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How to declare strings in C [duplicate]

... 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...
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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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What's the best method in ASP.NET to obtain the current domain?

...Aagaard, but you could always make one locally. I do that for most "magic" strings and numbers. For that matter, you would then use string.Empty instead of "" in Carlos' answer ;) – vbullinger Aug 10 '12 at 21:34 ...
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Apache: client denied by server configuration

...to access a directory. It is turned on by DEFAULT in the httpd.conf that ships with Apache. You can see the enabling of the feature with the directive Require all denied This basically says to deny access to all users. To fix this problem, either remove the denied directive (or much better) add t...
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Replace one substring for another string in shell script

... 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...
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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...
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When NOT to use Cassandra?

... time at 2 different ATMs, you will get 2 times $100, and a letter with an extra fee in your mail box. The bank earns money (the extra fee for being below the limit) by using inconsistent data. It's to hard to connect all ATMs in the world with each other through one large relational database. Can y...
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How to replace multiple white spaces with one white space

Let's say I have a string such as: 15 Answers 15 ...
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How do you convert a byte array to a hexadecimal string, and vice versa?

How can you convert a byte array to a hexadecimal string, and vice versa? 45 Answers 4...
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Convert char to int in C#

...numeric value type. Use Parse and TryParse to convert a character in a string into a Char object. Use ToString to convert a Char object to a String object. http://msdn.microsoft.com/en-us/library/system.char.aspx s...