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Split string on the first white space occurrence
...mance wise it's pretty bad to the most upvoted "substring" solution. just tested it and it's about 10x slower.
– pootzko
Sep 8 '16 at 12:54
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Set a persistent environment variable from cmd.exe
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Indeed SET TEST_VARIABLE=value works for current process only, so SETX is required. A quick example for permanently storing an environment variable at user level.
In cmd, SETX TEST_VARIABLE etc. Not applied yet (echo %TEST_VARIABLE% ...
How to detect Ctrl+V, Ctrl+C using JavaScript?
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Why the keydown and keyup handlers on document? You can test for the Ctrl key in the $(".no-copy-paste").keydown handler. Also, there's no need for the e.keyCode || e.which bit: e.keyCode works in all browsers that e.which works in, so e.which will never be used. Perhaps you were ...
split string only on first instance - java
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String string = "This is test string on web";
String splitData[] = string.split("\\s", 2);
Result ::
splitData[0] => This
splitData[1] => is test string
String string = "This is test string on web";
String splitData[] = string.split("\\s...
Rails Observer Alternatives for 4.0
...t aren't tightly coupled to the models. This also makes it a lot easier to test in isolation
– Steven Soroka
Mar 28 '14 at 2:03
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vim “modifiable” is off
...sitory, do an
ls
inside it. i got something like this:
~=+www-halo=+test=+lib=+Halo=+Return2=+HeaderTest.php=
~=+www-halo=+test=+lib=+Halo=+Service=+LandmarkTest.php=
~=+www-halo=+test=+lib=+Halo=+Transaction=+AuthnetTest.php=
Which is totally useless to you since you have a different file ...
Java - get the current class name?
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Umm... I have tested this, and I get that the superclass of the anonymous class is the abstract class. I will recheck my logic... but as I am getting the result that makes sense, I don't think it's me that has made the mistake....
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Rename a file using Java
Can we rename a file say test.txt to test1.txt ?
14 Answers
14
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How to unsubscribe to a broadcast event in angularJS. How to remove function registered via $on
...}
}());
And here's how it would work:
function myEvent() {
alert('test');
}
$scope.$on('test', myEvent);
$scope.$broadcast('test');
$scope.$off('test', myEvent);
$scope.$broadcast('test');
And here's a plunker of it in action
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Checking if a key exists in a JavaScript object?
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Checking for undefined-ness is not an accurate way of testing whether a key exists. What if the key exists but the value is actually undefined?
var obj = { key: undefined };
obj["key"] !== undefined // false, but the key exists!
You should instead use the in operator:
"key" ...