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惨不忍睹：说一说你最穷的时候是什么样子 - 创意 - 清泛网 - 专注C/C++及内核技术
...情了。
类型一：穷到没钱吃饭型
@戚大会-smine:翻箱倒柜找到两块一毛钱，去超市称了一块七毛钱的米，吃了两天的白米粥。
@常勤殿：注销银行卡，只有这样才能把上面的一块多钱取出来吃饭。
@付砖砖...
Secure hash and salt for PHP passwords
It is currently said that MD5 is partially unsafe. Taking this into consideration, I'd like to know which mechanism to use for password protection.
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Is volatile expensive?
After reading The JSR-133 Cookbook for Compiler Writers about the implementation of volatile, especially section "Interactions with Atomic Instructions" I assume that reading a volatile variable without updating it needs a LoadLoad or a LoadStore barrier. Further down the page I see that LoadLoad ...
How to get RGB values from UIColor?
I'm creating a color object using the following code.
15 Answers
15
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Seeking clarification on apparent contradictions regarding weakly typed languages
I think I understand strong typing , but every time I look for examples for what is weak typing I end up finding examples of programming languages that simply coerce/convert types automatically.
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Percentage width child element in absolutely positioned parent on Internet Explorer 7
I have an absolutely positioned div containing several children, one of which is a relatively positioned div . When I use a percentage-based width on the child div , it collapses to 0 width on IE7, but not on Firefox or Safari.
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Undefined reference to pthread_create in Linux
I picked up the following demo off the web from https://computing.llnl.gov/tutorials/pthreads/
14 Answers
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Detect the Enter key in a text input field
I'm trying to do a function if enter is pressed while on specific input.
10 Answers
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How do I calculate square root in Python?
Why does Python give the "wrong" answer?
10 Answers
10
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AsyncTask threads never die
I'm using AsyncTask s to fetch data in response to the user pressing a button. This works well and keeps the interface responsive while fetching the data, but when I checked out what was going on in the Eclipse debugger, I found out that every time a new AsyncTask was created (which is quite ofte...