大约有 38,000 项符合查询结果（耗时：0.0503秒） [XML]
SQLAlchemy: What's the difference between flush() and commit()?
... before executing the query. https://docs.sqlalchemy.org/en/13/orm/session_api.html#sqlalchemy.orm.session.Session.params.autoflush
Autocommit is something else that I don't completely understand but it sounds like its use is discouraged:
https://docs.sqlalchemy.org/en/13/orm/session_api.html#sqlal...
Differences between Exception and Error
...ntException is Runtime exception, not Error. docs.oracle.com/javase/7/docs/api/java/lang/…
– Gangnus
Mar 14 '19 at 14:20
add a comment
|
...
How to resize Image in Android?
...inSampleSize = scaleFactor;
bmOptions.inPurgeable = true; //Deprecated API 21
return BitmapFactory.decodeFile(photoPath, bmOptions);
}
share
|
improve this answer
|
...
Retrieving the text of the selected in element
...text
MDN's documentation at https://developer.mozilla.org/en-US/docs/Web/API/HTMLSelectElement/selectedOptions indicates full cross-browser support (as of at least December 2017), including Chrome, Firefox, Edge and mobile browsers, but excluding Internet Explorer.
...
libcurl网络连接使用tcp/ip - C/C++ - 清泛网 - 专注C/C++及内核技术
...t from the curl handle - we'll need it for waiting.
* Note that this API takes a pointer to a 'long' while we use
* curl_socket_t for sockets otherwise.
*/
res = curl_easy_getinfo(curl, CURLINFO_LASTSOCKET, &sockextr);
if(CURLE_OK != res)
{
printf("Error: %s\n...
What is Virtual DOM?
...ry quickly without actually touching the real DOM or going through the DOM API. Then, when it renders a component, it uses this virtual DOM to figure out what it needs to do with the real DOM to get the two trees to match.
You can think of the virtual DOM like a blueprint. It contains all the detai...
When to use actors instead of messaging solutions such as WebSphere MQ or Tibco Rendezvous?
...
One the Akka Java API -- it's very clean now, especially with JDK 8 lambdas. I suspect it will get better if/when they introduce value objects with JDK 10.
– Rob Crawford
Oct 18 '17 at 13:57
...
When should one use final for method parameters and local variables?
... final fields.
Consider but use judiciously:
Final classes - Framework/API design is the only case where I consider it.
Final methods - Basically same as final classes. If you're using template method patterns like crazy and marking stuff final, you're probably relying too much on inheritance a...
How to get the URL without any parameters in JavaScript?
...Microsoft Internet Explorer <= 10: developer.mozilla.org/en-US/docs/Web/API/Location/origin
– gouessej
Aug 8 at 9:48
add a comment
|
...
Fat models and skinny controllers sounds like creating God models [closed]
...ntroller changes the state of model layer, but it is done by using a clear API and without messing with internal structures (which would cause a leaky abstraction).
Such changes can either cause some immediate reaction, or only affect the data that the view instance requests from model layer, or bot...