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Macro vs Function in C
...int numButtons;
};
#define num_button_holes(shirt) ((shirt).numButtons * 4)
struct webpage page;
page.numButtons = 2;
num_button_holes(page) -> 8
Finally, macros can be difficult to debug, producing weird syntax errors or runtime errors that you have to expand to understand (e.g. with gcc -E...
How many concurrent AJAX (XmlHttpRequest) requests are allowed in popular browsers?
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143
One trick you can use to increase the number of concurrent connections is to host your images f...
Why does Python use 'magic methods'?
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64
AFAIK, len is special in this respect and has historical roots.
Here's a quote from the FAQ:
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How do you calculate the average of a set of circular data? [closed]
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answered Jan 29 '09 at 14:22
starbluestarblue
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Count the number occurrences of a character in a string
...;> sentence = 'Mary had a little lamb'
>>> sentence.count('a')
4
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What Process is using all of my disk IO
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edited Dec 7 '14 at 14:13
Aaron Digulla
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Comparing mongoose _id and strings
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answered Jul 24 '12 at 19:38
cjohncjohn
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手机当上位机：用二进制协议和设备收发数据 · App Inventor 2 中文网
...脑窗口同时打印「收到 A5 5A 01 01 01」和一行「回复 A5 5A 04 81 …」。
两边字节一致，说明拼包对了。窗口里打印「校验不对，丢弃」就回头检查拼接的内容。
实验二：拆包并解析回复
设备的回复和推送会源源...
Undefined reference to `pow' and `floor'
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244
You need to compile with the link flag -lm, like this:
gcc fib.c -lm -o fibo
This will tell ...
Code Golf: Collatz Conjecture
...>> 123 --> 370 --> 185 --> 556 --> 278 --> 139 --> 418 --> 209 --> 628 --> 314
; >> --> 157 --> 472 --> 236 --> 118 --> 59 --> 178 --> 89 --> 268 --> 134 --> 67
; >> --> 202 --> 101 --> 304 --> 152 --> 76 -->...