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std::string to char*
I want to convert a std::string into a char* or char[] data type.
18 Answers
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How can I use map and receive an index as well in Scala?
...ted
scala> ci map (i => i+"=#"+ci.count) toList
res0: List[java.lang.String] = List(These=#0,are=#1,words=#2)
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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...
How to convert/parse from String to char in java?
How do I parse a String value to a char type, in Java?
14 Answers
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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...
Case-insensitive string comparison in C++ [closed]
What is the best way of doing case-insensitive string comparison in C++ without transforming a string to all uppercase or all lowercase?
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const char* concatenation
...ointed to by these pointers. So anything like:
strcat(one,two); // append string two to string one.
will not work. Instead you should have a separate variable(char array) to hold the result. Something like this:
char result[100]; // array to hold the result.
strcpy(result,one); // copy string...
How to detect the physical connected state of a network cable/connector?
...nected state of an RJ45 connector to its socket. Preferably using BASH scripting only.
14 Answers
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extract part of a string using bash/cut/split
I have a string like this:
5 Answers
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Why does an SSH remote command get fewer environment variables then when run manually? [closed]
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Having to always type extra code just to source the environment is ridiculous!
– Michael
Jan 8 '13 at 16:37
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