printing

问题 Once a browser page is loaded I'm looking to use the CRTL+P shortcut in Goggle Chrome to enter the print page and then simply press return to print the page. import time from selenium import webdriver # Initialise the webdriver chromeOps=webdriver.ChromeOptions() chromeOps._binary_location = "C:\\Program Files\\Google\\Chrome\\Application\\chrome.exe" chromeOps._arguments = ["--enable-internal-flash"] browser = webdriver.Chrome("C:\\Program Files\\Google\\Chrome\\Application\\chromedriver.exe

问题 I am having an issue when I print my page in Chrome 26 where tables appear with grey background colour. When I view the page in chrome with simulated CSS media print it looks fine When printing in Safari everything works fine. Anyone knows how to fix this issue? 回答1: Here is the solution: Add this to your print css * {transition: none !important} See: http://wisercoder.com/print-preview-significantly-different-inspector-chrome/ 回答2: You can try -webkit-print-color-adjust:exact; , which

问题 I have a table with several columns. THE SPECIFIC PROBLEM When you print such table, the columns on right will not print, not even when you print in landscape orientation. THE DESIRED BEHAVIOR The browser should print entire table, use multiple sheets if necessary. CSS/JavaScript solutions are acceptable. SHORTEST CODE NECESSARY TO REPRODUCE THE PROBLEM Click the print button in the following demo. Look at the right hand side of page in print preview window. $(function() { $("input:first")

问题 I have a table with several columns. THE SPECIFIC PROBLEM When you print such table, the columns on right will not print, not even when you print in landscape orientation. THE DESIRED BEHAVIOR The browser should print entire table, use multiple sheets if necessary. CSS/JavaScript solutions are acceptable. SHORTEST CODE NECESSARY TO REPRODUCE THE PROBLEM Click the print button in the following demo. Look at the right hand side of page in print preview window. $(function() { $("input:first")

问题 I have a table with several columns. THE SPECIFIC PROBLEM When you print such table, the columns on right will not print, not even when you print in landscape orientation. THE DESIRED BEHAVIOR The browser should print entire table, use multiple sheets if necessary. CSS/JavaScript solutions are acceptable. SHORTEST CODE NECESSARY TO REPRODUCE THE PROBLEM Click the print button in the following demo. Look at the right hand side of page in print preview window. $(function() { $("input:first")

问题 I recently switched OS and am using a newer Python (2.7). On my old system, I used to be able to print instantaneously. For instance, suppose I had a computationally intense for loop: for i in range(10): huge calculation print i then as the code completed each iteration, it would print i However, on my current system, python seems to cache the stdout so that the terminal is blank for several minutes, after which it prints: 1 2 3 in short succession. Then, after a few more minutes, it prints:

问题 I have to print a PDF file in java program and make sure it's printed successfully, else throw exception. My Code is: Process p = Runtime.getRuntime().exec("lp -c -n 1 -d 1.2.3.4 abc.pdf"); System.out.println(p.waitFor()); Above code prints 0, but it only confirms that job is submitted fine, how to make sure that it's printed also. Is there any other way to do this? 回答1: Run lpstat (after lp) and capture the process output. 来源： https://stackoverflow.com/questions/14616733/runtime-exec-lp

问题 Input: a;3;c;1 a;4;b;2 a;5;c;1 Output: a;3;c;1 a;5;c;1 Hence, all lines which have duplicates of columns 1,3 and 4 should be printed. 回答1: If a 2-pass approach is OK: $ awk -F';' '{key=$1 FS $3 FS $4} NR==FNR{cnt[key]++;next} cnt[key]>1' file file a;3;c;1 a;5;c;1 otherwise: $ awk -F';' ' { key=$1 FS $3 FS $4; a[key,++cnt[key]]=$0 } END { for (key in cnt) if (cnt[key] > 1) for (i=1; i<=cnt[key]; i++) print a[key,i] } ' file a;3;c;1 a;5;c;1 The output order of keys in that second script will be

问题 “java.io.IOException: read failed, socket might closed or timeout, read ret: -1” exception appears while i'm trying to connect my android device with Zebra ZD410 printer through bluetooth. try { mmSocket.connect(); } catch (IOException e1) { android.util.Log.e(TAG, e1.toString()); try { android.util.Log.i(TAG, "Trying fallback..."); mmSocket =(BluetoothSocket) mmDevice.getClass().getMethod("createRfcommSocket", new Class[] {int.class}).invoke(mmDevice,1); mmSocket.connect(); android.util.Log

问题 I am trying to print a panel (with its contents) to a printer. I saw different posts on the net, but I am not able to print the panel and get the correct size. The panel is getting printed very large and not as expected. For example, I want to print a panel and get as output size 80mm X 40mm: private void Print_Click(object sender, EventArgs e) { int pixelsWidth = 300; // 300 pixels= ~8cm int pixelsHeight = 150; // 150 pixels= ~4cm panelLabel.Size = new Size(pixelsWidth,pixelsHeight);