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Open an IO stream from a local file or url
... note that open-uri will not stream a file, so you can't read a first 4k of it. open-uri will read a whole file to memory at moment of opening.
– zed_0xff
May 15 '14 at 19:57
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Test whether a glob has any matches in bash
... possibility of overstuffing the expanded command line (some shells have a 4K length limit).
If find feels like overkill and the number of files likely to match is small, use stat:
if stat -t glob* >/dev/null 2>&1
then
echo found
else
echo not found
fi
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Growing Amazon EBS Volume sizes [closed]
...new_desc_blocks = 2
Performing an on-line resize of /dev/xvdf1 to 5242624 (4k) blocks.
The filesystem on /dev/xvdf1 is now 5242624 blocks long.
ubuntu@ip-xxxxxxx:~$
Done! Use df -h to verify the new size.
share
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C++ stl stack/queue 的使用方法 - C/C++ - 清泛网 - 专注C/C++及内核技术
...priority_queue 模板类有三个模板参数，第一个是元素类型，第二个容器类型，第三个是比较算子。其中后两个都可以省略，默认容器为vector，默认算子为less，即小的往前排，大的往后排（出队时序列尾的元素出队）。
定义priority_...
C fopen vs open
...ts, fgetc, fscanf, fread) , will always read the whole size of the buffer (4K, 8K or whatever you set). By using the direct I/O you can avoid that. In that case it's even better to use pread instead of a seek/read pair (1 syscall instead of 2).
– Patrick Schlüter
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How to keep indent for second line in ordered lists via CSS?
...osition: absolute on the generated content. See jsfiddle.net/maryisdead/kgr4k for an example.
– maryisdead
Apr 24 '14 at 8:54
2
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Comparing two dictionaries and checking how many (key, value) pairs are equal
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@THC4k, sorry for not mentioning. But I have to check how many values match in both the dictionaries.
– user225312
Dec 24 '10 at 19:13
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那些我印象深刻的建议和教诲 - 杂谈 - 清泛网 - 专注C/C++及内核技术
那些我印象深刻的建议和教诲人的一生，当然有很多的时间去自己摸索和探究，做出自己的选择；其他人的教诲，很多时候并不会干涉选择，反而会让人少走弯路，更快捷抵达自...人的一生，当然有很多的时间去自己摸索和探究...
Constructors in Go
... edited Sep 15 '18 at 22:19
c4k
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answered Jan 25 '18 at 15:49
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How can I set the WiX installer version to the current build version?
...answered Jul 29 '15 at 17:32
K0D4K0D4
1,65711 gold badge2222 silver badges1919 bronze badges
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