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Is it correct to use JavaScript Array.sort() method for shuffling?
... @Jon: but Fisher-Yates will create 2^x states for each array index, ie there'll be 2^(xn) states total, which should be quite a bit larger that 2^c - see my edited answer for details
– Christoph
Jun 8 '09 at 7:22
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Git status - is there a way to show changes only in a specific directory?
...cked file in red state. git rm also was not useful because it removed from index on commit, but this command is actually one really needed when only need to work with little.Simple solutions always are those which can be seen nowhere.
– Shashank Bhatt
Sep 11 at...
Split data frame string column into multiple columns
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Use stringr::str_split_fixed
library(stringr)
str_split_fixed(before$type, "_and_", 2)
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Dynamic instantiation from string name of a class in dynamically imported module?
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You can use getattr
getattr(module, class_name)
to access the class. More complete code:
module = __import__(module_name)
class_ = getattr(module, class_name)
instance = class_()
As mentioned below, we may use importlib
import importlib
module = importlib.imp...
Passing an integer by reference in Python
...d you can't just assign the "variable" a new value because then you're actually creating a new object (which is distinct from the old one) and giving it the name that the old object had in the local namespace.
Usually the workaround is to simply return the object that you want:
def multiply_by_2(x...
What is reflection and why is it useful?
...mples to get you started at http://docs.oracle.com/javase/tutorial/reflect/index.html
And finally, yes, the concepts are pretty much similar in other statically typed languages which support reflection (like C#). In dynamically typed languages, the use case described above is less necessary (since ...
How do I get a UTC Timestamp in JavaScript?
While writing a web application, it makes sense to store (server side) all datetimes in the DB as UTC timestamps.
16 Answ...
Android adb not found
...ogle did provide the information. See developer.android.com/sdk/installing/index.html Click on Information for other platforms and then troubleshooting ubuntu.
– Robin Chander
Nov 26 '12 at 19:22
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How do you git show untracked files that do not exist in .gitignore
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git update-index --no-assume-unchanged <file>
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How to disable scrolling temporarily?
...e scrolling is that when you scroll while scrollTo is animating, it gets really ugly ;)
35 Answers
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