大约有 49,000 项符合查询结果（耗时：0.0615秒） [XML]
JPA CascadeType.ALL does not delete orphans
...ments
delete all child elements
delete main row
close session
With JPA 2.0, you can now use the option orphanRemoval = true
@OneToMany(mappedBy="foo", orphanRemoval=true)
share
|
improve this ...
Preserve Line Breaks From TextArea When Writing To MySQL
...
Two solutions for this:
PHP function nl2br():
e.g.,
echo nl2br("This\r\nis\n\ra\nstring\r");
// will output
This<br />
is<br />
a<br />
string<br />
Wrap the input in <pre></pre> tags.
See: W3C Wiki - HTML/Elements/pre
...
Could not insert new outlet connection [duplicate]
...
255
I got the same problem as you today... I think this is a bug of Xcode, below is the way to fix...
How to make a in Bootstrap look like a normal link in nav-tabs?
I'm working in (formerly Twitter) Bootstrap 2 and I wanted to style buttons as though they were normal links. Not just any normal links, though; these are going in a <ul class="nav nav-tabs nav-stacked"> container. The markup will end up like this:
...
Can I create a One-Time-Use Function in a Script or Stored Procedure?
In SQL Server 2005, is there a concept of a one-time-use, or local function declared inside of a SQL script or Stored Procedure? I'd like to abstract away some complexity in a script I'm writing, but it would require being able to declare a function.
...
How to get a random number in Ruby
...sided die, you'd use: 1 + rand(6). A roll in craps could be simulated with 2 + rand(6) + rand(6).
Finally, if you just need a random float, just call rand with no arguments.
As Marc-André Lafortune mentions in his answer below (go upvote it), Ruby 1.9.2 has its own Random class (that Marc-...
How to get the current time in milliseconds from C in Linux?
...
Here is an example of how to use clock_gettime:
#define _POSIX_C_SOURCE 200809L
#include <inttypes.h>
#include <math.h>
#include <stdio.h>
#include <time.h>
void print_current_time_with_ms (void)
{
long ms; // Milliseconds
time_t s; // Second...
How do I rename my Git 'master' branch to 'release'?
...
|
edited Jul 27 at 20:17
Peter Mortensen
26.5k2121 gold badges9292 silver badges122122 bronze badges
...
How do I add a ToolTip to a control?
...
209
Here is your article for doing it with code
private void Form1_Load(object sender, System.Eve...
android.content.res.Resources$NotFoundException: String resource ID #0x0
...
|
edited Nov 24 '13 at 16:46
Ahmad
54.4k1717 gold badges102102 silver badges130130 bronze badges
...