大约有 40,000 项符合查询结果（耗时：0.0564秒） [XML]
What is the difference between varchar and nvarchar?
... system does Chinese by accident, because I used nvarchar. These days, any new applications shouldn't really be concerned with the amount of space required.
share
|
improve this answer
|
...
How to work with Git branches and Rails migrations
...
When you add a new migration in any branch, run rake db:migrate and commit both the migration and db/schema.rb
If you do this, in development, you'll be able to switch to another branch that has a different set of migrations and simply run...
What does asterisk * mean in Python? [duplicate]
...pty
tuple. If the form **identifier is
present, it is initialized to a new
dictionary receiving any excess
keyword arguments, defaulting to a new
empty dictionary.
Also, see Function Calls.
Assuming that one knows what positional and keyword arguments are, here are some examples:
Examp...
What's the difference between “squash” and “fixup” in Git/Git Extension?
... var channelOptions = {
tags: "".split(" "),
id: "1"
};
initTagRenderer("".split(" "), "".split(" "), channelOptions);
StackExchange.using("externalEditor", function() {
// Have to fire editor after snippets, if snippets enabled...
How to check if function exists in JavaScript?
...
How about:
if('functionName' in Obj){
//code
}
e.g.
var color1 = new String("green");
"length" in color1 // returns true
"indexOf" in color1 // returns true
"blablabla" in color1 // returns false
or as for your case:
if('onChange' in me){
//code
}
See MDN docs.
...
VIM Disable Automatic Newline At End Of File
...ryone in the shop keeps complaining that whenever I edit a file there is a newline at the bottom. I've searched around and found that this is a documented behavior of vi & vim... but I was wondering if there was some way to disable this feature. (It wouldbe best if I could disable it for specific ...
C# 'is' operator performance
... i++)
{
MyBaseClass a;
if (i % 2 == 0)
a = new MyClassA();
else
a = new MyClassB();
bool b = a is MyClassB;
}
DateTime end = DateTime.Now;
Console.WriteLine("Is test {0} miliseconds", (end - start).TotalMilliseconds);
}
Runnin...
Angular - ui-router get previous state
...
I use resolve to save the current state data before moving to the new state:
angular.module('MyModule')
.config(['$stateProvider', function ($stateProvider) {
$stateProvider
.state('mystate', {
templateUrl: 'mytemplate.html',
controller: ["PreviousState"...
Remove duplicate dict in list in Python
... {'a': 3222, 'b': 1234},
{'a': 123, 'b': 1234}]
seen = set()
new_l = []
for d in l:
t = tuple(d.items())
if t not in seen:
seen.add(t)
new_l.append(d)
print new_l
Example output:
[{'a': 123, 'b': 1234}, {'a': 3222, 'b': 1234}]
Note: As pointed out by @alex...
Download File Using jQuery
...
answered Aug 18 '09 at 19:51
karim79karim79
320k6060 gold badges397397 silver badges399399 bronze badges
...