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in_array() and multidimensional array
...sive (hence the _r, analogous to print_r(), for example). It descends into all nested arrays to search for the value until there are no more arrays to be found. This way, you can search through arrays of arbitrary complexity instead of just two levels deep.
– jwueller
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How to read json file into java with simple JSON library
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Well, you want to process all of the items in the array in a loop. My code just gets you the first item (a.get(0)) because that was the closest match to your original code. The json-simple documentation says a JSONArray is java.util.List, so you can...
NPM global install “cannot find module”
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For anyone else running into this, I had this problem due to my npm installing into a location that's not on my NODE_PATH.
[root@uberneek ~]# which npm
/opt/bin/npm
[root@uberneek ~]# which node
/opt/bin/node
[root@uberneek ~]# echo $NODE_PATH
My NODE_PATH was empty, and running npm install --...
AngularJS and its use of Dollar Variables
...="n = { visible: 'foo', $ignore: 'bar' };">{{ n }}</div>
Additionally when adding an explicit watcher on a scope object, changes to properties with a leading dollar sign of this object will not trigger the watcher. See this updated fiddle.
angular.equals() ignores keys prefixed with $.
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Why is this jQuery click function not working?
...tarbucks Don't worry about it too much, everyone makes mistakes, and especially when learning :)
– mobius
Sep 3 '13 at 22:18
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Open a folder using Process.Start
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Small difference if that explorer window is already open: Process.Start(path) activates the window (may only blink in task bar, not brought to front); explorer.exe+parameter opens a new window always in the front (but multiple...
Get a random item from a JavaScript array [duplicate]
... not a valid substitution for Math.floor. Using round would cause accidentally referencing an undefined index, say in the case Math.random() is 0.95 and items.length is 5. Math.round(0.95*5) is 5, which would be an invalid index. floor(random) will always be zero in your example.
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Python Empty Generator Function
... list(f())
[None]
Why not just use iter(())?
This question asks specifically about an empty generator function. For that reason, I take it to be a question about the internal consistency of Python's syntax, rather than a question about the best way to create an empty iterator in general.
If ques...
How to get the Power of some Integer in Swift language?
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I really like this solution, but with Swift 3 it does not work. Any idea how to make it work?
– Vanya
Sep 19 '16 at 18:51
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String was not recognized as a valid DateTime “ format dd/MM/yyyy”
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You need to call ParseExact, which parses a date that exactly matches a format that you supply.
For example:
DateTime date = DateTime.ParseExact(this.Text, "dd/MM/yyyy", CultureInfo.InvariantCulture);
The IFormatProvider parameter spe...