大约有 47,000 项符合查询结果（耗时：0.0452秒） [XML]
Python json.loads shows ValueError: Extra data
I am getting some data from a JSON file "new.json", and I want to filter some data and store it into a new JSON file. Here is my code:
...
Insert, on duplicate update in PostgreSQL?
...d from an answer on Stack Overflow how to perform multiple updates at once in MySQL using the following syntax:
16 Answers
...
Undoing a 'git push'
...
You need to make sure that no other users of this repository are fetching the incorrect changes or trying to build on top of the commits that you want removed because you are about to rewind history.
Then you need to 'force' push the old reference.
git push -f origin last_known_good_commit:br...
SQL keys, MUL vs PRI vs UNI
What is the difference between MUL , PRI and UNI in MySQL?
4 Answers
4
...
Android 4.3 menu item showAsAction=“always” ignored
I'm using the new v7 appcompat library available starting from Android 4.3 (API level 18).
12 Answers
...
jekyll markdown internal links
Jekyll uses Markdown-formatted links, but how can I link to internal content?
6 Answers
...
SQL UPDATE all values in a field with appended string CONCAT not working
...----+-------+
| id | data |
+------+-------+
| 1 | max |
| 2 | linda |
| 3 | sam |
| 4 | henry |
+------+-------+
4 rows in set (0.02 sec)
mysql> update t set data=concat(data, 'a');
Query OK, 4 rows affected (0.01 sec)
Rows matched: 4 Changed: 4 Warnings: 0
mysql> selec...
How to draw rounded rectangle in Android UI?
I need to draw a rounded rectangle in the Android UI. Having the same rounded rectangle for TextView and EditText would also be helpful.
...
Do SVG docs support custom data- attributes?
In HTML5, elements can have arbitrary metadata stored in XML attributes whose names start with data- such as <p data-myid="123456"> . Is this part of the SVG spec too?
...
How do I get extra data from intent on Android?
How can I send data from one activity (intent) to another?
16 Answers
16
...