大约有 44,000 项符合查询结果（耗时：0.0366秒） [XML]
How can I deserialize JSON to a simple Dictionary in ASP.NET?
...he best way to deserialize into a dictionary is to use dynamic as the type for the values: JsonConvert.DeserializeObject<Dictionary<string, dynamic>>(json);
– Erik Schierboom
Jun 16 '13 at 9:57
...
How to update a menu item shown in the ActionBar?
...
Option #1: Try invalidateOptionsMenu(). I don't know if this will force an immediate redraw of the action bar or not.
Option #2: See if getActionView() returns anything for the affected MenuItem. It is possible that showAsAction simply automatically creates action views for you. If so, you...
How to join two sets in one line without using “|”
...ing the join operator | , how can I find the union of the two sets? This, for example, finds the intersection:
8 Answers
...
Problems with contenttypes when loading a fixture in Django
...
manage.py dumpdata --natural will use a more durable representation of foreign keys. In django they are called "natural keys". For example:
Permission.codename is used in favour of Permission.id
User.username is used in favour of User.id
Read more: natural keys section in "serializing django...
android:drawableLeft margin and/or padding
Is it possible to set the margin or padding for the image which we added with the android:drawableLeft ?
18 Answers
...
How to do SELECT COUNT(*) GROUP BY and ORDER BY in Django?
...d to constrain the columns that are
returned in the result set, the method for evaluating annotations is
slightly different. Instead of returning an annotated result for each
result in the original QuerySet, the original results are grouped
according to the unique combinations of the fields specifie...
Is it possible to install APK file if more than one emulators/devices are connected [duplicate]
...pecific name ?
Actually i have to test one apk file in to many device. and for that i have started many device. I know how to install it. if the all device are open then it will not get install. So is there any alternate to install that apk file by giving any specific device Emulator id or any name ...
How to display unique records from a has_many through relationship?
...omitted from the collection. Useful in conjunction with :through.
UPDATE FOR RAILS 4:
In Rails 4, has_many :products, :through => :orders, :uniq => true is deprecated. Instead, you should now write has_many :products, -> { distinct }, through: :orders. See the distinct section for has_ma...
How do I create delegates in Objective-C?
...interested in, and mark that class as implementing the delegate protocol.
For example, suppose you have a UIWebView. If you'd like to implement its delegate's webViewDidStartLoad: method, you could create a class like this:
@interface MyClass<UIWebViewDelegate>
// ...
@end
@implementation M...
How to set the text color of TextView in code?
...olor. Meaning that it needs to be dereferenced (as it is in your example), for clarity.
– nyaray
Aug 14 '13 at 23:52
I...