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How to create id with AUTO_INCREMENT on Oracle?
...that there is no concept of AUTO_INCREMENT in Oracle, up until and including version 11g.
16 Answers
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How to efficiently compare two unordered lists (not sets) in Python?
a & b should be considered equal, because they have exactly the same elements, only in different order.
10 Answers
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Difference between reduce and foldLeft/fold in functional programming (particularly Scala and Scala
Why do Scala and frameworks like Spark and Scalding have both reduce and foldLeft ? So then what's the difference between reduce and fold ?
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How to overload std::swap()
std::swap() is used by many std containers (such as std::list and std::vector ) during sorting and even assignment.
4 A...
Is there a DesignMode property in WPF?
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Indeed there is:
System.ComponentModel.DesignerProperties.GetIsInDesignMode
Example:
using System.ComponentModel;
using System.Windows;
using System.Windows.Controls;
public class MyUserControl : UserControl
{
public MyUserControl()
{
if (DesignerPr...
Const before or const after?
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why is there two correct ways of specifying const data and in what situation would you prefer or need one over the other if any?
Essentially, the reason that the position of const within specifiers prior to an asterisk does not matter is that the C grammar was defi...
Performance - Date.now() vs Date.getTime()
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These things are the same (edit semantically; performance is a little better with .now()):
var t1 = Date.now();
var t2 = new Date().getTime();
However, the time value from any already-created Date instance is frozen at the time of i...
Given a DateTime object, how do I get an ISO 8601 date in string format?
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Access denied for user 'root'@'localhost' while attempting to grant privileges. How do I grant privi
I've looked at a number of similar questions and so I'm demonstrating that I've checked the basics. Though of course, that doesn't mean I haven't missed something totally obvious. :-)
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Concatenating two lists - difference between '+=' and extend()
I've seen there are actually two (maybe more) ways to concatenate lists in Python:
One way is to use the extend() method:
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