the art of war sun tzu book report
The Art of War docx
Ngày tải lên :
22/03/2014, 22:20
... deprive her of it. They cite the Romans, who by their own
arms lost their liberty: They cite the Venetians and the King of France, of
whom they say that the former, in order not to obey one of its ... made, and of that Tribe they selected four of their best men, from
whom one was selected by the Tribunes of the first legion, and of the
other three, one was selected by the Tribunes of the second ... selected by the Tribunes of the second legion,
the second by those of the third, the third by those of the fourth, the
fourth remained to the first. After, another four were chosen: the first
man...
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molkentin-the book of qt 4-the art of building qt applications
Ngày tải lên :
28/04/2014, 16:56
... headerfilesfor itslibraries. Each of thesefilescontains
theinterfacedescriptionsofall of theclassesofalibrary ;the name of theheader
filematches th enameofthe library.Thus,inthe examples so far,which haveonly
used ... anothertopicfor which knowledge of
thecontents of theQtlibrariesisofparticularinterest. Besidesthe headerfilesfor
individualclass definitions,whose filenames matchthe namesofthe classesthey
describe,Qtalsoprovides ... andaslotinadestinationobject .The first twoarguments
specifytheobject sendingthe signal andthe signal that wewanttobindtothe
receivingslot. Thelasttwoargumentsspecifytheobject that is therecipient of the
signal,and thereceivingslot....
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The book of qt 4 the art of building qt applications - phần 1 ppt
Ngày tải lên :
13/08/2014, 08:21
... recycled paper
Qt 4
Qt 4
THE ART OF BUILDING Qt APPLICATIONS
DANIEL MOLKENTIN
THE BOOK of
THE BOOK of
Qt 4
THE
BOOK
of
THE
BOOK
of
Qt 4
đ
MOLKENTIN
1 Basics,Tools, and First Code
Several Qt classeshaveQObject ... forother objects.
It’s akindofeventinterceptor.Chapter 7provides more details of events.
35
Daniel Molkentin
TheBook of Qt 4
TheArt of BuildingQtApplications
đ
Munich SanFrancisco
Contents
10 TheGraphicsLibrary ... displaythe
same changeable
value.
Theaim is for allthree widgets to alwaysdisplaythesamevalue.Ifthe user changes
thevalue via theslider ,the value mustalsobeadjusted in thespinboxandinthe
label. Thesameappliestothe...
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The book of qt 4 the art of building qt applications - phần 2 docx
Ngày tải lên :
13/08/2014, 08:21
... framework. These
can be found in theWidgetBox,which theprogram normallyplaces on theleft
side of thescreen.Tocreateanewlabel, welook for theDisplayWidgets group(at
thebottomofthe box)and pull theLabel ... generates theC++ fileui_mydialog.h
from mydialog.ui,using uic. Thelatter contains theinterfacedescription of the
code that implements thedialog. (Weexplainthisfile andits useinthe rest of the
code for theapplicationprogram ... now
ByteConverterDialog
decEdit
textChanged()
setText()
hexEdit
textChanged()
setText()
binEdit
textChanged()
setText()
decChanged()
hexChanged()
binChanged()
We can connect thesignals andslots of theline-edit widgets from theByteCon-
verterDialog to thesignals andslots of theByteConverter class, for example, the
hexChanged()signalofthe decEdit object...
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The book of qt 4 the art of building qt applications - phần 3 pptx
Ngày tải lên :
13/08/2014, 08:21
... sedonaMainWindow
theuserfriendlinessofthe software. Theyshould thereforebeprovided as amatter
of course in thedesignofuserinterfaces.Withthe acceleratorsinplace ,the design
viewof th eeditorshouldcorrespondtothatshowninFigure4.3.
To ... pro-
gramming.Secrecyenforcesabstractionbyonlygranting theclass membersaccess
to theirownmethods.
Theinternaldetails of theclass arethus “cut off” from theother classes, andyou
can change theinternaldesignofthe classwithout havingtoadjustthe ... areasofthe window,orposition
them floatingover themainwindow.Iftheyaredocked, thelatter haveasplitter
(see Chapter 5.3onpage 150), withwhich theusercan fine-tune thesizeratio
of thedockwindowto themainwindow,ifnecessary.Dockwindowsalsohavea
handle...
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The book of qt 4 the art of building qt applications - phần 4 pot
Ngày tải lên :
13/08/2014, 08:21
... ClickSplitterHandle::mouseDoubleClickEvent()wefirstdetermine thealignment
of thesplitter.Weobtainthe positionofthe splitter,using theQSplitter::indexOf()
method. This is also thepositionofthe widgetlyingtothe rightof(or directly
beneath) thesplitter.
Forreasons ... given as the rstargu-
ment,thenthe dialog willnot be modal .The nexttwoargumentsare thedialog
heading andthe startdirectory.
TheQDirclass provides static methods for retrievingthe paths to themostim-
portant ... weleaveit
outbyspecifyingQMessageBox::NoButton.
Thestatuscode returned byQMessageBox::question() corresponds to thevalue of
thebuttonchosenbytheuser. To checkwhether theuserhas answered theques-
tion withYes,wecomparethe return...
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The book of qt 4 the art of building qt applications - phần 5 pptx
Ngày tải lên :
13/08/2014, 08:21
... parametersspecifythepointer to theparentwidget, thehead-
ing, andthe user query.Thisisfollowed bythelistofstrings to be displayed.Then
comesthe indexof thelistele ment that thedrop-downwidgetdisplaysatthe ... eventwiththe ID of theupdate-
Timer, usingthe postEvent()method of QCoreApplication. As thetargetwespecify
thecurrent widget(in this case, this)aswedolater on for theevents generated by
thetimersthemselves.
In ... displaysthe best quality .The program that receives thedropthen
iterates throughthe listofMIMEtypesand selectsthe datafor the rstMIMEtype
that it can handle.
We make useofthispropertyto includethe...
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The book of qt 4 the art of building qt applications - phần 6 doc
Ngày tải lên :
13/08/2014, 08:21
... entryusingthe <table>tag. Each rowof thetable consists of
twocells,one of which contains thenameofthe address book field (the key)and
theother ,the matching value.Bothofthemwillbeshowninthe tooltiponlyif ... QModelIndex&parent)const
{
Q_UNUSED(parent);
returnaddressBook.at(0).count();
}
Viewsthatuse ouraddressbook modelcan discover thelabelingofthe rowsand
columns via theheaderData()method. To do so,theymustspecifythenumeric
positionofthe section of ... theleftofthe datasets willdenote
thedataset number.For horizontalorientation weuse theentries from the rst
dataset in thelist, which as weknowcontains thecolumn names:
// addressbook/addressbookmodel.cpp...
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The book of qt 4 the art of building qt applications - phần 7 pot
Ngày tải lên :
13/08/2014, 08:21
... wecreateanewmatrix.
Since thecenter of thedesir ed rotation is notthe currentzeropoint (origin) of the
coordinate system,but thepoint at thecenter of thesquare, wefirstmovethe
center of oursquaretothe zeropoint of ourcoordinate ... nowconnect theclicked()signalofthe Screenshot!buttontothe slot that
prepares thescreenshot,and thesignalofthe Printbuttontothe slot that enables
theconfiguration of theprintingparameters. Then wecallgrabDesktop(), ... drawour
piechart.Wereservethe space remaininginthe width for thekey.Weobtain
thecorresponding rectanglebyfirst copyingthe measurements of thewidget, with
rect(), andthensubtractingthe width of pieRectfromthissquareonthe...
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The book of qt 4 the art of building qt applications - phần 8 doc
Ngày tải lên :
13/08/2014, 08:21
... to theother ,the
producerplacesitinaqueue, from which theconsumertakesthemout.
As asharedresource, thequeue mustbeprotected byamutexbeforeitisaccessed
byeither theproducerorthe consumer. If theconsumerworks ... LOGGERTHREAD_H
In theconstructor wespecifythefilename for the le butdonot openit. In run()
weonlystartthe eventloop of thethreadvia exec(). append()opens the le for
each incoming message,writes thecontents of ... theQIODevice::WriteOnlyparameter,
weuse theexists() method to warnthe user andexit theprogram.Onlynowdo we
openthe file.
If theuserhas notpassedasecond parameter to theprogram,wedirectthe output
to thestandardoutput....
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The book of qt 4 the art of building qt applications - phần 9 docx
Ngày tải lên :
13/08/2014, 08:21
... displayit.Figure13.1showshowtheapplicationis
constructed :The lineeditwaits for theaddressofthe fe ed ,the contents of which
aredisplayed byaQTextViewon theleft-hand page.Onthe rightwesee thearticle
selected from thelistinaQTextBrowser.
Figure ... elements.
If theyreach theend of thecontainer andare advancedpastthe final element,
theythen point to anonexistentelement.Ifyou then tryto acc essthe element
pointed at bytheiterator ,the result ... Translations in theProgram
Loading thecorrect translationwhenthe program starts is thetaskofthe QTrans-
latorclass.Itwillsearchfor thetranslation files in theworking directoryof the
applicationifitisnot...
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The book of qt 4 the art of building qt applications - phần 10 pptx
Ngày tải lên :
13/08/2014, 08:21
... iterators,
oneofwhich marksthe beginning of theareainthe first datastructure containing
theelementstobecompared,and theother,which marksthe endofthisarea.
Thethird parameter is an iterator on theseconddatastructu ... output:("one","two","three")
return0;
}
qCopyBackward()isalmostidentical to qCopy(), butexpectsthe positionofthe
last elementtobecopied as thethird parameter,ratherthanthe first.Itinserts
thevaluestobecopied from thespecifiedelementsofthe ... i.value();
}
return0;
}
With thehelpofthe indexoperatororbyusinginsert(), wefill up thedictionary
mapwithvalues. Theargument in brackets or the rstargument to insert() is the
key,for which,inthiscase, weuse valuesofthe...
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