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PHP Session Fixation / Hijacking

...ed so it's not 100% reliable, but it's better than not. Include the user's IP address from $_SERVER['REMOTE_ADDR'] in the session. Basically, when the session starts, store it in something like $_SESSION['remote_ip']. This may be problematic from some ISPs that use multiple IP addresses for their ...
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extract part of a string using bash/cut/split

I have a string like this: 5 Answers 5 ...
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How to represent empty char in Java Character class

I want to represent an empty character in Java as "" in String... 15 Answers 15 ...
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How do I concatenate two strings in C?

How do I add two strings? 11 Answers 11 ...
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TCP vs UDP on video stream

...tivity; therefore TCP is more appropriate for replaying a video-on-demand. IP multicast significantly reduces video bandwidth requirements for large audiences; TCP prevents the use of IP multicast, but UDP is well-suited for IP multicast. Live video is normally a constant-bandwidth stream recorded o...
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Why is there no Char.Empty like String.Empty?

...en you get into the same situation as you would when you use lots of empty strings. 20 Answers ...
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Get string character by index - Java

I know how to work out the index of a certain character or number in a string, but is there any predefined method I can use to give me the character at the nth position? So in the string "foo", if I asked for the character with index 0 it would return "f". ...
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Permission denied (publickey) when SSH Access to Amazon EC2 instance [closed]

...out which username you should use is often lacking from the AMI Image description. But you can find some in AWS EC2 documentation, bullet point 4. : http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/AccessingInstancesLinux.html Use the ssh command to connect to the instance. You'll specify the...
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xtree(1796): warning C4800: “int”: 将值强制为布尔值“true”或“false...

..._Tree_iterator<std::_Tree_val<std::_Tree_simple_types<std::pair<const std::string,CPTCensorStatusItem *>>>>, 1> _Ty2=bool, 1> _Traits=std::_Tmap_traits<std::string,CPTCensorStatusItem *,CGraphFrame::Compare<std::string>,std::allocator<std::pair<const std::string,CPTCensor...
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Replace multiple characters in a C# string

Is there a better way to replace strings? 12 Answers 12 ...