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How do I check if a file exists in Java?
...e:
File f = new File(filePathString);
if(f.exists() && !f.isDirectory()) {
// do something
}
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Coarse-grained vs fine-grained
...ich a
system is broken down into small
parts, either the system itself or its
description or observation. It is the
extent to which a larger entity is
subdivided. For example, a yard broken
into inches has finer granularity than
a yard broken into feet.
Coarse-grained systems cons...
WPF datagrid empty row at bottom
...
Sounds like you probably have CanUserAddRows set to true for the DataGrid. Just add
CanUserAddRows="false"
to the XAML.
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angularJS: How to call child scope function in parent scope
... });
$scope.get = function(){
return "LOL";
}
}
Working fiddle: http://jsfiddle.net/wUPdW/2/
UPDATE: There is another version, less coupled and more testable:
function ParentCntl($scope) {
$scope.msg = "";
$scope.get = function(){
$scope.$broadcast ('someE...
Rethrowing exceptions in Java without losing the stack trace
...as to permit this via its signature etc.). The exception will maintain the original stack trace.
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In php, is 0 treated as empty?
Code will explain more:
18 Answers
18
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JavaScript exponents
...
There is an exponentiation operator, which is part of the ES7 final specification. It is supposed to work in a similar manner with python and matlab:
a**b // will rise a to the power b
Now it is already implemented in Edge14, Chrome52, and also it is avai...
How can I use a local image as the base image with a dockerfile?
I'm working on a dockerfile.
I just realised that I've been using FROM with indexed images all along.
4 Answers
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How do I format XML in Notepad++?
...sted it in Notepad++ there was a long line of code (difficult to read and work with).
20 Answers
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How to revert to origin's master branch's version of file
...
Assuming you did not commit the file, or add it to the index, then:
git checkout -- filename
Assuming you added it to the index, but did not commit it, then:
git reset HEAD filename
git checkout -- filename
Assuming you did commit it, then:
git checkout or...