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How do I pass an extra parameter to the callback function in Javascript .filter() method?
...wordToCompare) {
return function(element) {
return element.indexOf(wordToCompare) === 0;
}
}
addressBook.filter(startsWith(wordToCompare));
Another option would be to use Function.prototype.bind [MDN] (only available in browser supporting ECMAScript 5, follow a link for a shim for...
How to grant remote access to MySQL for a whole subnet?
...man/5.1/en/grant.html
You can specify wildcards in the host name. For example, user_name@'%.example.com' applies to user_name for any host in the example.com domain, and user_name@'192.168.1.%' applies to user_name for any host in the 192.168.1 class C subnet.
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How can I export tables to Excel from a webpage [closed]
How can I export tables to Excel from a webpage. I want the export to contain all the formatting and colours.
14 Answers
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Why should I prefer single 'await Task.WhenAll' over multiple awaits?
... (faulted or canceled tasks). Awaiting manually in sequence would cause unexpected concurrency because the part of your program that wants to wait will actually continue early.
I think it also makes reading the code easier because the semantics that you want are directly documented in code.
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Get the size of the screen, current web page and browser window
...dowHeight , pageWidth , pageHeight , screenWidth , screenHeight , pageX , pageY , screenX , screenY which will work in all major browsers?
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What is “android.R.layout.simple_list_item_1”?
I've started learning Android development and am following a todolist example from a book:
7 Answers
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npm global path prefix
...
Extending your PATH with:
export PATH=/usr/local/share/npm/bin:$PATH
isn't a terrible idea. Having said that, you shouldn't have to do it.
Run this:
npm config get prefix
The default on OS X is /usr/local, which mean...
invalid byte sequence for encoding “UTF8”
...you're feeding it a UTF8 file.
If you're running under some variant of Unix, you can check the encoding (more or less) with the file utility.
$ file yourfilename
yourfilename: UTF-8 Unicode English text
(I think that will work on Macs in the terminal, too.) Not sure how to do that under Windows....
Best TCP port number range for internal applications [closed]
...ack and do them properly :-)
In other words, run the server at IP address X and port Y then configure clients with that information. Then, if you find you must run a different server on X that conflicts with your Y, just re-configure your server and clients to use a new port. This is true whether y...
How to split a large text file into smaller files with equal number of lines?
I've got a large (by number of lines) plain text file that I'd like to split into smaller files, also by number of lines. So if my file has around 2M lines, I'd like to split it up into 10 files that contain 200k lines, or 100 files that contain 20k lines (plus one file with the remainder; being ev...