大约有 13,000 项符合查询结果（耗时：0.0236秒） [XML]
How to retrieve the dimensions of a view?
... grid. The methods getHeight() and getWidth() always return 0. This happens when I format the grid dynamically and also when I use an XML version.
...
Getting the current Fragment instance in the viewpager
... @Maarten No, it's just a common hack that has been used since the adapter appeared(and its source code was available), it hasn't changed yet. If you want something more reliable you'll need to use other options, most notable overriding the instantiateItem() method and getting references to the prop...
Cannot overwrite model once compiled Mongoose
...y one mongoDB server instance and more Databases, if you define in another app the a database already taken then you got such error. Simply as that
– Carmine Tambascia
Dec 16 '19 at 17:28
...
How do I draw a shadow under a UIView?
...ct: .
Any drawing that should be affected by the shadow setting needs to happen after
CGContextSetShadow(currentContext, CGSizeMake(-15, 20), 5);
but before
CGContextRestoreGState(currentContext);
So if you want the superclass's drawRect: to be 'wrapped' in a shadow, then how about if you re...
What is Python used for? [closed]
...ython will let you do:
Web Development:
You can use Python to create web applications on many levels of complexity. There are many excellent Python web frameworks including, Pyramid, Django and Flask, to name a few.
Data Analysis:
Python is the leading language of choice for many data scientists...
Add floating point value to android resources/values
...nteger" format="float">0.60</item>
Use from a layout.xml file
app:layout_constraintGuide_percent="@integer/guideline_button_top"
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Where's my JSON data in my incoming Django request?
...$.ajax({
url: '/event/save-json/',
type: 'POST',
contentType: 'application/json; charset=utf-8',
data: $.toJSON(myEvent),
dataType: 'text',
success: function(result) {
alert(result.Result);
}
});
Django:
def save_events_json(request):
if request.is_ajax():
...
Encrypt and decrypt a string in C#?
...naged%28v=vs.95%29.aspx
Good luck!
public class Crypto
{
//While an app specific salt is not the best practice for
//password based encryption, it's probably safe enough as long as
//it is truly uncommon. Also too much work to alter this answer otherwise.
private static byte[] _sa...
Return a value if no rows are found in Microsoft tSQL
...
Some apps does not allow you "simply" check
– Nadia Solovyeva
Convert JSON String To C# Object
... uses JavascriptSerializer to do the work, which can be referenced in your app using the info detailed in this post.
The below code can be run in LinqPad to test it out by:
Right clicking on your script tab in LinqPad, and choosing "Query
Properties"
Referencing the "System.Web.Extensions.dll" i...