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What are the basic rules and idioms for operator overloading?
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sbisbi
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90
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How to add a primary key to a MySQL table?
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227
After adding the column, you can always add the primary key:
ALTER TABLE goods ADD PRIMARY KE...
Where can I find my .emacs file for Emacs running on Windows?
...ven though the filesystem and most other programs can handle it. In Emacs 22 and later, the init file may also be called .emacs.d/init.el. Many of the other files that are created by Lisp packages are now stored in the .emacs.d directory too, so this keeps all your Emacs related files in one place....
What are the differences between a HashMap and a Hashtable in Java?
...nchronizedMap().
– Rok Strniša
Nov 22 '11 at 18:48
283
I would also comment that the naive appro...
External template in Underscore
...t.
– Tommi Forsström
Jan 12 '13 at 22:36
3
@TommiForsström I agree. I've moved away from this ...
In Python, how do I index a list with another list?
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245
T = [L[i] for i in Idx]
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What is this 'Lambda' everyone keeps speaking of?
...hat perform much more useful tasks. For example filter:
var numbers = [1, 2, 3, 4];
var even = [];
// keep all even numbers from above array
for (var i=0; i<numbers.length; i++) {
if (numbers[i] % 2 === 0) {
even.push(numbers[i]);
}
}
alert(even);
// Using the filter method...
Are there any naming convention guidelines for REST APIs? [closed]
... it's quite appropriate.
– Hank
Dec 22 '11 at 18:44
6
@Dennis Windows server filesystems are case...
Remove ALL styling/formatting from hyperlinks
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263
You can simply define a style for links, which would override a:hover, a:visited etc.:
a {
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How to convert a scala.List to a java.util.List?
... first have to convert the Scala List into a mutable collection.
On Scala 2.7:
import scala.collection.jcl.Conversions.unconvertList
import scala.collection.jcl.ArrayList
unconvertList(new ArrayList ++ List(1,2,3))
From Scala 2.8 onwards:
import scala.collection.JavaConversions._
import scala.c...