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How to get Enum Value from index in Java?
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Why is Python 3.x's super() magic?
...object.
The PEP was kicked off by Guido, who initially envisioned super becoming a keyword, and the idea of using a cell to look up the current class was also his. Certainly, the idea to make it a keyword was part of the first draft of the PEP.
However, it was in fact Guido himself who then steppe...
jQuery - add additional parameters on submit (NOT ajax)
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I liked a combo of: $("<input>", { type: "hidden", name: "mydata", value: "bla" }).appendTo("#form1");
– gabeio
Feb 10 '16 at 4:48
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Why does String.valueOf(null) throw a NullPointerException?
...erent things)
Using good IDE, you can check which overload is selected at compile time
With Eclipse, you can mouse-hover on the above expression and see that indeed, the valueOf(char[]) overload is selected!
Sometimes you want to explicitly cast null (examples to follow)
See also
Polymorphis...
Routing: The current request for action […] is ambiguous between the following action methods
...ethod (or vice versa), and this algoritm is not strongly-typed.
You can accomplish what you want using custom routes pointing to different action methods:
... in Global.asax
routes.MapRoute( // this route must be declared first, before the one below it
"StartBrowse",
"Gallery/Browse/Sta...
String formatting in Python 3
... of doing it using a single argument twice (as @Burhan Khalid noted in the comments):
"({0.goals} goals, ${0.penalties})".format(self)
Explaining:
{} means just the next positional argument, with default format;
{0} means the argument with index 0, with default format;
{:d} is the next position...
Do regular expressions from the re module support word boundaries (\b)?
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Why don't you try
word = 'two'
re.compile(r'\b%s\b' % word, re.I)
Output:
>>> word = 'two'
>>> k = re.compile(r'\b%s\b' % word, re.I)
>>> x = 'one two three'
>>> y = k.search( x)
>>> y
<_sre.SRE_Match object ...
How to Diff between local uncommitted changes and origin
...ed a repository and started modifying files. I know that if I have local uncommitted changes, I can do a diff as follows git diff test.txt and it will show me the difference between the current local HEAD and the modified, uncommitted changes in the file. If I commit those changes I can diff it ag...