大约有 40,000 项符合查询结果（耗时：0.0648秒） [XML]
Why was “Avoid Enums Where You Only Need Ints” removed from Android's performance tips?
...a bunch of prejudices. it's been rewritten to only contain facts backed up by actual benchmarks, and it's updated as the VM is updated. you can find the various benchmarks -- plus some of the benchmarks we use to optimize the core libraries -- at http://code.google.com/p/dalvik/.
...
What is the difference between the Eclipse Package Explorer and the Eclipse Project Explorer?
...erarchical view of the
artifacts in the Workbench, which is
customized by the specific
configuration of your Workbench.
With only the java developer tools (JDT) installed the Project Explorer nearly looks and behaves for java projects as the Package Explorer (including refactoring and other ...
How to fix java.net.SocketException: Broken pipe?
...
This is caused by:
most usually, writing to a connection when the other end has already closed it;
less usually, the peer closing the connection without reading all the data that is already pending at his end.
So in both cases you have ...
Discard Git Stash Pop
...it is not
removed from the stash list. You need to resolve the conflicts by hand
and call git stash drop manually afterwards.
share
|
improve this answer
|
follow
...
Why does Maven warn me about encoding?
...target/generated-sources/archetype/pom.xml and then runs the package goal (by default) on this POM.
The generated POM file doesn't have project.build.sourceEncoding or any other property defining encoding, and that's why you get the warning.
The POM is generated from this prototype by org.apache.m...
Computed / calculated / virtual / derived columns in PostgreSQL
...columns are not supported - as defined in the SQL standard and implemented by some RDBMS including DB2, MySQL and Oracle. Nor the similar "computed columns" of SQL Server.
STORED generated columns are introduced with Postgres 12. Trivial example:
CREATE TABLE tbl (
int1 int
, int2 int
, pr...
Django Setup Default Logging
...
Figured it out...
You set the 'catch all' logger by referencing it with the empty string: ''.
As an example, in the following setup I have the all log events getting saved to logs/mylog.log, with the exception of django.request log events which will be saved to logs/django...
Change branch base
...ck the commit history
$ git push -f origin HEAD # replace the remote PRO by local PRO branch history
# git branch -D PRO.bac # delete local PRO.bac branch
share
|
improve this answer
...
First-time database design: am I overengineering? [closed]
...n certainly do this but you can have an even greater impact on performance by introducing a snapshot mechanism where a scheduled process runs and stores pre-configured reports and your users access the snapshot data with no stress on your db tier on a per request basis.
All of this is a long-winded...
Visual Studio refuses to forget breakpoints?
... breakpoints in the application. Here, you select and clear the breakpoint by clicking the Delete button from the toolbar on the Breakpoints pane.
– jams
May 12 '11 at 20:50
...