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Python: Append item to list N times
This seems like something Python would have a shortcut for. I want to append an item to a list N times, effectively doing this:
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Is there an equivalent for the Zip function in Clojure Core or Contrib?
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(map vector '(1 2 3) '(4 5 6))
does what you want:
=> ([1 4] [2 5] [3 6])
Haskell needs a collection of zipWith (zipWith3, zipWith4, ...) functions, because they all need to be of a specific type; in particular, the number of ...
How does HashSet compare elements for equality?
...ill find the hash code using IEqualityComparer<T>.GetHashCode, and store both the hash code and the element (after checking whether the element is already in the set, of course).
To look an element up, it will first use the IEqualityComparer<T>.GetHashCode to find the hash code, then fo...
Fast Bitmap Blur For Android SDK
... After some testing and the blurring that I'm doing this actual works well enough for me and it's fast. Thanks!
– Greg
Jan 15 '10 at 17:06
4
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How do I test if a variable is a number in Bash?
... figure out how do I make sure an argument passed to my script is a number or not.
38 Answers
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How can I pipe stderr, and not stdout?
I have a program that writes information to stdout and stderr , and I need to grep through what's coming to stderr , while disregarding stdout .
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How to prevent vim from creating (and leaving) temporary files?
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I'd strongly recommend to keep working with swap files (in case Vim crashes).
You can set the directory where the swap files are stored, so they don't clutter your normal directories:
set swapfile
set dir=~/tmp
See also
:help swap-file
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Why would a static nested interface be used in Java?
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The static keyword in the above example is redundant (a nested interface is automatically "static") and can be removed with no effect on semantics; I would recommend it be removed. The same goes for "public" on interface methods and "public...
java SSL and cert keystore
How does my java program know where my keystore containing the certificate is? Or alternatively how do I tell my java program where to look for the keystore?
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How do I implement IEnumerable
...the List<MyObject> will provide both generic and non-generic enumerators that you can use.
using System.Collections;
class MyObjects : IEnumerable<MyObject>
{
List<MyObject> mylist = new List<MyObject>();
public MyObject this[int index]
{
get { retu...