's the best way to validate an XML file against an XSD file?
... (unless your goal is to create a document object model anyway). This will start creating DOM objects as it parses the document - wasteful if you aren't going to use them.
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Ignore modified (but not committed) files in git?
...
You can't commit anything that doesn't start out in your index. git rm --cached everything that you don't want to commit, then add a .gitignore file locally that has "*" in it. Now, no matter how much you git add, you'll never see those files in your index again.
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Limit text length to n lines using CSS
...
There's a way to do it using unofficial line-clamp syntax, and starting with Firefox 68 it works in all major browsers.
body {
margin: 20px;
}
.text {
overflow: hidden;
text-overflow: ellipsis;
display: -webkit-box;
-webkit-line-clamp: 2; /* number of lines t...
Command line: piping find results to rm
... putting -delete first will make find try to
delete everything below the starting points you specified. When
testing a find command line that you later intend to use with
-delete, you should explicitly specify -depth in order to avoid
later surprises. Because -delete implies -depth, ...
Please explain about insertable=false and updatable=false in reference to the JPA @Column annotation
... not necessarily belong to the application.
For example, sequence number starts with 1000 and should increment by one for each new entity. This is easily done, and very appropriately so, in the database, and in such cases these configurations makes sense.
...
remove all variables except functions
...
If you also want to remove objects whose names start with a period, use this instead: rm(list=setdiff(ls(all.names=TRUE), lsf.str(all.names=TRUE)))
– Josh O'Brien
Nov 29 '11 at 5:21
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Proper use of errors
...vaScript is using RangeError. To check the type use if / else + instanceof starting at the most specific to the most generic
try {
throw new RangeError();
}
catch (e){
if(e instanceof RangeError){
console.log('out of range');
}
}
...
Example for sync.WaitGroup correct?
...e called.
Waitgroups panic if the counter falls below zero. The counter starts at zero, each Done() is a -1 and each Add() depends on the parameter. So, to ensure that the counter never drops below and avoid panics, you need the Add() to be guaranteed to come before the Done().
In Go, such guara...
How do I get AWS_ACCESS_KEY_ID for Amazon?
...rst year. If you pick up 't1.micro' EC2 is does not cost you anything. all startups usually use it in the begging. you can start & stop your servers anytime you like via aws website and if something has a cost, you pay only on the actual usage.
– Amit Talmor
...