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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...
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
...
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
...
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
...
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_...
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
...
Comparing two dictionaries and checking how many (key, value) pairs are equal
...
@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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苦逼的年轻人和年薪百万的区别到底在哪里? - 杂谈 - 清泛网 - 专注C/C++及内核技术
...年薪百万的年轻人,区别到底在哪里?
/ 01 /
税季,我Facebook的码农好朋友纷纷找我报税。
我一看工资单,惊呆。
“我知道 Facebook 工资高,但是一帮二十二三岁的键盘侠,本科刚毕业,年薪人民币 110 万,太夸张了!”
“...
从Code Review 谈如何做技术 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...然,这并不能说没有记录他们就没有做Code Review,于是,我就问了一下以前在业务团队做过的同事有没有Code Review,他告诉我不但没有Code Review,而且他认为Code Review没用,因为:
1)工期压得太紧,时间连coding都不够,以上线为...
泡在Stack Overflow答题30天 - 创意 - 清泛网 - 专注C/C++及内核技术
泡在Stack Overflow答题30天想法的萌芽如果非要总结下我多年来是如何使用Stack Overflow的话,我的答案就是:打开网页,搜索问题,查看Stack Overflow的搜索结果,参...想法的萌芽
如果非要总结下我多年来是如何使用Stack Overflow的话,...
