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QT implementation of the PC lock screen
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Application background QT to achieve the PC lock screen program, first run the password program, the lock screen program to run after the system is required to be notified in the system, such as other windows will not be careful to block the password, Ctrl + Alt + Del combination key to call up the task manager to end the lock screen program. Key Technology "Part of the source codeLockWidget:: LockWidget (*parent QWidget):QWidget (parent){SetWindowFlags (Qt:: FramelessWindowHint: Qt:: WindowStaysOnTopHint);Connect (this, SIGNAL (run ()), SLOT (kill ()));Is
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QT under the preparation of a 2048 game
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Application background Through the sliding of the mouse to control the direction of the combination of numbers, a 2048 game written in QT. Key Technology //QT5.5.1 compile and run through./ / code/ / background color array storage corresponding to each numberDigitBkg[11] QColor = {QColor:: fromRgb (0xFF, 0xFF, 0xCC), QColo
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C language local area network simple group chat sy
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Application background Linux environment using C prepared a simple group chat system, you can see. Used the ncurses Cook litesql. Key Technology 1 installationThe default curses function library is not installed by default (ubuntu11.10), which is installed on the default usr/include, can be viewed directly under CentOS.Sudo; apt-get install ncurses-dev ncurses* >Install the curses library, so that the header files and library files in the curses function library are installed separately in the /usr/include/ and /usr/lib/, the use of the command in the compiler:Program.c -o program -lcurses GCCCompile and run.2.sql function library header files and library files are installed respectively in /usr/include/ and /usr/lib/, makefile has been written.
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