我有一个有2条记录的集合aTable:
{
"title" : "record 1",
"fields" : [
{
"_id" : 1,
"items" : [
1
]
},
{
"_id" : 2,
"items" : [
2,3,4
]
},
{
"_id" : 3,
"items" : [
5
]
}
]
},
{
"title" : "record 2",
"fields" : [
{
"_id" : 4,
"items" : [
7,8,9,10
]
},
{
"_id" : 5,
"items" : [
]
},
{
"_id" : 6,
"items" : [
11,12
]
} …
Run Code Online (Sandbox Code Playgroud) 如何将jstring
(JNI)转换为std::string
(c ++)utf8
字符?
这是我的代码.它适用于非utf8字符,但utf8字符有问题.
std::string jstring2string(JNIEnv *env, jstring jStr){
const char *cstr = env->GetStringUTFChars(jStr, NULL);
std::string str = std::string(cstr);
env->ReleaseStringUTFChars(jStr, str);
return str;
}
Run Code Online (Sandbox Code Playgroud) 我正在尝试在centos 6,5上安装php-cpp.当我运行命令make时,我收到错误:
make: Warning: File `Makefile' has modification time 5.1e+05 s in the future
mkdir -p shared/common
mkdir -p shared/zend
mkdir -p shared/hhvm
g++ -Wall -c -g -std=c++11 -fpic -o shared/common/modifiers.o common/modifiers.cpp
cc1plus: error: unrecognized command line option "-std=c++11"
make: *** [shared/common/modifiers.o] Error 1
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我该怎么做才能解决这个问题?我的g ++是:
g++ (GCC) 4.4.7 20120313 (Red Hat 4.4.7-11)
Copyright (C) 2010 Free Software Foundation, Inc.
This is free software; see the source for copying conditions. There is NO
warranty; not even for MERCHANTABILITY or FITNESS …
Run Code Online (Sandbox Code Playgroud) 我如何用runkit重新定义php中的函数?
$helloWorld = 'echo "Call require_once";';
runkit_function_redefine('require_once', '$word', $helloWorld);
require_once("abc.php");
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我在php.ini中找到了
runkit.internal_override=1
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当我跑,它显示:
Warning: runkit_function_redefine() [function.runkit-function-redefine]: require_once() not found in hhd_debug.php on line 2
Warning: require_once(abc.php) [function.require-once]: failed to open stream: No such file or directory in hhd_debug.php on line 3
Fatal error: require_once() [function.require]: Failed opening required 'abc.php' (include_path='.;xampp\php\PEAR') in hhd_debug.php on line 3
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我怎么能解决它?请帮我!