Recent Articles

Linear Programming & Dynamic Programming

I was reading something on algorithm and a question occurred: What’s the difference between Linear Programming and Dynamic Programming? —————————————————————————————————————- After digging on the internet for a while, I found people already had the Q&A 50 years ago. ( A short bio and a list of publication of the author could be found on wiki […]

A problem related to meta-object compiler(MOC)

Last night I was studying tutorial 7, trying to run the codes in VS2010 environment, a problem emerged: “LCDRange.obj : error LNK2001: unresolved external symbol “public: virtual struct QMetaObject const * __thiscall LCDRange::metaObject(void)const “” Tutorial 7 is different from tutorial 6 only by adding a user defined signal and slot, which means the signal/slot suite […]