大约有 15,000 项符合查询结果（耗时：0.0305秒） [XML]
Workflow for statistical analysis and report writing
...nction. It's completely self-contained, including all the analysis, data, etc. And you can version control the whole file.
I use the StatET plugin for Eclipse for developing the reports, and Sweave is integrated (Eclipse recognizes latex formating, etc). On Windows, it's easy to use MikTEX.
I w...
Writing outputs to log file and console
...ath, redirect outputs and errors to log file, database connection details, etc ) which redirects all the outputs ( echo messages ) and errors to the log file from the executed script using the following code:
...
Mixin vs inheritance
...add ColorAndDimension to a, say, Shape class, a Sprite class, a Car class, etc. And they will all have the same interface (say get/setColor, get/setHeight/Width, etc.)
So, in the generic case a mixin IS inheritance. But you can argue it's a matter of the role of the class in the overall domain as to...
“You have mail” message in terminal, os X [closed]
... Hitting any key will cause it to continue to display more of the message, etc., until you read the end of it. Or you can scroll with your mouse/touchpad. You may be able to hit q to abort viewing the message (I can't test that just now, but try it).To delete all messages, you'd use command d *. To ...
Pointers vs. values in parameters and return values
...eful use of pointers to items, items are small enough to copy efficiently, etc.). Sometimes you have to think about or measure the specifics of your situation, but that's a rough guide.
share
|
impr...
Hibernate dialect for Oracle Database 11g?
...*, ROWNUM rnum FROM (
SELECT * FROM TABLES INCLUDING JOINS, ORDERING, etc.) a
WHERE ROWNUM <= 10 )
WHERE rnum > 0;
But there can be other nuances.
share
|
improve this answer
...
What's the difference between Require.js and simply creating a element in the DOM? [closed]
...ther systems and libraries that haven't implemented the AMD specification, etc. I tried using Require.JS in a node-webkit project, and Require.JS fought me every step of the way... Contrast that with simply ordering scripts in a certain manner... Of course, you gain lazy-loading with Require.JS, whi...
Difference between @OneToMany and @ElementCollection?
...s not a collection of entities, but a collection of simple types (Strings, etc.) or a collection of embeddable elements (class annotated with @Embeddable).
It also means that the elements are completely owned by the containing entities: they're modified when the entity is modified, deleted when the...
Heavy usage of Python at Google [closed]
... not
as fast as Java or C++, threading
sucks, memory usage is higher, etc.
One of the design constraints we face
when designing any new system is,
"what happens when the load goes up
by 10x or 100x? What happens if the
whole planet thinks your new service
is awesome?" Any technol...
Clang optimization levels
On gcc, the manual explains what -O3 , -Os , etc. translate to in terms of specific optimisation arguments ( -funswitch-loops , -fcompare-elim , etc.)
...