大约有 9,210 项符合查询结果(耗时:0.0248秒) [XML]
Android Spinner : Avoid onItemSelected calls during initialization
I created an Android application with a Spinner and a TextView . I want to display the selected item from the Spinner's drop down list in the TextView. I implemented the Spinner in the onCreate method so when I'm running the program, it shows a value in the TextView (before selecting an item ...
Proper MIME media type for PDF files
When working with PDFs, I've run across the MIME types application/pdf and application/x-pdf among others.
3 Answers
...
'0000-00-00 00:00:00' can not be represented as java.sql.Timestamp error
...
Do you know if there's a MariaDB equivalent to append to my jdbc URL? jdbc:mariadb://localhost:3306/dev?zeroDateTimeBehavior=convertToNull doesn't seem to work for me.
– jeffkempf
Mar 1 '17 at 19:02
...
UITextfield leftView/rightView padding on iOS7
...es it look more like a built-in Search bar such as the one in the Contacts app. Great solution on this, thanks for posting it.
– James Toomey
Dec 28 '17 at 18:20
...
linq query to return distinct field values from a list of objects
...
To have DistinctBy to appear you need to add the namespace Microsoft.Ajax.Utilities
– Shiljo Paulson
Aug 11 '16 at 1:33
1
...
Where/How to getIntent().getExtras() in an Android Fragment? [duplicate]
...hough this specific example is given for API 3.0+ fragments, the same flow applies when using FragmentActivity and Fragment from the support library.
You first retrieve the intent extras as usual in your activity and pass them on as arguments to the fragment:
public static class DetailsActivity ex...
Changing image size in Markdown
...Markdown implementations (including Mou and Marked 2 (only macOS)) you can append =WIDTHxHEIGHT after the URL of the graphic file to resize the image. Do not forget the space before the =.

You can skip the HEIGHT

...
“Missing compiler required member” error being thrown multiple times with almost no changes to code
...at. Library now builds :) Q. Can I use this .NetStandard library in Linux app, given the Microsofct reference?
– David Jones
Aug 27 '19 at 12:10
...
How do I preview emails in Rails?
...eview/modify mails they are about to send ? (Ex : a manager refuses a user application, and an email is sent to warn the applicant)
– Cyril Duchon-Doris
Feb 20 '15 at 20:51
2
...
How to determine MIME type of file in android?
....equals(ContentResolver.SCHEME_CONTENT)) {
ContentResolver cr = getAppContext().getContentResolver();
mimeType = cr.getType(uri);
} else {
String fileExtension = MimeTypeMap.getFileExtensionFromUrl(uri
.toString());
mimeType = MimeTypeMap.getSingle...