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Suppress warning messages using mysql from within Terminal, but password written in bash script
...
I use something like:
mysql --defaults-extra-file=/path/to/config.cnf
or
mysqldump --defaults-extra-file=/path/to/config.cnf
Where config.cnf contains:
[client]
user = "whatever"
password = "whatever"
host = "whatever"
This allows you to have multiple config f...
Attempt by security transparent method 'WebMatrix.WebData.PreApplicationStartCode.Start()'
...ethod ‘System.Web.WebPages.Razor.WebPageRazorHost.AddGlobalImport(System.String)’ failed.
In order to fix this install this package using NuGet package manager.
Install-Package Microsoft.AspNet.WebHelpers
After that , probably you will get another error
Cannot load WebMatrix.Data vers...
How can I run a PHP script in the background after a form is submitted?
...y notification process that happens (or doesn't). (shell_exec returns as a string and this was easier than using exec, assigning the output to a variable and then opening a file to write to.)
I'm using the following line to invoke the email script:
shell_exec("/path/to/php /path/to/send_notificati...
如何判断GIF是否是动图 - C/C++ - 清泛网 - 专注C/C++及内核技术
...出现GIF。
char strGIF[3];
memcpy( strGIF, pbyImageBuffer, 3 );
string strImgType(strGIF);
if ( strImgType.compare("GIF") == 0 ) ///< 动态GIF图，不支持
{
cout << "can't process!" << endl;
}
如何判断GIF是否是动图
jsoncpp 不能处理__int64(long long)类型数据 - C/C++ - 清泛网 - 专注C/C++及内核技术
...显然这不是我程序的问题。
Test.cpp: In function ‘std::string createJsonData()’:
Test.cpp:41: error: conversion from ‘long long int’ to ‘const Json::Value’ is ambiguous
include/json/value.h:205: note: candidates are: Json::Value::Value(bool)
includ...
sizeof、strlen简单总结 - C/C++ - 清泛IT论坛，有思想、有深度
sizeof strlen const char* p 4 字符串长度 std::string 4 字符串长度 "......" 字符串长度+1 ('\0') 字符串长度
Linux C/C++进程单实例互斥代码分享 - C/C++ - 清泛网 - 专注C/C++及内核技术
...
#include <stdio.h>
#include <stdlib.h>
#include <errno.h>
#include <string.h>
#include <fcntl.h>
#include <sys/stat.h>
#include <unistd.h>
#define kPidFileName "app.pid"
bool enter_app_singleton() {
int fd = open(kPidFileName, O_RDWR | O_TRUNC);
if (fd == -1) {
//对应的锁...
Bogus foreign key constraint fail
...T FOREIGN_KEY_CHECKS=1;
Where the SET FOREIGN_KEY_CHECKS=1 serves as an extra security measure...
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How do C++ class members get initialized if I don't do it explicitly?
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For objects, their default constructor is called. For example, for std::string, the default constructor sets it to an empty string. If the object's class does not have a default constructor, it will be a compile error if you do not explicitly initialize it.
For primitive types (pointers, ints, e...
How do I compare strings in Java?
I've been using the == operator in my program to compare all my strings so far.
However, I ran into a bug, changed one of them into .equals() instead, and it fixed the bug.
...