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How to parse JSON using Node.js? [closed]
...tf8', function (err, data) {
if (err) throw err; // we'll not consider error handling for now
var obj = JSON.parse(data);
});
Synchronous version
var fs = require('fs');
var json = JSON.parse(fs.readFileSync('/path/to/file.json', 'utf8'));
You wanna use require? Think again!
You can ...
Const in JavaScript: when to use it and is it necessary?
...ure that contains information that will never change. If there is room for error, var should always be used. However, not all information that never changes in the lifetime of a program needs to be declared with const. If under different circumstances the information should change, use var to indica...
javax.xml.bind.UnmarshalException: unexpected element (uri:“”, local:“Group”)
...to fix mine problem with iowatiger08 solution.
Here is my fix showing the error message to help join the dots for some.
Error message
javax.xml.bind.UnmarshalException: unexpected element
(uri:"http://global.aon.bz/schema/cbs/archive/errorresource/0",
local:"errorresource"). Expected eleme...
c++ 代码调用nsis安装包实现静默安装 - C/C++ - 清泛网 - 专注C/C++及内核技术
... if (!ShellExecuteEx(&sei)) {
DWORD dwStatus = GetLastError();
if (dwStatus == ERROR_CANCELLED) {
// The user refused to allow privileges elevation.
UpdateMessage(_T("用户拒绝安装，升级失败。"));
...
c++ 代码提升权限，请求管理员身份运行权限 - C/C++ - 清泛网 - 专注C/C++及内核技术
... if (!ShellExecuteEx(&sei)) {
DWORD dwStatus = GetLastError();
if (dwStatus == ERROR_CANCELLED) {
// The user refused to allow privileges elevation.
UpdateMessage(_T("用户拒绝安装，升级失败。"));
...
use of deleted function std::unique_ptr 编译错误剖析，你可能少了一个st...
...编译报错日志如下： usr include c++ 4 7 bits stl_construct h:77:7: error: use of deleted function & 39;std::unique_ptr<_Tp, _Dp>::unique_ptr(const std::unique_p 编译报错日志如下：
/usr/include/c++/4.7/bits/stl_construct.h:77:7: error: use of deleted function 'std::unique_ptr<...
MySQL 启动报错 Table \'mysql.plugin\' doesn\'t exist - 数据库(内核) -...
...t szy bin mysqld: Table 'mysql.plugin ' doesn 't exist141211 15:06:12 [ERROR] Can 't open t...启动报错：
/opt/szy/bin/mysqld: Table \'mysql.plugin\' doesn\'t exist
141211 15:06:12 [ERROR] Can\'t open the mysql.plugin table. Please run mysql_upgrade to create it.
141211 15:06:14 [ERROR...
php出现 Notice: Undefined index: xxx 的解决方法 - 更多技术 - 清泛网 - 专注IT技能提升
...有其他几种解决方法供参考：
1、 修改 php.ini 文件中
error_reporting = E_ALL
为
error_reporting = E_ALL & ~E_NOTICE # 除去Notice警告
2、使用代码
ini_set( 'error_reporting', E_ALL ^ E_NOTICE );
ini_set( 'display_errors', '0' );
3、使用@抑制错误
@$nam...
php出现 Notice: Undefined index: xxx 的解决方法 - 更多技术 - 清泛网 - 专注IT技能提升
...有其他几种解决方法供参考：
1、 修改 php.ini 文件中
error_reporting = E_ALL
为
error_reporting = E_ALL & ~E_NOTICE # 除去Notice警告
2、使用代码
ini_set( 'error_reporting', E_ALL ^ E_NOTICE );
ini_set( 'display_errors', '0' );
3、使用@抑制错误
@$nam...
php出现 Notice: Undefined index: xxx 的解决方法 - 更多技术 - 清泛网移...
...有其他几种解决方法供参考：
1、 修改 php.ini 文件中
error_reporting = E_ALL
为
error_reporting = E_ALL & ~E_NOTICE # 除去Notice警告
2、使用代码
ini_set( 'error_reporting', E_ALL ^ E_NOTICE );
ini_set( 'display_errors', '0' );
3、使用@抑制错误
@$nam...