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How to build an APK file in Eclipse?
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claws
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answered Jan 5 '11 at 4:47
anta40anta40
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In Python, how do you convert a `datetime` object to seconds?
... function.
>>> (t-datetime.datetime(1970,1,1)).total_seconds()
1256083200.0
The starting date is usually specified in UTC, so for proper results the datetime you feed into this formula should be in UTC as well. If your datetime isn't in UTC already, you'll need to convert it before you u...
push multiple elements to array
... Dark Absol
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How do the major C# DI/IoC frameworks compare? [closed]
...inject out of it?
– Martin Owen
Jan 5 '11 at 10:14
2
Partial answer can be found here: manning-sa...
What is the difference between a strongly typed language and a statically typed language?
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+300
Wha...
Pairwise crossproduct in Python [duplicate]
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You're looking for itertools.product if you're on (at least) Python 2.6.
>>> import i...
Difference between parameter and argument [duplicate]
...:
int foo(int x, int y) {
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}
Whereas here, in the function call, 5 and z are the actual arguments:
foo(5, z);
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What do column flags mean in MySQL Workbench?
... values.)
UN - Unsigned (non-negative numbers only. so if the range is -500 to 500, instead its 0 - 1000, the range is the same but it starts at 0)
UQ - Create/remove Unique Key
ZF - Zero-Filled (if the length is 5 like INT(5) then every field is filled with 0’s to the 5th digit. 12 = 000...
How do I combine two data-frames based on two columns? [duplicate]
...nal example given in the documentation:
x <- data.frame(k1=c(NA,NA,3,4,5), k2=c(1,NA,NA,4,5), data=1:5)
y <- data.frame(k1=c(NA,2,NA,4,5), k2=c(NA,NA,3,4,5), data=1:5)
merge(x, y, by=c("k1","k2")) # NA's match
This example was meant to demonstrate the use of incomparables, but it illustrate...