大约有 45,000 项符合查询结果（耗时：0.0361秒） [XML]
How to connect to Mysql Server inside VirtualBox Vagrant?
I mounted a new VirtualBox Machine with Vagrant, and inside that VM I installed Mysql Server. How can I connect to that server outside the vm? I already forward the port 3306 of the Vagrantfile , but when I try to connect to the mysql server, it`s resposts with the error:
'reading initial communica...
How to toggle a value in Python
What is the most efficient way to toggle between 0 and 1 ?
17 Answers
17
...
When to use “new” and when not to, in C++? [duplicate]
...should I use the "new" operator in C++? I'm coming from C#/Java background and instantiating objects is confusing for me.
4...
Export Data from mysql Workbench 6.0
...own variable 'delayed-insert=FALSE'
This error occurs on various systems and can be temporarily fixed by:
Going to the appropriate directory depending on the system:
a) Windows: C:\Program Files\MySQL\MySQL Workbench 6.3 CE\modules (32-bit installation on x64 systems: C:\Program Files (x86)\MyS...
Regular expression \p{L} and \p{N}
I am new to regular expressions and have been given the following regular expression:
2 Answers
...
How can I profile Python code line-by-line?
I've been using cProfile to profile my code, and it's been working great. I also use gprof2dot.py to visualize the results (makes it a little clearer).
...
[since C++11] std::array的使用 - C/C++ - 清泛网 - 专注C/C++及内核技术
[since C++11] std::array的使用learning-using-cpp11-stl-array 前言本文总结了STL中的序列式容器array的用法及注意事项。array的出现代表着C++的代码更进一步现代化，就像std::string的出现代替了c风格字符串并且能和STL配合工作一样，array的 #...
How to pass command line arguments to a rake task
...
Options and dependencies need to be inside arrays:
namespace :thing do
desc "it does a thing"
task :work, [:option, :foo, :bar] do |task, args|
puts "work", args
end
task :another, [:option, :foo, :bar] do |task, args|...
How are people managing authentication in Go? [closed]
For those building RESTful APIs and JS front-end apps in Go, how are you managing authentication? Are you using any particular libraries or techniques?
...
Check if value exists in Postgres array
...construct:
SELECT value_variable = ANY ('{1,2,3}'::int[])
The right operand of ANY (between parentheses) can either be a set (result of a subquery, for instance) or an array. There are several ways to use it:
SQLAlchemy: how to filter on PgArray column types?
IN vs ANY operator in PostgreSQL
...