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Rails: fields_for with index?
Is there a method (or way to pull off similar functionality) to do a fields_for_with_index ?
9 Answers
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Stash only one file out of multiple files that have changed with Git?
How can I stash only one of multiple changed files on my branch?
33 Answers
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How to find patterns across multiple lines using grep?
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Grep is not sufficient for this operation.
pcregrep which is found in most of the modern Linux systems can be used as
pcregrep -M 'abc.*(\n|.)*efg' test.txt
where -M, --multiline allow patterns to match more than one line
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General guidelines to avoid memory leaks in C++ [closed]
What are some general tips to make sure I don't leak memory in C++ programs? How do I figure out who should free memory that has been dynamically allocated?
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Does C have a “foreach” loop construct?
Almost all languages have a foreach loop or something similar. Does C have one? Can you post some example code?
12 Answer...
Is it possible to get the non-enumerable inherited property names of an object?
In JavaScript we have a few ways of getting the properties of an object, depending on what we want to get.
9 Answers
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程序员之网络安全系列（四）：数据加密之非对称秘钥 - 更多技术 - 清泛网 -...
...密算法不同，非对称加密算法需要两个密钥：公开密钥（publickey）和私有密钥（privatekey)。公开密钥与私有密钥是一对，如果用公开密钥对数据进行加密，只有用对应的私有密钥才能解密；如果用私有密钥对数据进行加密，那么...
Use RSA private key to generate public key?
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openssl genrsa -out mykey.pem 1024
will actually produce a public - private key pair. The pair is stored in the generated mykey.pem file.
openssl rsa -in mykey.pem -pubout > mykey.pub
will extract the public key and pr...
How to detect Safari, Chrome, IE, Firefox and Opera browser?
I have 5 addons/extensions for FF, Chrome, IE, Opera, and Safari.
24 Answers
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How to execute a MySQL command from a shell script?
How can I execute an SQL command through a shell script so that I can make it automated?
14 Answers
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