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Use of def, val, and var in scala
...cala> def something = 2 + 3 * 4
something: Int
scala> something // now it's evaluated, lazily upon usage
res30: Int = 14
Example, val
scala> val somethingelse = 2 + 3 * 5 // it's evaluated, eagerly upon definition
somethingelse: Int = 17
Example, var
scala> var aVariable = 2 * 3...
Application auto build versioning
... Note that before Go 1.5 this option took two separate arguments.
Now it takes one argument split on the first = sign.
As part of your build process, you could set a version string variable using this. You can pass this through the go tool using -ldflags. For example, given the following s...
Can I call jquery click() to follow an link if I haven't bound an event handler to it with bind
...I think you might be getting confused between the anchor's onclick event (known by the browser) and the click event of the jQuery object which wraps the DOM's notion of the anchor tag.
You can download the jQuery 1.3.2 source here.
The relevant sections of the source are lines 2643-2645 (I have sp...
Does SQLAlchemy have an equivalent of Django's get_or_create?
... new record, it will raise IntegrityError. The whole thing gets messed up, now we don't know what actually happened and we get another error, that no record is found.
– rajat
Oct 8 '15 at 19:31
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Python's equivalent of && (logical-and) in an if-statement
... || and ! are not valid Python operators.
Some of the operators you may know from other languages have a different name in Python.
The logical operators && and || are actually called and and or.
Likewise the logical negation operator ! is called not.
So you could just write:
if len(a) % ...
What is __gxx_personality_v0 for?
... tell the compiler that the code was C++ (for example- missing extension). Now it seems that compiling C++ code with gcc misses inclusion of come libraries. Apart from missing some libraries, are there some other "side-effects" of compiling my file.cpp with gcc instead of g++?
–...
How do I turn off “Automatically Switch to Debug Perspective” mode in eclipse?
...here a way to turn off this mode? I must have clicked it by accident, and now it's getting really annoying.
4 Answers
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Closing multiple issues in Github with a commit message
I know you can close issues by putting closes #1 or fixes #1 in the commit message. What is the best way to close multiple issues in the same commit message?
...
Difference between string object and string literal [duplicate]
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the link is now broken, I guess it was this article : javatechniques.com/blog/string-equality-and-interning
– Graham Griffiths
Sep 16 '13 at 10:33
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What is Ruby equivalent of Python's `s= “hello, %s. Where is %s?” % (“John”,“Mary”)`
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I edited in the Idomatic Ruby equivalent there - but now I notice the accepted answer already does that - removed the 'edit' again :-/
– toong
Aug 7 '14 at 11:16
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