page-size

Page number and offset

由 自闭症网瘾萝莉.ら 提交于 2021-02-05 13:05:29
问题 I am learning the different types of memory management. I don't understand the point of having an offset bits in a virtual address. And also why page sizes are made power of 2 ? My primary confusion is: give me an example of an offset being used in instruction to access a certain virtual address? My second confusion is: The usual statement is that if the size of logical address is 2^m and page size is 2^n , then the high-order m-n bits of a logical address designate the page number. 回答1: I

pagesize doesn't work in Reportlab simpledocTemplate

由 ⅰ亾dé卋堺 提交于 2020-01-15 08:31:57
问题 I am using ReportLab for generating a PDF report. I've used SimpleDocTemplate and set pageSize = A5. but after bulding the PDF, when i open created file, the size of page is A4. doc = SimpleDocTemplate(file_name, pageSize = A5) doc.build(report) I tried other page size but the created file size doesn't change and remain A4! what should i do? 回答1: My Problem solved! I had just used landscape or portrait setting in additional to page size and its work! doc = SimpleDocTemplate(file_name) doc

pagesize doesn't work in Reportlab simpledocTemplate

由 帅比萌擦擦* 提交于 2020-01-15 08:31:06
问题 I am using ReportLab for generating a PDF report. I've used SimpleDocTemplate and set pageSize = A5. but after bulding the PDF, when i open created file, the size of page is A4. doc = SimpleDocTemplate(file_name, pageSize = A5) doc.build(report) I tried other page size but the created file size doesn't change and remain A4! what should i do? 回答1: My Problem solved! I had just used landscape or portrait setting in additional to page size and its work! doc = SimpleDocTemplate(file_name) doc

Set page size using WIA (with scanner)

由 五迷三道 提交于 2019-12-12 07:36:47
问题 I'm using WIA to acquire images from a scanner with C#. I can scan the papers, but I can't set up the page size correctly, it always defaults to A4 and I need to use Letter or Legal sometimes. I tried with the WIA_DPS_PAGE_SIZE property, but when I try to set a value, I always get an error, that the value is out of the interval (tried a lot of possible values). I wan't to be able to use WIA_DPS_PAGE_SIZE = WIA_PAGE_AUTO (for automatic page size), but I can't find anything on the web related

Simple page size setting when printing JTextPane?

由 时光总嘲笑我的痴心妄想 提交于 2019-12-12 03:00:00
问题 I have a really simple Print function in my application that prints the contents of a Jtextpane. I want to set the default page size to A4 but after searching around I find lots of ways that involve book and document formater etc, I want to keep this as simple as possible. My code currently is: public void printy(){ JTextPane jtp = new JTextPane(); jtp.setBackground(Color.white); try { // open the file we have just decrypted File myFile = new File(deletefile + "mx.txt"); FileInputStream fIn =

Rails: How to print model's details to A4 PDF page?

由 一曲冷凌霜 提交于 2019-12-11 05:05:58
问题 In my Job Management application I would like to prepare an A4 page receipt to customer. Thus, I need to print somehow Job model's details to a single A4 PDF page. Are the any built-in tools in Rails for this purpose ? If no, what would be the best way to go ? 回答1: Basically there is two options: (any PDF creation requires a gem - no default PDF creation for rails) . Create a pure PDF using Prawn, You have to do all the formatting using the Prawn API Create a HTML version of your receipt and

HTML to PDF A4 printable size [duplicate]

由 为君一笑 提交于 2019-12-06 03:08:48
问题 This question already has answers here : How to make a HTML Page in A4 paper size page(s)? (14 answers) Closed 4 years ago . I need to design brochure in HTML from which a pdf will be generated. How can I make it to be A4 size and printable after transform to pdf? The HTML will consist of images and text and needs to look the same as HTML version. Is it possible? Should I use 300dpi pixel size -> 2480 X 3508 pixels? 回答1: You can make a css file that synchonises the layout and even has print

HTML to PDF A4 printable size [duplicate]

由 倖福魔咒の 提交于 2019-12-04 07:09:24
This question already has an answer here: How to make a HTML Page in A4 paper size page(s)? 14 answers I need to design brochure in HTML from which a pdf will be generated. How can I make it to be A4 size and printable after transform to pdf? The HTML will consist of images and text and needs to look the same as HTML version. Is it possible? Should I use 300dpi pixel size -> 2480 X 3508 pixels? You can make a css file that synchonises the layout and even has print-specific directives. You can specify sizes in terms of physical dimensions, although this will be subject to interpretation on the

Set page size using WIA (with scanner)

由 生来就可爱ヽ(ⅴ＜●) 提交于 2019-12-03 06:56:32
I'm using WIA to acquire images from a scanner with C#. I can scan the papers, but I can't set up the page size correctly, it always defaults to A4 and I need to use Letter or Legal sometimes. I tried with the WIA_DPS_PAGE_SIZE property, but when I try to set a value, I always get an error, that the value is out of the interval (tried a lot of possible values). I wan't to be able to use WIA_DPS_PAGE_SIZE = WIA_PAGE_AUTO (for automatic page size), but I can't find anything on the web related to this. Does anyone know a solution? thanks! Piotr Justyna I know this is probably too late to actually

Full Page Malloc

由 亡梦爱人 提交于 2019-12-01 20:29:24
问题 I am trying to optimize the memory allocation of my program by using entire pages at a time. I am grabbing the page size like this: sysconf(_SC_PAGESIZE); and am then calculating the total number of elements that will fit in a page like this: elements=pageSize/sizeof(Node); My thinking was that when I actually go to malloc my memory I would use malloc(elements*sizeof(Node)); It seems like the multiplication and division of sifeof(Node) would cancel out, but with integer division, I do not
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