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Search found 9 results on 1 pages for 'mkal'.

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• Unix diff to only print relevant diff

  - by mkal

  I have these two files File:11 11 12345 File:22 123 456 Output of diff 11 22 2c2 < 456123 --- > 789 Output to be < 456123 > 789 I want it to not print 2c2 and "--" line. I looked at the man page but could not locate any help. Any ideas? The file has more than 1K lines

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• Combining multiple lines into one line

  - by mkal

  I have this use case of an xml file with input like Input: <abc a="1"> <val>0.25</val> </abc> <abc a="2"> <val>0.25</val> </abc> <abc a="3"> <val>0.35</val> </abc> ... Output: <abc a="1"><val>0.25</val></abc> <abc a="2"><val>0.25</val></abc> <abc a="3"><val>0.35</val></abc> I have around 200K lines in a file in the Input format, how can I quickly convert this into output format.

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• C++ porting templates to Red hat enterprise linux version 5

  - by mkal

  #include <sys/stat.h> #include <sys/types.h> #include <unistd.h> template <class OutType> bool getVAL(OutType &value_out, const std::string &key) { return false; } int main (int argc, char*argv[]) { mode_t a; getVAL(a, "abc"); } test.cpp:6: error: ISO C++ forbids declaration of ‘parameter’ with no type test.cpp: In function ‘int main(int, char**)’: test.cpp:13: error: no matching function for call to ‘getVAL(mode_t&, const char [4])’

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• Java ResultSet how to getTimeStamp in UTC

  - by mkal

  The database has data in UTC and when I try to get data java.util.Calendar cal = Calendar.getInstance(); cal.setTimeZone(TimeZone.getTimeZone("UTC")); java.sql.Timestamp ts = resultSet.getTimestamp(PUBLISH_TIME); cal.setTime(ts); Is there anything wrong with this?

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• Learn C# on mac?

  - by mkal

  Is mono the only route , any specific visual studio like editors that you recommend?

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• C++ preprocessing error in the code

  - by mkal

  #include "iostream" #include "string" using namespace std; #define AA(bb) \ string(::##bb); int main (int argc, char *argv[]) { AA(aa); } This gives me a bunch of errors but I am trying to understand this error pre.cpp:11:1: error: pasting "::" and "aa" does not give a valid preprocessing token Any ideas?

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• Shared objects (.so) static linking and opening other shared object

  - by mkal

  I have one shared object (a.so) which has statically linked (s.so). b.so also has a static link of s.so. a.so does a dlopen on b.so , will "s.so" code be shared between the two. The .so are built on gcc 4.1 on RedHat linux. The s.so is compiled against a.so and b.so with -Bstatic and --no-whole-archive option.

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• How does the compiler know not to call function once per static variable?

  - by mkal

  E.g foo1() { static const char* str = foo2(); } const char * foo2 () { ... } How does the compiler makes sure it calls foo2 just once.

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• What is the difference between set and hashset in C++ STL?

  - by mkal

  When should I choose one over the other. Are there any pointers that you would recommend for using the right STL containers.

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