printing

问题 'u' before elements in printed list? I didn't type u in my code. hobbies = [] #prompt user three times for hobbies for i in range(3): hobby = raw_input('Enter a hobby:') hobbies.append(hobby) #print list stored in hobbies print hobbies When I run this, it prints the list but it is formatted like this: Enter a hobby: Painting Enter a hobby: Stargazing Enter a hobby: Reading [u'Painting', u'Stargazing', u'Reading'] None Where did those 'u' come from before each of the elements of the list? 回答1:

问题 I am trying to print a PHP generated document in chrome, on the browser it looks fine Link to the page I want to print But my printer will not print any coloured backgrounds, can anyone offer any suggestions please? Can I do this with CSS? 回答1: You adjust in the browser, whether the background colors and images are printed. See your browsers printing options. Google Chrome offers this feature starting from version 26 (march 2013). Also starting from version 17, Chrome allows changing the

问题 I want to print a large table (so large that its rows are approx. 3 sheets of papers wide) from HTML. If possible, CSS should suffice for layout and the solution should work with different browsers. I'm currently defining the following style rules: table { page-break-inside:auto; } tr { page-break-inside:auto; } When I inspect the DOM elements e.g. in Firefox 33.0.2 (on OS X) I can see that the rules are recognized, but then when I look at a print preview ( File | Print | PDF | Open PDF in

问题 This question already has answers here : Print <div id=“printarea”></div> only? (28 answers) Closed 5 years ago . I want to print some HTML content, when the user clicks on a button. Once the user clicks on that button, the print dialog of the browser will open, but it will not print the webpage. Instead, it will print the some other HTML content which is not displayed on the page. While asking this question, there are few solutions coming into my mind. But I am not sure whether those are

问题 This question already has answers here : How can I remove the first line of a text file using bash/sed script? (15 answers) Closed last month . I have a very long file which I want to print but skipping the first 1e6 lines for example. I look into the cat man page but I did not see any option to do this. I am looking for a command to do this or a simple bash program. 回答1: You'll need tail. Some examples: $ tail great-big-file.log < Last 10 lines of great-big-file.log > If you really need to

问题 I have a dynamic table in my web page that sometimes contains lots of rows. I know there are page-break-before and page-break-after CSS properties. Where do I put them in my code in order to force page breaking if needed? 回答1: You can use the following: <style type="text/css"> table { page-break-inside:auto } tr { page-break-inside:avoid; page-break-after:auto } </style> Refer the W3C's CSS Print Profile specification for details. And also refer the Salesforce developer forums. 回答2: Wherever

问题 I have a dynamic table in my web page that sometimes contains lots of rows. I know there are page-break-before and page-break-after CSS properties. Where do I put them in my code in order to force page breaking if needed? 回答1: You can use the following: <style type="text/css"> table { page-break-inside:auto } tr { page-break-inside:avoid; page-break-after:auto } </style> Refer the W3C's CSS Print Profile specification for details. And also refer the Salesforce developer forums. 回答2: Wherever

问题 I have 2 classes. The first class contains a JPanel to be printed out. The second class prints the JPanel of the first class. How can I printout the JPanel of the first class without displaying it in to screen? 回答1: Try the Sreen Image class. 回答2: atlernative for your questions, because Swing APIs can do that for JComponents which are layed by using Absolute Positioning didn't required to be visible for obtains final size, 1/ disadvantages Absolute Layout setLaout(null) is last property how

问题 This question already has answers here : Again and Again prints the same value (3 answers) Closed 5 years ago . I have been asked to check if the team name is present in the text file I had created on my computer. I have written the complete code but the output is always invoking me type the name of the team twice before counting the number of times the team's name is present in the file. Please do see this, and let me know. Thanks. import java.util.*; import java.io.*; public class

问题 When i click the button, the program crashes. I will post my code: void Test1::on_pushButton_1_clicked() // print the information { QPrinter printer(QPrinter::HighResolution); printer.setCreator("Me"); printer.setDocName("Print"); printer.setPaperSize(QPrinter::A4); QPrintPreviewDialog *pd = new QPrintPreviewDialog(&printer); connect(pd,SIGNAL(paintRequested(QPrinter*)),this,SLOT(print(QPrinter*))); pd->exec(); } void Test1::print(QPrinter *p) { QPainter painter(p); painter.setPen(Qt::blue);