大约有 30,000 项符合查询结果（耗时：0.0425秒） [XML]
@Basic(optional = false) vs @Column(nullable = false) in JPA
...arks the property as not optional on the Java object level. What does that mean ? So, only @Basic is like saying that make the database column NOT NULL for said variable ?
– Erran Morad
May 10 '14 at 0:12
...
When does Java's Thread.sleep throw InterruptedException?
...
If an InterruptedException is thrown it means that something wants to interrupt (usually terminate) that thread. This is triggered by a call to the threads interrupt() method. The wait method detects that and throws an InterruptedException so the catch code can han...
Base64: What is the worst possible increase in space usage?
...s. In addition the output is padded to always be a multiple of four.
This means that the size of the base-64 representation of a string of size n is:
ceil(n / 3) * 4
So, for a 16kB array, the base-64 representation will be ceil(16*1024/3)*4 = 21848 bytes long ~= 21.8kB.
A rough approximation wo...
can't push to branch after rebase
...ted changes. Also, if I can't fast-forward merge to the master branch that means either someone has rebased the remote master (for which they need to be flogged severely) or I accidentally committed to master and need to clean up my end.
Then when remote has changes and I've fast forwarded to the l...
The “backspace” escape character '\b': unexpected behavior?
...
Well, yes, but the subsequent \b will mean the next output character will overwrite it.
– Peter K.
May 15 '14 at 1:53
1
...
Will using goto leak variables?
...doesn't let you break the language.
Of course, this doesn't automatically mean that you "should" use goto for any given problem, but it does mean that it is not nearly as "evil" as the common myth leads people to believe.
s...
What is so special about Generic.xaml?
...
Can you clarify what you mean by "default styles"? Does this mean that all buttons would automatically take on a style whose TargetType is "Button"? Or do I still need to reference the x:Key by writing <Button Style="{StaticResource MyButtonStyle}...
How to configure a HTTP proxy for svn
...
This is client side configuration. The 'servers' file means settings to connect to servers. See svnbook.red-bean.com/en/1.1/ch07.html#svn-ch-7-sect-1.3.1
– Kimvais
Sep 30 '09 at 7:16
...
How to stop mysqld
...
@lordB8r what does b/c it mean? I tried kill -9 mysqld(pid) but it restart immediately after that, this is torturing me.
– Zen
Aug 30 '14 at 9:01
...
jQuery 1.9 .live() is not a function
...
jQuery .live() has been removed in version 1.9 onwards.
That means if you are upgrading from version 1.8 and earlier, you will notice things breaking if you do not follow the migration guide below. You must not simply replace .live() with .on()!
Read before you start doing a search ...