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R: Comment out block of code [duplicate]
...es of code in R. Is there any way of doing it without having to put a # before each line - sort of like /* blocked out code */ in SAS?
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Replace multiple characters in a C# string
...eans a search
The characters between [ and ] are the characters to search for (in any order)
The second / delimits the search-for text and the replace text
In English, this reads:
"Search for ; or , or \t or \r or (space) or exactly two sequential \n and replace it with \n"
In C#, you could do ...
UIView Infinite 360 degree rotation animation?
...rying to rotate a UIImageView 360 degrees, and have looked at several tutorials online. I could get none of them working, without the UIView either stopping, or jumping to a new position.
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How to send a header using a HTTP request through a curl call?
... "Content-Type: application/xml" -X GET http://hostname/resource
POST:
For posting data:
curl --data "param1=value1&param2=value2" http://hostname/resource
For file upload:
curl --form "fileupload=@filename.txt" http://hostname/resource
RESTful HTTP Post:
curl -X POST -d @filename http...
C++: const reference, before vs after type-specifier
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Behavior
There is no semantic difference between const T& and T const&; the language treats them as the same type. (The same thing applies to const T* and T const*.)
As a matter of style
Regarding which you should prefer...
How does Apple know you are using private API?
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There are 3 ways I know. These are just some speculation, since I do not work in the Apple review team.
1. otool -L
This will list all libraries the app has linked to. Something clearly you should not use, like IOKit and WebKit can be detected by this.
2. nm -u
This will list all linked symbols...
Quickest way to convert XML to JSON in Java [closed]
What are some good tools for quickly and easily converting XML to JSON in Java?
6 Answers
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Scanner vs. BufferedReader
...ods of reading character-based data from a file in Java is using Scanner or BufferedReader . I also know that the BufferedReader reads files efficiently by using a buffer to avoid physical disk operations.
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convert a char* to std::string
I need to use an std::string to store data retrieved by fgets() . To do this I need to convert the char* return value from fgets() into an std::string to store in an array. How can this be done?
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find: missing argument to -exec
I was helped out today with a command, but it doesn't seem to be working. This is the command:
10 Answers
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