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Difference between wait and sleep
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368
wait waits for a process to finish; sleep sleeps for a certain amount of seconds.
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How do the post increment (i++) and pre increment (++i) operators work in Java?
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Does this help?
a = 5;
i=++a + ++a + a++; =>
i=6 + 7 + 7; (a=8)
a = 5;
i=a++ + ++a + ++a; =>
i=5 + 7 + 8; (a=8)
The main point is that ++a increments the value and immediately returns it.
a++ also increments the value (in the background) but returns unchanged value of the varia...
No internet on Android emulator - why and how to fix? [closed]
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cchenesonccheneson
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add a comm...
What is the difference between ~> and >= when specifying rubygem in Gemfile?
...ersion provided and use that until it reaches a maximum version. So ~>0.8.5 is semantically equivalent to:
gem "cucumber", ">=0.8.5", "<0.9.0"
The easy way to think about it is that you're okay with the last digit incrementing to some arbitrary value, but the ones preceding it in the stri...
What is the syntax to insert one list into another list in python?
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edited Jan 8 '15 at 22:03
the Tin Man
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Cordova: start specific iOS emulator image
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csantanaprcsantanapr
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Logic to test that 3 of 4 are True
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248
I suggest writing the code in a manner that indicates what you mean. If you want 3 values to be ...
str performance in python
...time.
>>> import dis
>>> dis.dis(lambda: str(100000))
8 0 LOAD_GLOBAL 0 (str)
3 LOAD_CONST 1 (100000)
6 CALL_FUNCTION 1
9 RETURN_VALUE
>>> dis.dis(lambda: '%s' % 100000)
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Rails mapping array of hashes onto single hash
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answered Aug 8 '12 at 1:54
cjhvealcjhveal
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