大约有 12,000 项符合查询结果（耗时：0.0213秒） [XML]
Storing JSON in database vs. having a new column for each key
... age 12
2 name Jeremiah
3 fav_food pizza
.................
EDIT
For storing history/multiple keys
uid | meta_id | meta_key | meta_val
----------------------------------------------------
1 1 name Frank
...
How do I make an HTTP request in Swift?
... Handling
Alamofire.request(.GET, "http://httpbin.org/get", parameters: ["foo": "bar"])
.response { request, response, data, error in
print(request)
print(response)
print(error)
}
...
Concurrent HashSet in .NET Framework?
...Therefore, using a byte, an empty struct, or similar may reduce the memory footprint (or it may not if the runtime aligns the data on native memory boundaries for faster access).
– Lucero
Nov 8 '14 at 1:12
...
using extern template (C++11)
... the headers were incomplete:
void f();: just declaration, no body
class foo: declares method f() but has no definition
So I would recommend just removing the extern template definition in that particular case: you only need to add them if the classes are completely defined.
For example:
Templ...
What goes into the “Controller” in “MVC”?
...ith that data; if you have a rule that says that for all cases where TABLE.foo == "Hooray!" and TABLE.bar == "Huzzah!" then set TABLE.field="W00t!", then you want the Model to take care of it.
The Controller is what should be handling the bulk of the application's behavior. So to answer your quest...
C# 'is' operator performance
...s;
namespace ConsoleApplication3
{
class MyClass
{
double foo = 1.23;
}
class Program
{
static void Main(string[] args)
{
MyClass myobj = new MyClass();
int n = 10000000;
Stopwatch sw = Stopwatch.StartNew();
...
Java heap terminology: young, old and permanent generations?
...ses generational garbage collection. This means that if you have an object foo (which is an instance of some class), the more garbage collection events it survives (if there are still references to it), the further it gets promoted. It starts in the young generation (which itself is divided into mul...
SVN how to resolve new tree conflicts when file is added on two branches
...
Thanks, this also solves: C foo.txt > local add, incoming add upon update
– lazysoundsystem
Jul 9 '10 at 20:25
5
...
What is external linkage and internal linkage?
...tic
// the same goes for functions (but there are no const functions)
int foo(); // extern by default
static int bar(); // explicitly static
Note that instead of using static for internal linkage it is better to use anonymous namespaces into which you can also put classes. The linkage for anonym...
PHP $_SERVER['HTTP_HOST'] vs. $_SERVER['SERVER_NAME'], am I understanding the man pages correctly?
... or you check the host name against a white list:
$allowed_hosts = array('foo.example.com', 'bar.example.com');
if (!isset($_SERVER['HTTP_HOST']) || !in_array($_SERVER['HTTP_HOST'], $allowed_hosts)) {
header($_SERVER['SERVER_PROTOCOL'].' 400 Bad Request');
exit;
}
...