大约有 14,000 项符合查询结果（耗时：0.0381秒） [XML]
What is the difference between MySQL Server and MySQL Client
...
The mysql server package will install the mysql database server which you can interact with using a mysql client. You can use the mysql client to send commands to any mysql server; on a remote computer or your own.
The mysql server is used to persist the data and provide a query interface for it (...
Full screen in WPF application
I am developing a WPF application which will be displayed in Full screen.
In addition, the application should work on many tablets of multiple dimensions.
I'd like my application to run in full screen independently from its dimensions.
...
Difference between CLOB and BLOB from DB2 and Oracle Perspective?
...
They can be considered as equivalent. The limits in size are the same:
Maximum length of CLOB (in bytes or OCTETS)) 2 147 483 647
Maximum length of BLOB (in bytes) 2 147 483 647
There is also the DBCLOBs, for double byt...
R object identification
...letters)
obj <- list(a=1:26, b=letters, c=list(d=1:26, e=letters))
data(cars)
obj <- lm(dist ~ speed, data=cars)
..etc.
If obj is an S3 or S4 object, you can also try methods or showMethods, showClass, etc. Patrick Burns' R Inferno has a pretty good section on this (sec #7).
EDIT: Dirk an...
Check if a method exists
Is there any way I can test if a method exists in Objective-C?
5 Answers
5
...
Git: Discard all changes on a diverged local branch
I have a local topic branch that's tracking a remote branch. For the sake of argument, say the commit histories look like this:
...
How can I get the font size and font name of a UILabel?
...
Does not work. I can write text in it, but the fontName and pointSize is null.
– Tim
Feb 2 '11 at 9:18
...
Class constants in python
In python, I want a class to have some "constants" (practically, variables) which will be common in all subclasses. Is there a way to do it with friendly syntax?
Right now I use:
...
SELECT INTO using Oracle
...reate a new but empty table then use a WHERE clause with a condition which can never be true:
create table new_table as
select * from old_table
where 1 = 2
/
Remember that CREATE TABLE ... AS SELECT creates only a table with the same projection as the source table. The new table does not have a...
Use logging print the output of pprint
...
The solution above didn't quite cut it for me because I'm also using a formatter to add name and levelname when logging. It looks a little untidy:
__main__ : DEBUG : ['aaaaaaaaaaaaaaaaaaaa',
'bbbbbbbbbbbbbbbbbbbb',
'cccccccccccccccccccc',
'dddddddddddddddddddd']
__ma...