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Changing java platform on which netbeans runs
...nstalling Netbeans. When i installed Netbeans it took Java 1.5 as the default version. Then i installed Java 1.6 on my machine. I need to change the default JDK of my netbeans to 1.6 not only to a specific project but to the whole Netbeans application.
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Stop an input field in a form from being submitted
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You could insert input fields without "name" attribute:
<input type="text" id="in-between" />
Or you could simply remove them once the form is submitted (in jQuery):
$("form").submit(function() {
$(this).children('#in-between').remove();
});
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Bytecode features not available in the Java language
...';', '[', or '/'. Method names are the same, but they also can't contain '<' or '>'. (With the notable exceptions of <init> and <clinit> for instance and static constructors.) I should point out that if you are following the specification strictly, the class names are actually much...
How to use glOrtho() in OpenGL?
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I use glOrtho every time I need to do 2D graphics in OpenGL (such as health bars, menus etc)
using the following code every time the window is resized:
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
glOrtho(0.0f, windowWidth, windowHeight, 0.0f, 0.0f, 1.0f);
This will remap the OpenGL coordina...
CSS center display inline block?
...ng code here: http://jsfiddle.net/WVm5d/ (you might need to make the result window bigger to see the align center effect)
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Showing Difference between two datetime values in hours
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but in this case system shows " 'System.Nullable<System.TimeSpan>' does not contain a definition for 'TotalHours' and no extension method 'TotalHours' accepting a first argument of type 'System.Nullable<System.TimeSpan>' could be found ". Can you please tell me ...
Extracting the last n characters from a string in R
...straight-forward to make a function to do this using substr and nchar:
x <- "some text in a string"
substrRight <- function(x, n){
substr(x, nchar(x)-n+1, nchar(x))
}
substrRight(x, 6)
[1] "string"
substrRight(x, 8)
[1] "a string"
This is vectorised, as @mdsumner points out. Conside...
How can you use an object's property in a double-quoted string?
...ble-quoted here-strings):
Only references such as $foo, $global:foo (or $script:foo, ...) and $env:PATH (environment variables) are recognized when directly embedded in a "..." string - that is, only the variable reference itself is expanded, irrespective of what follows.
To disambiguate a varia...
How to get the current loop index when using Iterator?
...on and found using a ListIterator worked. Similar to the test above:
List<String> list = Arrays.asList("zero", "one", "two");
ListIterator iter = list.listIterator();
while (iter.hasNext()) {
System.out.println("index: " + iter.nextIndex() + " value: " + iter.next());
}
Make sure you ...
Does Flask support regular expressions in its URL routing?
...items[0]
app.url_map.converters['regex'] = RegexConverter
@app.route('/<regex("[abcABC0-9]{4,6}"):uid>-<slug>/')
def example(uid, slug):
return "uid: %s, slug: %s" % (uid, slug)
if __name__ == '__main__':
app.run(debug=True, host='0.0.0.0', port=5000)
this URL should retur...