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1141. Qt Toolkit - qwindowdefs.h include file
This is the verbatim text of the qwindowdefs.h include file. ... ********************************************************************/ #ifndef QWINDOWDEFS_H #define QWINDOWDEFS_H #ifndef QT_H # include qobjectdefs.h #endif // QT_H // Class forward definitions class QApplication; class QPaintDevice; class QPaintDeviceMetrics; class QWidget; class QWidgetMapper; class QWindow; class QDialog; class QColor; class QColorGroup; class QPalette; class QCursor; ...
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Ссылки http://rtm-cs.sinp.msu.ru/manual/qt/qwindowdefs-h.html -- 10.8 Кб -- 11.07.1998
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1142. Qt Toolkit - qwmatrix.h include file
This is the verbatim text of the qwmatrix.h include file. ... creation of commercial/proprietary software. ** *****************************************************************************/ #ifndef QWMATRIX _H #define QWMATRIX _H #ifndef QT_H # include qwindowdefs.h # include qpointarray.h # include qrect.h #endif // QT_H class QWMatrix // 2D transform matrix { public: QWMatrix (); QWMatrix ( float m11 , float m12, float m21, float m22, ...
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Ссылки http://rtm-cs.sinp.msu.ru/manual/qt/qwmatrix-h.html -- 4.8 Кб -- 11.07.1998
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1143. Qt Toolkit - table/table.cpp example file
... Left-click the mouse to set a current cell. ... Table :: Table ( int numRows, int numCols, QWidget *parent, const char *name ) : QTableView (parent,name) { curRow = curCol = 0; // set currently selected cell setFocusPolicy ( StrongFocus ); // we accept keyboard focus setBackgroundMode ( PaletteBase ); // set widgets background setNumCols ( numCols ); // set number of col's in table setNumRows ( numRows ); // set number of rows in table setCellWidth ( 100 ); // set width of ...
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Ссылки http://rtm-cs.sinp.msu.ru/manual/qt/table-table-cpp.html -- 10.9 Кб -- 11.07.1998
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1144. Qt Toolkit - tictac/tictac.cpp example file
... This file is part of an example program for Qt. ... N is specified in the constructor. // class TicTacGameBoard : public QWidget { Q_OBJECT public: TicTacGameBoard ( int n, QWidget *parent=0, const char *name=0 ); ~ TicTacGameBoard (); enum State { Init, HumansTurn, HumanWon, ComputerWon, NobodyWon }; State state() const { return st; } void computerStarts( bool v ); void newGame(); signals: void finished(); // game finished private slots: void buttonClicked(); protected: ...
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Ссылки http://rtm-cs.sinp.msu.ru/manual/qt/tictac-tictac-cpp.html -- 21.7 Кб -- 11.07.1998
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1145. Qt Toolkit - tooltip/tooltip.cpp example file
... This file is part of an example program for Qt. This example ** program may be used, distributed and modified without limitation. ** *****************************************************************************/ #include tooltip .h #include qapplication.h #include qpainter.h #include stdlib.h DynamicTip::DynamicTip( QWidget ... explicit initialization needed } void DynamicTip::maybeTip( const QPoint pos ) { if ( !parentWidget()- inherits( TellMe ) ) return ; ...
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Ссылки http://rtm-cs.sinp.msu.ru/manual/qt/tooltip-tooltip-cpp.html -- 6.1 Кб -- 11.07.1998
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1146. Qt Toolkit - trivial/trivial.cpp example file
... Qt stuff # include qnp.h # include qpainter.h # include qmessagebox.h class Trivial : public QNPWidget { Q_OBJECT public : void mouseReleaseEvent( QMouseEvent * event) { QMessageBox::aboutQt (this); } void paintEvent( QPaintEvent * event) { QPainter ... (event- rect ()); int w = width(); p. drawRect (rect()); p. drawText (w/8, 0, w-w/4, height(), AlignCenter|WordBreak, Trivial ! ); } }; class TrivialInstance : ...
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Ссылки http://rtm-cs.sinp.msu.ru/manual/qt/trivial-trivial-cpp.html -- 4.4 Кб -- 11.07.1998
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1147. Rex Swain's HTMLified Perl 5 Reference Guide
... This is an HTMLified version of the Perl 5 Desktop Reference , ISBN 1-56592-187-9, copyright 1996 by Johan Vromans . ... See Rex Swain's HTMLified Perl 4 Reference Guide for similar summary of Perl version 4. ... See The Perl Reference Guide for pointers to a PostScript (free) version. ... For more detail, see Perl Manual or Alphabetical Listing of Perl Functions . ... RETURN key . ... Returns the reference. caller [ EXPR ] . ... Returns the array of elements from LIST for which EXPR returned true ....
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Ссылки http://rtm-cs.sinp.msu.ru/manual/programming/perl/perl5.html -- 113.3 Кб -- 04.06.1998
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1148. http://rtm-cs.sinp.msu.ru/manual/programming/perl/introtoperl.ps
... 3 Data Types Perl has three basic data types: ffl scalars ffl arrays of scalars ffl associative arrays of scalars (also known as hash tables) 3.1 Scalars The scalar is the basic data type in Perl. ... Consider this code fragment: $x = 4; # an integer $y = ''11''; # a string $z = $x+$y; print $z,''``n''; After this code is executed, $z will have a value of 15. ... EOM— 3.2 Arrays of Scalars Perl scripts can have arrays (or ``lists'') consisting of numeric values or strings. ...
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Ссылки http://rtm-cs.sinp.msu.ru/manual/programming/perl/introtoperl.ps -- 142.5 Кб -- 07.03.1998
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1149. Linux Threads Home Page: What applications or libraries currently use threads?
What applications or libraries currently use threads? There are few applications and libraries that currently use threads (user or kernel) which have been ported to Linux. ... Author's Note: If you know of any applications or libraries that should appear in this list, please send me information about it in the same format.) Thread-Using Packages/Libraries . ... Adaptive Communication Environment (ACE) . ... Documentation [http://www.cs.wustl.edu/~schmidt/ACE.html] . ... Previous Page] . ...
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Ссылки http://rtm-cs.sinp.msu.ru/manual/faq/ThreadingApps.html -- 6.4 Кб -- 21.01.1997
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1150. Linux Threads Home Page: Do the libraries support multithreading?
Do the libraries support multithreading? There is a version available (?) that is supposedly thread-safe: 5.4.13. According to what I have read, this will be the last version [read: "unofficial release"] before 6.0.0 which will be 100% thread safe. Prior versions will lead to very difficult programming problems. Also, I have read that this version is due "very soon". Some threading libraries include patches to make libc work for you. ... Previous Page] . First Page] . ...
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Ссылки http://rtm-cs.sinp.msu.ru/manual/faq/StdLibs.html -- 3.5 Кб -- 21.01.1997
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1151. Linux Threads Home Page: Is the kernel 100% reentrant?
Is the kernel 100% reentrant? ... It's getting there though. ... What does this mean? It means that threads making various system calls will block other threads until the call is completed. ... That's currently in the works (the 2.1.xx goal is to get the kernel 100% reentrant). Please note that this does not mean: avoid at all costs. It means that as you work on your threaded code, you will not have all the performance as you might with a fully reentrant kernel. ... Previous Page] . ...
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Ссылки http://rtm-cs.sinp.msu.ru/manual/faq/Reentrancy.html -- 3.1 Кб -- 21.01.1997
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1152. Linux Threads Home Page: What are the common problems with threads?
What are the common problems with threads? ... In many other multithreaded OSs, threads are not processes merely parts of a parent task. Therefore, the question of "what happens if a thread calls fork() or (worse) if a thread execve()'s some external program" becomes problematic: the whole task could be replaced. ... In fact, some multitasking OSs have opted not to support threads due to these problems (not to mention the effort needed to make the kernel and libraries 100% reentrant). ...
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Ссылки http://rtm-cs.sinp.msu.ru/manual/faq/Problems.html -- 4.4 Кб -- 21.01.1997
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1153. Linux Threads Home Page: How do Linux Threads compare with other OSs'?
How do Linux Threads compare with other OSs'? ... Solaris . ... Priority Scheduling [1] . ... Mutex Attributes . ... Thread Attributes . ... Posix and Solaris link thread priorities with mutexes and use the priority of a blocked thread's mutex to alter the priority of the blocking thread. Win32 and Linux let the scheduler determine what thread to elevate in priority. ... Solaris implements it because they need it: the program can change certain thread's attributes unless it is suspended. ...
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Ссылки http://rtm-cs.sinp.msu.ru/manual/faq/OSsCompared.html -- 24.3 Кб -- 21.01.1997
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1154. Linux Threads Home Page: How do I avoid getting zombie threads?
. How do I avoid getting zombie threads? . It has been observed that if you have threads which are attached but not joined, zombies will likely accumulate in your system. So, either detach the threads -or- make sure that you join them at some point in the program. [Previous Page] . [First Page] . [Dictionary] . [Email Author] . [Next Page]
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Ссылки http://rtm-cs.sinp.msu.ru/manual/faq/AvoidZombies.html -- 2.7 Кб -- 21.01.1997
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1155. Linux Threads Home Page: How are Linux kernel threads accessed?
How are Linux kernel threads accessed? Since kernel threads are individual tasks with various shared parts, the question naturally arises: how are the threads associated with the parent and how are they accessed? ... Kernel Access . ... Suppose an app has three threads (parent and two task managers) and the threads share the parent's PID. Suppose, the PIDs for each might be 0x00011234 (parent), 0x00021234 (child thread #1) and 0x00031234 (child thread #2). ... Previous Page] . ... Next Page] ...
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Ссылки http://rtm-cs.sinp.msu.ru/manual/faq/Accessability.html -- 4.5 Кб -- 21.01.1997
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1156. Linux Threads Home Page: Dictionary
Dictionary of Thread Terms . ... An ability to limit execution of a particular function/routine only once. ... Since Linux defines a fork() as a specific kind of clone() (thread), this is somewhat inherent. ... The ability to merge threads into a single execution context(?) ... However, often "process" defines the whole running program which may have several threads and/or tasks. ... The ability to designate a specific thread to a specific processor. ... Temporarily halting execution of a thread. ...
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Ссылки http://rtm-cs.sinp.msu.ru/manual/faq/Dictionary.html -- 8.2 Кб -- 21.01.1997
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1157. Linux Threads Home Page: Are there languages that support threads?
Are there languages that support threads? Currently, Ada, Modula-3, Python 1.4, SmallTalk/X, Objective-C/ Gnustep and Java have intrinsic language elements to support threads (for example, Ada has the 'Select' statement which is a "thread guard"). However, the Linux implementations of these languages do not yet support the new kernel threads. ... Threading Languages . ... Ada/Ed . ... Source [http://sunsite.unc.edu/pub/Linux/devel/lang/ada/INDEX.html] . ... License: . ... Previous Page] . ...
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Ссылки http://rtm-cs.sinp.msu.ru/manual/faq/Languages.html -- 13.0 Кб -- 21.01.1997
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1158. Linux Threads Home Page
... This FAQ is designed to answer several frequently asked questions about Linux threads. For an in-depth view of threads or Linux threads join the discussions on comp.os.linux.development.system (c.o.l.d.s) . ... What are threads (user/kernel)? ... Does Linux support threads? ... Is there a system call I can use to access kernel threads? ... Is there sample code I can use to test out kernel-space threads? ... Are there threading libraries? ... What applications or libraries currently use threads? ...
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Ссылки http://rtm-cs.sinp.msu.ru/manual/faq/ -- 5.7 Кб -- 21.01.1997
[ Сохраненная копия ] Ссылки http://rtm-cs.sinp.msu.ru/manual/faq/index.html -- 5.7 Кб -- 21.01.1997
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[ Сохраненная копия ] Ссылки http://rtm-cs.sinp.msu.ru/manual/faq/index.html -- 5.7 Кб -- 21.01.1997
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1159. Linux Threads Home Page: Are there threading libraries? Where?
Are there threading libraries? ... Linux Threads Packages . ... Source [ftp://caliban.physics.utoronto.ca/pub/linux/bb_threads.tar.gz] . ... Source [ftp://lin.fsid.cvut.cz/pub/linux/clthreads/clthreads-0.1.1.tgz] . ... Source [ftp://sunsite.unc.edu/pub/Linux/devel/lang/c/dcethreads-1.0.tar.gz] . ... The kit contains the sources for the library (libpthreads), a build environment for building both ELF and A.OUT versions of the library, and a complete set of man pages for all POSIX .1c functions. ...
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Ссылки http://rtm-cs.sinp.msu.ru/manual/faq/ThreadLibs.html -- 16.4 Кб -- 21.01.1997
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1160. Linux Threads Home Page: How is threading different from tasks using shared
How is threading different from tasks using shared memory? The obvious question many ask is: what is the difference between threading and forks with shared memory. ... Threading . Common Memory . Threads naturally have shared data regions. ... If you clone() with data and stack shared, all subsequent memory allocations can be seen by other threads. ... From thence, shared memory calls WILL FAIL, because the tasks will not be talking about the share memory IDs. ... Previous Page] . ...
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Ссылки http://rtm-cs.sinp.msu.ru/manual/faq/Task-Threads.html -- 4.6 Кб -- 21.01.1997
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