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Python: try statement in a single line
...iables to something. If they might not get set, set them to None first (or 0 or '' or something if it is more applicable.)
If you do assign all the names you are interested in first, you do have options.
The best option is an if statement.
c = None
b = [1, 2]
if c is None:
a = b
else:
...
What is the difference between instanceof and Class.isAssignableFrom(…)?
...
506
When using instanceof, you need to know the class of B at compile time. When using isAssignabl...
JavaScript variables declare outside or inside loop?
...u've got yourself an accidental global.
In particular:
for (var i; i<100; i++)
do something;
for (var i; i<100; i++)
do something else;
Crockford will recommend you remove the second var (or remove both vars and do var i; above), and jslint will whinge at you for this. But IMO it'...
How to get names of classes inside a jar file?
.../', '.'); // including ".class"
classNames.add(className.substring(0, className.length() - ".class".length()));
}
}
Option (b): Using specialized reflections libraries
Guava
Guava has had ClassPath since at least 14.0, which I have used and liked. One nice thing about ClassPath is th...
Converting 'ArrayList to 'String[]' in Java
...
List<String> list = ..;
String[] array = list.toArray(new String[0]);
For example:
List<String> list = new ArrayList<String>();
//add some stuff
list.add("android");
list.add("apple");
String[] stringArray = list.toArray(new String[0]);
The toArray() method without passing...
JavaScript query string [closed]
...
answered Mar 15 '09 at 5:33
Shadow2531Shadow2531
11.1k55 gold badges2828 silver badges3838 bronze badges
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Detect Safari browser
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110
You can easily use index of Chrome to filter out Chrome:
var ua = navigator.userAgent.toLowerCa...
iOS 5 fixed positioning and virtual keyboard
...k Retallack
16.7k1616 gold badges8484 silver badges109109 bronze badges
...
How to limit setAccessible to only “legitimate” uses?
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105
DO I NEED TO WORRY ABOUT THIS???
That depends entirely on what types of programs you're writin...
What are the differences between local branch, local tracking branch, remote branch and remote track
...
Brian Webster
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answered May 6 '13 at 22:46
SNceSNce
1,...