大约有 45,000 项符合查询结果（耗时：0.0440秒） [XML]
How to store custom objects in NSUserDefaults
...g from NSUserDefaults:
- (void)saveCustomObject:(MyObject *)object key:(NSString *)key {
NSData *encodedObject = [NSKeyedArchiver archivedDataWithRootObject:object];
NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults];
[defaults setObject:encodedObject forKey:key];
[def...
What is the difference between a User Control Library and a Custom Control Library?
... control is that if you can get something done with a user control and the extra control element in the logical tree doesn't bother you, use a user control as they are so much easier to create and maintain. Use a custom control only if you have a reason not to use a user control.
...
How do I bind Twitter Bootstrap tooltips to dynamically created elements?
... great! for use inside a table add container: 'body' to avoid extra width.
– shock_gone_wild
Jan 19 '16 at 16:31
...
Behaviour for significant change location API when terminated/suspended?
...), you will get a moment with applicationWillTerminate. You cannot request extra background time from this function.
Despite being killed in the background, the OS will relaunch your application. If your application is simply launched by the OS for a change, you will get a call to application didFin...
A generic list of anonymous class
...
Here is the answer.
string result = String.Empty;
var list = new[]
{
new { Number = 10, Name = "Smith" },
new { Number = 10, Name = "John" }
}.ToList();
foreach (var item in list)
{
result += String.Format("Name={0}, Number={1}\n...
Can attributes be added dynamically in C#?
...
Why do you need to? Attributes give extra information for reflection, but if you externally know which properties you want you don't need them.
You could store meta data externally relatively easily in a database or resource file.
...
ASP.Net MVC: How to display a byte array image from model
...
Something like this may work...
@{
var base64 = Convert.ToBase64String(Model.ByteArray);
var imgSrc = String.Format("data:image/gif;base64,{0}", base64);
}
<img src="@imgSrc" />
As mentioned in the comments below, please use the above armed with the knowledge that although th...
Spring Data: “delete by” is supported?
...elete from User u where u.firstName = ?1")
void deleteUsersByFirstName(String firstName);
}
Update:
In modern versions of Spring Data JPA (>=1.7.x) query derivation for delete, remove and count operations is accessible.
public interface UserRepository extends CrudRepository<User, Long&...
PostgreSQL query to return results as a comma separated list
...
SELECT string_agg(id::text, ',') FROM table
Requires PostgreSQL 9.0 but that's not a problem.
share
|
improve this answer
...
How do I convert a String object into a Hash object?
I have a string which looks like a hash:
13 Answers
13
...