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List All Redis Databases
... following command to list the databases for which some keys are defined:
INFO keyspace
# Keyspace
db0:keys=10,expires=0
db1:keys=1,expires=0
db3:keys=1,expires=0
Please note that you are supposed to use the "redis-cli" client to run these commands, not telnet. If you want to use telnet, then you...
cURL equivalent in Node.js?
I'm looking to use information from an HTTP request using Node.js (i.e. call a remote web service and echo the response to the client).
...
How to disable margin-collapsing?
...
Have turned my answer into a community wiki. Please feel free to extend it with your answer. Thanks.
– hqcasanova
Oct 24 '14 at 20:43
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How to change the name of an iOS app?
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Go to Targets in Xcode
Get Info on your project's target (your current development name)
Search for Product Name under Packaging. Change the value of what you want the your new project name to be.
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c++ 写日志通用类，可设置日志级别 - C/C++ - 清泛网 - 专注C/C++及内核技术
...VEL_FATAL 0
#define LEVEL_ERROR 1
#define LEVEL_WARN 2
#define LEVEL_INFO 3
#define LEVEL_VERBOSE 4
#define LEVEL_DEBUG 5
static int nLoggerLevel = LEVEL_INFO;
void SetLoggerLevel(int nLevel);
void Log(int nLevel, LPCSTR func, INT line, LPCTSTR fmt, ...);
static const char * const ...
phpcms v9类别调用方法 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...ys[$catid])) showmessage(L('missing_part_parameters'));
if(isset($_GET['info']['catid']) && $_GET['info']['catid']) {
$catid = intval($_GET['info']['catid']);
} else {
$_GET['info']['catid'] = 0;
}
if(isset($_GET['typeid']) && trim($_GET['typeid']) != '') {
$typeid = intval($...
php发送get、post请求的几种方法 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...($URL,$data,$cookie, $referrer="")
{
// parsing the given URL
$URL_Info=parse_url($URL);
// Building referrer
if($referrer=="") // if not given use this script as referrer
$referrer="111";
// making string from $data
foreach($data as $key=>$value)
$values[]="$key=".urlencode($val...
Is recursion a feature in and of itself?
...t do differ in other ways)- In both cases, a return address and all method info is being loaded to the stack. In a recursion case, the return address is simply the line right after the method calling (of course its not exactly what you see in the code itself, but rather in the code the compiler crea...
Meaning of acronym SSO in the context of std::string
...t calling malloc / new) are generally much faster than those involving the free store ("the heap", which are variables that are created using new). However, the size of automatic arrays is fixed at compile time, but the size of arrays from the free store is not. Moreover, the stack size is limited (...
Which parts of Real World Haskell are now obsolete or considered bad practice?
... return (Left err)
else do
reg <- newForeignPtr finalizerFree pcre_ptr -- release with free()
return (Right (Regex reg str))
As malloc() should be used with free(), new with delete, allocate with deallocate, one should always use the correct function.
TL;DR You should...