大约有 30,000 项符合查询结果（耗时：0.0403秒） [XML]
TypeScript: casting HTMLElement
...ile uses specialized overload signatures that return the correct types for calls to getElementsByTagName.
This means you no longer need to use type assertions to change the type:
// No type assertions needed
var script: HTMLScriptElement = document.getElementsByTagName('script')[0];
alert(script.t...
Python json.loads shows ValueError: Extra data
...') # == json.loads(json.dumps({}) + json.dumps({}))
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "C:\Python27\lib\json\__init__.py", line 338, in loads
return _default_decoder.decode(s)
File "C:\Python27\lib\json\decoder.py", line 368, in decode
...
Selenium c# Webdriver: Wait Until Element is Present
...sting performance, since the implicit wait will be used in all FindElement calls.
Many times you'll want the FindElement to fail right away when an element is not present (you're testing for a malformed page, missing elements, etc.). With the implicit wait these operations would wait for the whole t...
Show Youtube video source into HTML5 video tag?
...se to retrieve the page source. I think Youtube generates this HTML dynamically (at least currently) so in testing if I copy in Firefox this works in Firefox, but not Chrome, for example.
share
|
i...
How do I avoid capturing self in blocks when implementing an API?
...fied inside the block (we're not doing that) but also they are not automatically retained when the block is retained (unless you are using ARC). If you do this, you must be sure that nothing else is going to try to execute the block after the MyDataProcessor instance is released. (Given the structur...
What are detached, persistent and transient objects in hibernate?
...osing the session that read in the instance, one can detach an instance by calling session.evict(). This removes it from being managed by Hibernate (thus prevent changes to the instance from being automatically propagated back to the db). You can send changes to the db via session.update(), and re-a...
Call Javascript function from URL/address bar
Is it possible to call a javascript function from the URL? I am basically trying to leverage JS methods in a page I don't have access to the source.
...
Postgres manually alter sequence
...('payments_id_seq', 21, true); # next value will be 22
Otherwise you're calling setval with a single argument, while it requires two or three.
share
|
improve this answer
|
...
Java - JPA - @Version annotation
...t you could consider making the setter protected as you're not supposed to call it.
share
|
improve this answer
|
follow
|
...
Change auto increment starting number?
... @SQL;
EXECUTE _stmt;
DEALLOCATE PREPARE _stmt;
END//
DELIMITER ;
CALL update_auto_increment('your_table_name')
share
|
improve this answer
|
follow
...