大约有 22,000 项符合查询结果（耗时：0.0239秒） [XML]
Redis: Show database size/size for keys
...ue require to be stored in RAM.
The reported usage is the total of memory allocations for data and administrative overheads that a key its value require
(source redis documentation)
share
|
improve...
Autocompletion in Vim
...t. You have to "hack" it to make it work with JavaScript, ActionScript and PHP. Here I explain how I do it. And here is another hint for PHP.
– romainl
Mar 2 '11 at 20:07
...
How to deny access to a file in .htaccess
...ss file in the root of a virtual server (apache 2.4):
<Files "reminder.php">
require all denied
require host localhost
require ip 127.0.0.1
require ip xxx.yyy.zzz.aaa
</Files>
This prevents external access to reminder.php which is in a subdirectory.
I have a similar .htaccess file on ...
nginx server_name wildcard or catch-all
...ork great. Now I'd like all other domain requests to go to a single index.php - I have loads of domains and subdomains and it's impractical to list them all in an nginx config.
...
How can I add a boolean value to a NSDictionary?
...
Try this:
NSMutableDictionary *dic = [[NSMutableDictionary alloc] init];
[dic setObject:[NSNumber numberWithBool:TRUE] forKey:@"Pratik"];
[dic setObject:[NSNumber numberWithBool:FALSE] forKey:@"Sachin"];
if ([dic[@"Pratik"] boolValue])
{
NSLog(@"Boolean is TRUE for 'Pratik'");
...
How to change href of tag on button click through javascript
...Link").onclick = function() {
document.getElementById("abc").href="xyz.php";
return false;
};
</script>
share
|
improve this answer
|
follow
...
Setting variable to NULL after free
... int *nPtr=NULL;. Now, I would agree that this would be redundant, with a malloc following right in the next line. However, if there is code between the declaration and the first initialization, somebody might start using the variable even though it has no value yet. If you null-initialize, you get ...
No output to console from a WPF application?
...32.dll";
[DllImport(Kernel32_DllName)]
private static extern bool AllocConsole();
[DllImport(Kernel32_DllName)]
private static extern bool FreeConsole();
[DllImport(Kernel32_DllName)]
private static extern IntPtr GetConsoleWindow();
[DllImport(Kernel32_DllName)]
p...
Should I use an exception specifier in C++?
...
try
{
std::vector<TObj> k( 1000 );
// ...
}
catch( const bad_alloc& b )
{
MessageUser( "out of memory, exiting process" );
throw;
}
Nevertheless, when your library just throws your own exceptions, you can use exception specifications to state your intent.
...
When to use inline function and when not to use it?
...iron reason to avoid inlining a function. The implementation is obliged to allocate a single static object for each function static whether or not the function is declared inline or not. Classes are still extensible if they have inline constructors and virtual destructors. And empty brace destructor...