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Getting image dimensions without reading the entire file
Is there a cheap way to get the dimensions of an image (jpg, png, ...)? Preferably, I would like to achieve this using only the standard class library (because of hosting restrictions). I know that it should be relatively easy to read the image header and parse it myself, but it seems that something...
Track a new remote branch created on GitHub
I have already got a local master branch tracking the remote master branch of a github project. Now, a collaborator of mine has created a new branch in the same project, and I want to do the following accordingly:
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How do I safely pass objects, especially STL objects, to and from a DLL?
How do I pass class objects, especially STL objects, to and from a C++ DLL?
4 Answers
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How to export table as CSV with headings on Postgresql?
I'm trying to export a PostgreSQL table with headings to a CSV file via command line, however I get it to export to CSV file, but without headings.
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How can I monitor the thread count of a process on linux?
I would like to monitor the number of threads used by a specific process on Linux.
Is there an easy way to get this information without impacting the performance of the process?
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How do I lowercase a string in C?
How can I convert a mixed case string to a lowercase string in C?
6 Answers
6
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How to detect reliably Mac OS X, iOS, Linux, Windows in C preprocessor? [duplicate]
If there's some cross-platform C/C++ code that should be compiled on Mac OS X, iOS, Linux, Windows, how can I detect them reliably during preprocessor process?
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What would be C++ limitations compared C language? [closed]
Following are the benefits of C++
32 Answers
32
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Recursively list all files in a directory including files in symlink directories
Suppose I have a directory /dir inside which there are 3 symlinks to other directories
/dir/dir11 , /dir/dir12 , and /dir/dir13 . I want to list all the files in dir including the ones in dir11 , dir12 and dir13 .
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Linux c++ error: undefined reference to 'dlopen'
I work in Linux with C++ (Eclipse), and want to use a library.
Eclipse shows me an error:
10 Answers
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