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Clear a terminal screen for real
Using the clear command on the terminal only fools the user into thinking the screen has been cleared...you can still see output from the previous commands when you scroll using the mouse. This makes life difficult when you are drowning in a tsunami of text.
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Accessing dict keys like an attribute?
I find it more convenient to access dict keys as obj.foo instead of obj['foo'] , so I wrote this snippet:
27 Answers
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对外网用户的squid代理+认证 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...基本相同，只是在编译安装squid时和squid的配置文件squid.conf有些不同。这次架设的服务器将保留对内网用户提供squid服务（内网用户不增加认证功能限制）的同时再增加对外网用户提供squid+认证功能。版本为：
FreeBSD6.2-RELEASE + Squ...
How to set up Spark on Windows?
I am trying to setup Apache Spark on Windows.
10 Answers
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What is the difference between syntax and semantics in programming languages?
What is the difference between syntax and semantics in programming languages (like C, C++)?
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How do I specify a pointer to an overloaded function?
I want to pass an overloaded function to the std::for_each() algorithm. For example,
6 Answers
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Getting distance between two points based on latitude/longitude
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How do I modify fields inside the new PostgreSQL JSON datatype?
With postgresql 9.3 I can SELECT specific fields of a JSON data type, but how do you modify them using UPDATE? I can't find any examples of this in the postgresql documentation, or anywhere online. I have tried the obvious:
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How do I apply the for-each loop to every character in a String?
So I want to iterate for each character in a string.
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Use C++ with Cocoa Instead of Objective-C?
I would like to write applications that use C++ and the Cocoa frameworks because Apple is not making Carbon 64-bit capable. C++ seems to be pretty vanilla in its implementation on Linux and Windows but on Mac OS X it seems like additional Apple specific pieces of code are required (like an Obj-C wra...