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How to get enum value by string or int
How can I get the enum value if I have the enum string or enum int value. eg: If i have an enum as follows:
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Best way to specify whitespace in a String.Split operation
I am splitting a string based on whitespace as follows:
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Random String Generator Returning Same String [duplicate]
I've developed a random string generator but it's not behaving quite as I'm hoping. My goal is to be able to run this twice and generate two distinct four character random strings. However, it just generates one four character random string twice.
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How do I return multiple values from a function in C?
If I have a function that produces a result int and a result string , how do I return them both from a function?
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Is std::vector so much slower than plain arrays?
...peline stages per array accesses. So the vector looks like it is using one extra instruction per accesses.
– Martin York
Sep 8 '10 at 3:25
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How to declare strings in C [duplicate]
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Strings in C are represented as arrays of characters.
char *p = "String";
You are declaring a pointer that points to a string stored some where in your program (modifying this string is undefined behavior) according to the...
Difference between malloc and calloc?
..., for example since the parts of hash which are empty aren't backed by any extra memory (pages); they happily point to the single zero-initialized page, which can be even shared between processes.
Any write to virtual address is mapped to a page, if that page is the zero-page, another physical page...
Replace one substring for another string in shell script
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To replace the first occurrence of a pattern with a given string, use ${parameter/pattern/string}:
#!/bin/bash
firstString="I love Suzi and Marry"
secondString="Sara"
echo "${firstString/Suzi/$secondString}"
# prints 'I love Sara and Marry'
To replace all occurrences, use ${p...
浅谈APM在电子交易系统中的应用 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...统层，对于应用层一般无能为力，有的管理系统可以通过插件的形式监控到如apache tomcat aoracle等应用但彼此是孤立的，并不能把整个系统作为一个整体，为运维人员员提供详细的运维依据，只能靠运维人员的经验去分析判断故障...
How to replace multiple white spaces with one white space
Let's say I have a string such as:
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