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Converting String to “Character” array in Java
... then Java will box it automatically to Character)
get the resulting array by calling toArray()
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Checking if a variable is defined?
How can I check whether a variable is defined in Ruby? Is there an isset -type method available?
14 Answers
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Accessing @attribute from SimpleXML
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You can get the attributes of an XML element by calling the attributes() function on an XML node. You can then var_dump the return value of the function.
More info at php.net
http://php.net/simplexmlelement.attributes
Example code from that page:
$xml = simplexml_loa...
“Wrap with try…catch” in IntelliJ?
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On my Ubuntu 16.04 Ctrl+Super+Alt+T works by default.
– Marcin Armatys
Jan 5 '17 at 8:37
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What do the different readystates in XMLHttpRequest mean, and how can I use them?
...the request is not initialized. After that, any other "completion" (either by success or error) will update the readystate to 4. So losing internet after the transfer starts will flip it to 4, not back to 0. If there has never been internet when the transfer is attempted, it should still be at 0; it...
How to remove a field completely from a MongoDB document?
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There's no longer a comment by a "Nic Cottrell" anywhere on this page :)
– Dan Dascalescu
Dec 19 '18 at 6:42
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How to export all collections in MongoDB?
I want to export all collections in MongoDB by the command:
26 Answers
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Is there an online name demangler for C++? [closed]
...mangle ref qualifiers for Itanium. I am looking at _ZNR4test1fEv generated by Clang.
– Puppy
Jun 20 '14 at 20:53
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How can I make robocopy silent in the command line except for progress?
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I did it by using the following options:
/njh /njs /ndl /nc /ns
Note that the file name still displays, but that's fine for me.
For more information on robocopy, go to http://technet.microsoft.com/en-us/library/cc733145%28WS.10%29...
How to show all parents and subclasses of a class in IntelliJ IDEA?
...hortcut mapped to <Escape> (instead of the "Escape" shortcut), which by default is mapped to <Shift+Escape>. So far it felt way more natural to me when closing "floating windows" (type hierarchy included).
– Eyal Roth
Nov 19 '15 at 18:12
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