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Rounding up to next power of 2
...mon: it's the portable solution. There's no common efficient algorithm for all architectures
– phuclv
Dec 6 '13 at 9:27
5
...
String concatenation: concat() vs “+” operator
...then throwing it away when you create the final String. In practice memory allocation is surprisingly fast.
Update: As Pawel Adamski notes, performance has changed in more recent HotSpot. javac still produces exactly the same code, but the bytecode compiler cheats. Simple testing entirely fails bec...
Chain-calling parent initialisers in python [duplicate]
... B inheriting from A, class C inheriting from B. What is a generic way to call a parent class initialiser in an initialiser? If this still sounds too vague, here's some code.
...
How do I use IValidatableObject?
... Prop1 = 1,
Prop2 = 2
};
bool validateAllProperties = false;
var results = new List<ValidationResult>();
bool isValid = Validator.TryValidateObject(
toValidate,
new ValidationContext(toValidate, null, null),
...
What does Connect.js methodOverride do?
...
And the source should be http://www.senchalabs.org/connect/methodOverride.html
– ilyaigpetrov
May 21 '13 at 6:45
add a commen...
Managing Sessions in Node.js? [closed]
...
You can do that very easily using:
Connect: http://senchalabs.github.com/connect/
Connects is like Rack in Ruby. It gives you an extra layer where you can "play" with authentication, sessions, cookies, among others.
Other option is to use frameworks:
Express.js: htt...
如何查看Oracle用户的SQL执行历史记录？ - 数据库(内核) - 清泛网 - 专注C/...
...户的角色
清泛网注：以下内容更详细深入，来源：http://www.cnblogs.com/net2012/archive/2013/01/21/2869636.html
问题：如何知道一个session都执行过哪些SQL语句？（查看当前比较容易，历史的呢？怎么复原sql的执行场景——事务关系、...
Why are Oracle table/column/index names limited to 30 characters?
... characters. Hmmm.)
Search for "F391, Long identifiers" on this page... http://stanford.edu/dept/itss/docs/oracle/10g/server.101/b10759/ap_standard_sql001.htm
(Looking for a ref)
share
|
improve...
Regex Email validation
...ent on MSDN for it.
How to: Verify that Strings Are in Valid Email Format
http://msdn.microsoft.com/en-us/library/01escwtf.aspx
(check out that this code also supports the use of non-ASCII characters for Internet domain names.)
There are 2 implementation, for .Net 2.0/3.0 and for .Net 3.5 and high...
Check if object is a jQuery object
...
You may also use the .jquery property as described here: http://api.jquery.com/jquery-2/
var a = { what: "A regular JS object" },
b = $('body');
if ( a.jquery ) { // falsy, since it's undefined
alert(' a is a jQuery object! ');
}
if ( b.jquery ) { // truthy, since it's a...