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How to select multiple files with ?

... New answer: In HTML5 you can add the multiple attribute to select more than 1 file. <input type="file" name="filefield" multiple="multiple"> Old answer: You can only select 1 file per <input type="file" />. If you want to send multiple files you will have to use multi...
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Wildcards in jQuery selectors

...th attributes and id is a technically a property, but I guess with the the more recent releases of jquery (i.e. 1.9) and how the latest changes to attributes and properties are hanlded, the line is slightly blurred with respect to the two and so your able to use the attribute selectors for (at least...
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Regex doesn't work in String.matches()

...as lowercase letters, you can use .matches(), but you need to match one or more characters: append a + to your character class, as in [a-z]+. Or use ^[a-z]+$ and .find(). share | improve this answer...
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Checking for the correct number of arguments

... a directory, output usage to stderr and exit with a failure status code. More friendly error reporting: #!/bin/sh if [ "$#" -ne 1 ]; then echo "Usage: $0 DIRECTORY" >&2 exit 1 fi if ! [ -e "$1" ]; then echo "$1 not found" >&2 exit 1 fi if ! [ -d "$1" ]; then echo "$1 not a...
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In the shell, what does “ 2>&1 ” mean?

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How to implement a tree data-structure in Java? [closed]

...ture to contain the root. You can add methods to the tree class that make more sense to call on a tree rather than a single node. – jjnguy Aug 19 '10 at 14:03 24 ...
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Function to calculate distance between two coordinates

...een). It's probably better than rolling your own (for starters, it uses a more precise value for the Earth's radius). For the picky among us, when I say "straight-line distance", I'm referring to a "straight line on a sphere", which is actually a curved line (i.e. the great-circle distance), of co...
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Javascript - Open a given URL in a new tab by clicking a button

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How do I delete a Git branch locally and remotely?

...ub.com:schacon/simplegit.git - [deleted] serverfix Boom. No more branches on your server. You may want to dog-ear this page, because you’ll need that command, and you’ll likely forget the syntax. A way to remember this command is by recalling the git push [remotename] [localbranch...
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Why is it important to override GetHashCode when Equals method is overridden?

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