大约有 46,000 项符合查询结果(耗时:0.0620秒) [XML]
What is `params.require(:person).permit(:name, :age)` doing in Rails 4?
All the examples of strong parameters in Rails 4 docs use
2 Answers
2
...
LINQ to SQL: Multiple joins ON multiple Columns. Is this possible?
...the same. The names part is a gotcha. This example won't compile even if all columns are varchars join T2 in db.tbl2 on new { T1.firstName, T1.secondName } equals new { T2.colFirst, T2.colSecond }. If you change it to this, it will compile however, join T2 in db.tbl2 on new { N1 = T1.firstName, N...
Unique Constraint in Entity Framework Code First
.../2010/03/…
– Nathan
Jan 15 '14 at 16:32
3
...
Windows下 C++网络延时检测 - C/C++ - 清泛网 - 专注C/C++及内核技术
...
#include "Ping.h"
CPing::CPing()
{
bValid = FALSE;
// Dynamically load the ICMP.DLL
hndlIcmp = LoadLibrary("ICMP.DLL");
if (hndlIcmp == NULL)
{
/*cprintf("Error: Could not load ICMP.DLL\n");*/
return;
}
// Retrieve ICMP function pointers
pIcmpCreateFile = (HANDLE (WI...
AngularJS ng-click stopPropagation
...
ngClick directive (as well as all other event directives) creates $event variable which is available on same scope. This variable is a reference to JS event object and can be used to call stopPropagation():
<table>
<tr ng-repeat="user in users...
insert multiple rows via a php array into mysql
...like you might be running into string-handling problems in PHP, which is really an algorithm problem, not a language one. Basically, when working with large strings, you want to minimize unnecessary copying. Primarily, this means you want to avoid concatenation. The fastest and most memory efficient...
How to get current date & time in MySQL?
...------+-------------------------+------------------+
| 2018-11-27 01:40:08.160 | 2018-11-27 01:40:08.160 | 1543282808 |
+-------------------------+-------------------------+------------------+
Related:
Difference between NOW(), SYSDATE() & CURRENT_DATE() in MySQL
...
What's the recommended way to connect to MySQL from Go?
...
|
edited Apr 1 '16 at 10:38
answered Jul 6 '12 at 6:41
...
Node.js: printing to console without a trailing newline?
...line character.
– Paul
Feb 3 '14 at 16:59
@Paulpro isn't '\n' the newline char ?
– Alexander Mil...
URL-parameters and logic in Django class-based views (TemplateView)
...
NgenatorNgenator
9,16333 gold badges3434 silver badges4343 bronze badges
...