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iOS开发调试技巧总结 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...试项目提供了极大的方便。
【1.普通断点】
断点(Breakpoint)绝对是调试程序的第一大选择，也是掌握的基础技能。顾名思义，当程序运行到断点处时会暂停运行。比如断点打在11行，那么程序就会停在11行（注意：程序只运行到...
Android TextView with Clickable Links: how to capture clicks?
I have a TextView which is rendering basic HTML, containing 2+ links. I need to capture clicks on the links and open the links -- in my own internal WebView (not in the default browser.)
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Django template how to look up a dictionary value with a variable
The regular way to lookup a dictionary value in a Django template is {{ mydict.key1 }} , {{ mydict.key2 }} . What if the key is a loop variable? ie:
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Get operating system info
I recently started wondering about sites like http://thismachine.info/ that get the user's operating system info. I have not been able to find out how to do that with PHP, and wanted to try to figure it out.
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Why can't decimal numbers be represented exactly in binary?
There have been several questions posted to SO about floating-point representation. For example, the decimal number 0.1 doesn't have an exact binary representation, so it's dangerous to use the == operator to compare it to another floating-point number. I understand the principles behind floating-po...
Print text instead of value from C enum
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C/C++中的段错误（Segmentation fault） - C/C++ - 清泛网 - 专注C/C++及内核技术
C/C++中的段错误（Segmentation fault）Segment fault 之所以能够流行于世，是与Glibc库中基本上所有的函数都默认形参指针为非空有着密切关系的。目录1。什么是段错误？2。为什 Segment fault 之所以能够流行于世，与Glibc库中基本上所有...
Using node.js as a simple web server
I want to run a very simple HTTP server. Every GET request to example.com should get index.html served to it but as a regular HTML page (i.e., same experience as when you read normal web pages).
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Change from SQLite to PostgreSQL in a fresh Rails project
I have a rails app that's databases are in SQLite (The dev and production). Since I am moving to heroku, I want to convert my database to PostgreSQL.
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JavaScript: replace last occurrence of text in a string
See my code snippet below:
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