cross-reference

问题 I notice that QML has some unspecified problem with the following - when a delegate tries to instantiate an object that contains it (the delegate that is). Consider this trivial tree builder example: // Object.qml Row { property int c : 0 Rectangle { width: 50 height: 50 color: "red" border.color: "black" MouseArea { anchors.fill: parent acceptedButtons: Qt.LeftButton | Qt.RightButton onClicked: { if (mouse.button === Qt.LeftButton) c++ else if (c) c-- } } } List { model: c } } // List.qml

问题 Does anybody know of there's a way to reference the value of a sibling key in a JavaScript object literal? so use the value of target in the beforeNext() function here: obj: { target: 'li.player a.icon-tag', parent: 'ul#drop_list', beforeNext: function(){ target.addClass('bind active'); } } 回答1: This is not a "JSON" object, but a JavaScript Object (or just "Object"). I assume that this is also contained in an Object literal as obj: { by itself is invalid syntax. Anyway, yes you can reference

问题 I have a list of strings in a CSV file, and another text file that I would like to search for these strings. The CSV file has just the strings that I am interested in, but the text file has a bunch of other text interspersed among the strings of interest (the strings I am interested in are ID numbers for a database of proteins). What would the easiest way of going about this be? I want to check the text file for the presence of every string in the CSV file. I am working in a research lab at a

问题 I want to separate code in different class and put them to different files. However those class are dependent on each other. main.py: from lib import A, B def main(): a = A() b = B() a.hello() b.hello() if __name__ == '__main__': main() lib/_ init _.py : from a import A from b import B lib/a.py: import lib.B class A(): def __init__(self): print "A" def hello(self): print "hello A" b = B() lib/b.py: import lib.A class B(): def __init__(self): print "B" def hello(self): print "hello B" a = A()

问题 i have trouble with mysql, i dont find the way to do it maybe i dont know the good mysql keyword mysql5 +----------+------------+----------+ | ID | FOREIGNKEY | TRAINER | +----------+------------+----------+ | ... | ... | ... | | 475 | 254 | NULL | | 476 | 254 | NULL | | 477 | 254 | NULL | | 478 | 286 | NULL | | 479 | 286 | FREE | | 480 | 286 | FREE | | 481 | 401 | FREE | | 482 | 401 | 1 | | 483 | 401 | FREE | | 484 | 405 | NULL | | 485 | 405 | 1 | | 486 | 405 | 5 | | 487 | 405 | FREE | | 488

问题 i'm still very new at c#, threads and forms. i'm writing a small data acquistion program. it has two threads: the main ui thread and a sensor polling/logging/charting thread. when the user clicks the "start-logging" button, it it continuously polls the sensors (over a virtual COM port), writes the response to a file, updates the main form with some basic polling stats (how many pollings per second). if the user has clicked a "monitor" button, it opens a charting form and the polling thread

问题 In our project, we have different versions of excelsheets which reference each other: C:\V1\Sample.xls //no references C:\V2\Sample.xls //references V1 C:\V3\Sample.xls //references V2 Example of a cell value: =MID('C:\V1\[Sample.xls]Sheet1'!$AB2;21;1) Now I want to evaluate formulas of V3 using apache POI, I found the following example here // Create a FormulaEvaluator to use FormulaEvaluator mainWorkbookEvaluator = workbook.getCreationHelper().createFormulaEvaluator(); // Track the workbook

问题 I am working on a project with two separate .Rmd files that are part of the same project. One file contains text and equations mainly and the other file contains figures/plots. Is it possible to cross-reference the figures from the second file into the first .Rmd file? File_1.Rmd The following formula has revolutionized the car manufacturing industry. It predicts the mileage per gallon of a car based on its weight. $$ mpg = f(wt) $$ The formula is illustrated in Figure \@ref(fig:File_2.Rmd

问题 I have the following grammar: Model: prog+=Program*; Program: g=Greeting de+=DataEntry* s+=Statement*; Greeting: 'Hello' t=ProgPara '!'; ProgPara: 'PROGRAM' pname=Progname ';'; Progname : name=ID; DataEntry: a=INT v=Varname ';'; Varname : name = ID; Statement: (c=CopyStmt|m=MoveStmt) ';'; CopyStmt: 'COPY' 'TO' qname=[IndexVarname|ID] ; IndexVarname : (Indexname|Varname); Indexname : '(' name = ID ')'; MoveStmt: 'MOVE' 'TO' p=[PrVarName|ID]; PrVarName : (Varname|Progname); But it throws error

问题 I am currently working with R Studio to produce PDF documents with R/knitr in LaTex. Within these documents I want to present part of my results in tables that I want to refer to in the text. I produce these tables using the xtable package within R and it is working perfectly and giving me the right tables. So far so good but when it come to referencing I ran into some troubles. At the moment the resulting PDF output refers to the section in which the table lies. I searched around in some