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• matplotlib plot window won't appear

  - by user1518837

  I'm using Python 2.7.3 in 64-bit. I installed pandas as well as matplotlib 1.1.1, both for 64-bit. Right now, none of my plots are showing. After attempting to plot from several different dataframes, I gave up in frustration and tried the following first example from http://pandas.pydata.org/pandas-docs/dev/visualization.html: INPUT: import matplotlib.pyplot as plt ts = Series(randn(1000), index=date_range ('1/1/2000', periods=1000)) ts = ts.cumsum() ts.plot() pylab.show() OUTPUT: Axes(0.125,0.1;0.775x0.8) And no plot window appeared. Other StackOverflow threads I've read suggested I might be missing DLLs. Any suggestions?

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• Regex for zeroing in on build output text error

  - by Mike Atlas

  I'd like to quickly hone in on what failed in a build log output that is nearly 5k lines long, using Notepad++ as my editor for the file. Notepad++ has the nice ability to specify regular expressions, so I am wondering if there is a way to not match: Compile complete -- 0 errors, 0 warnings but to match, for example: Compile complete -- 1 errors, 0 warnings Compile complete -- 100 errors, 0 warnings where the match would be (1 or more) errors. If this isn't possible, I will probably just write a quick line-by-line parsing tool instead, but I was hoping someone on StackOverflow could whip out a regular expression in the same amount of time - I'm definitely not proficient enough with regular expressions to be able to write one for my needs in a short amount of time.

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• Defining action on window load

  - by zac

  I am trying to get a page to display specific properties depending on whether or not a specific cookie is set... I am trying this var x = readCookie('age'); window.onload=function(){ if (x='null') { document.getElementById('wtf').innerHTML = ""; }; if (x='over13') { document.getElementById('wtf').innerHTML = ""; }; if (x='not13') { document.getElementById('emailBox').innerHTML = "<style type=\"text/css\">.formError {display:none}</style><p>Good Bye</p><p>You must be 13 years of age to sign up.</p>"; }; } It always just defaults to whatever is in the first if statement... I am still learning my javaScript so I am sure this is sloppy.. can someone please help me get this working?

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• Printing python tkinter output

  - by Eric

  I am trying to print the contents of a python tkinter canvas. I have tried using the postscript method of canvas to create a postscript file, but I get a blank page. I know this is because I have embedded widgets, and these do not get rendered by the postscript method. Before I rewrite my program to create a more printer-friendly layout, can someone suggest a way to approach this problem? All of the programming books I have ever read approach the problem of sending output to a printer with a bit of hand-waving, something along the lines of: "It's a difficult problem that depends on interacting with the operating system." I also have a hard time finding resources about this because of all the pages related to printing to the screen. I am using Python 2.6, on Ubuntu 9.04.

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• Send Ctrl+Up to a window

  - by dutt

  I'm trying to send messages to a window that says Ctrl and Up-arrow has been pressed. I've got the basics down, I can send presses of the space key that registeres fine. But I can't seem to get the ctrl+up working. chosen code snippets: [DllImport("user32.dll", CharSet = CharSet.Auto, SetLastError = false)] static extern IntPtr SendMessage(IntPtr hWnd, int Msg, int wParam, int lParam); Now this works fine for sending Space: public static void SendKeyPress(IntPtr handle, VKeys key) { SendMessage(handle, (int) WMessages.WM_KEYDOWN, (int) key, 0); SendMessage(handle, (int)WMessages.WM_KEYUP, (int)key, 0); } But this doesn't work for sending Ctrl+Up: public static void SendKeyPress(IntPtr handle, VKeys key, bool control) { SendMessage(handle, (int) WMessages.WM_KEYDOWN, (int) key, 0); SendMessage(handle, (int) WMessages.WM_KEYDOWN, (int)VKeys.VK_CONTROL, 0); SendMessage(handle, (int)WMessages.WM_KEYUP, (int)key, 0); SendMessage(handle, (int)WMessages.WM_KEYUP, (int)VKeys.VK_CONTROL, 0); } What am I missing?

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• Zend disableLayout() leaves html & body tags in output

  - by sunwukung

  Hi all, could anyone take a look at this for me? Problem: trying to output a csv on demand using Zend Framework. I want to avoid creating files on the system so I'm trying to use the same solution posted here: http://stackoverflow.com/questions/1136264/export-csv-in-zend-framework However - I'm still getting html and body tags in the csv. I'm setting layouts in the ini file. I've tried putting the csv call earlier in the request cycle using preDispatch etc - but to no avail. Any help is greatly appreciated SWK

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• C program giving incorrect output for simple math!

  - by DuffDuff

  (all are declared as ints, none are initialized to anything beforehand. I have included math.h and am compiling with -lm) cachesize = atoi(argv[1]); blocksize = atoi(argv[3]); setnumber = (cachesize/blocksize); printf("setnumber: %d\n", setnumber); setbits = (log(setnumber))/(log(2)); printf("sbits: %d\n", setbits); when given cachesize as 1024 and blocksize as 16 the output is as follows: setnumber: 64 sbits: 5 but log(64)/log(2) = 6 ! It works correctly when given cachesize 512 and blocksize 32. I can't seem to win. I'm really hoping that it's a stupid mistake on my part, and I'd be grateful if anyone could point out what it is! Thank you! PS: I posted this in Yahoo Answers first but that was probably silly. Won't be doing that again.

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• Why is the output like this?

  - by javatechi

  class another { public void method(Object o) { System.out.println("This is in method which takes object"); } public void method(String s) { System.out.println("This is method which takes string"); } } public class NewClass { public static void main(String args[]) { another an = new another(); an.method(null); } } When I try to execute this, I get This is method which takes string as the output. Why not "This is in method which takes object"? Object can also be null and string can also be null, why doesn't it invoke first method?

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• Return value in Visual Studio's Autos window

  - by Dave

  When I used to develop in C++, I remember that Visual Studio had an entry in its Autos window whenever returning from a function call. This entry would tell me what value was returned from that function. One might argue that if a function returns a value, then you should set a variable to that value, i.e. int i = GetRandomInt(); But as a contrived example, suppose I wanted to do this: CycleTushKicker( GetRandomInt()); Instead of stepping into CycleTushKicker to figure out how many lickings my kid gets, I'd just like to know the value as soon as I exit GetRandomInt. Is there a way to get this when using C#?

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• Output caching in HTTP Handler and SetValidUntilExpires

  - by mayor

  I'm using output caching in my custom HTTP handler in the following way: public void ProcessRequest(HttpContext context) { TimeSpan freshness = new TimeSpan(0, 0, 0, 60); context.Response.Cache.SetExpires(DateTime.Now.Add(freshness)); context.Response.Cache.SetMaxAge(freshness); context.Response.Cache.SetCacheability(HttpCacheability.Public); context.Response.Cache.SetValidUntilExpires(true); ... } It works, but the problem is that refreshing the page with F5 leads to page regeneration (instead of cache usage) despite of the last codeline: context.Response.Cache.SetValidUntilExpires(true); Any suggestions?

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• Output custom messages based on row value

  - by decimal

  I've made a simple guestbook mysql/php page. An entry is displayed if the approve column has a value of 1. For the adminstrator, I want to display either "message approved" or "not approved". Here's my code: while ($row = mysql_fetch_array ($r)) { print "<p>Guest:" .$row['name']. "</p> <p>Date:" .$row['date']. "</p> <p>Comment:". $row['comment']. "</p>"; if ($row['approve'] = '1') { print '<p>YES, the message has been approved</p>'; } else { print '<p>NO, it hasn\'t been approved</p>'; } Whatever value the if statement checks approve is equal to, all approve values are output as that value.

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• replace asp.net Response.Output with my own content

  - by WebDude

  I am trying to intercept a asp.net web request and based on a lookup replace the page thats going to be rendered to the client. example: is a request for "/about-us" comes to my web server, i will first see if i have a version of this in the database, otherwise i will revert to flat files. The version i will retrieve from the database will be a .aspx page that has to be rendered and containt web controls and inline serverside script. What is the best way to go about this? I have tried overriding the CreateHtmlTextWriter method but this seems too late in the process as the TextWriter passed to this method is already instantiated. I have also tried to Implement my own PageHandlerFactory but this seems to create an instance of Page of which i cannot seem to override its internal setting of the Response.Output stream. Amd i barking up the wrong tree here? what is the best approach to take here?

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• Building ffmpeg with an executable output

  - by Kevin Galligan

  I generally don't like to ask such "you figure it out for me" questions, but I suspect this one will be really simple for a C++ guru. I want to build ffmpeg for Android, and I'd like it to output an executable rather than a set of libraries. We've been using the guardian project's build: https://github.com/guardianproject/android-ffmpeg It does produce what we want, but I've found tweaking it for different architectures to be, at best, unpleasant. I've gotten this version to build: https://github.com/appunite/AndroidFFmpeg It does a nice job of slicing and dicing different architectures, but produces a jni version. There is a long story as to why I want the exe, but I'll skip it for now. Is there a flag that needs to be flipped? Some path or other setting? I am at this point fully baffled. Thanks in advance.

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• Commit In loop gives wrong output?

  - by Vineet

  I am trying to insert 1 to 10 numbers except 6and 8 in table messages,but when i fetch it from table mesages1, output is coming in this order 4 5 7 9 10 1 2 3 It should be like this 1 2 3 4 5 7 9 10 According to the logic ,it works fine when i omit commit or put it some where else, Please explain why it is happening? this is my code. BEGIN FOR i IN 1..10 LOOP IF i<>6 AND i<>8 THEN INSERT INTO messages1 VALUES (i); END IF; commit; END LOOP; END; select * from messages1;

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• Application window sent behind other windows on closing different thread (C#)

  - by david.murrant

  I'm writing a Windows Forms Application in C#.NET On startup, the application displays a splash screen which is running in a separate thread. Whilst the splash screen is showing, the main application is initialising. Once the main application has finished initialising, the main form of the application is displayed, and the splash screen still shows over the top. Everything so far is as expected. Then, the Splash screen is closed, which causes that thread to exit. For some reason, at the point, the main application windows gets sent behind all other open Windows, notably the Windows Explorer window where you clicked the .exe file to run the application in the first place! What could be causing the windows to suddenly jump "behind" like this?

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• C# - Listing class properties like Immediate window

  - by Robert

  Hi, I store a few classes in session. I want to be able to see the values of my class properties in trace viewer. By default I only the Type name MyNamespace.MyClass. I was wondering if I overwrite the .ToString() method and use reflection to loop over all the properties and construct a string like that ... it would do the trick but just wanted to see if there is anything already out there (specially since Immediate Window has this capability) which does the same ... i.e. list the class property values in trace instead of just the Name of the class. Thanks!

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• C# Console Application Output to .csv file

  - by Zinn

  I am trying to make a program that will show the numbers: 1, 10 +30 2, 40 (the scale goes up in this pattern by adding 20 to the last number added) 3, 90 +50 4, 160 5, 250 +70 So far I have this code: using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.IO;// namespace Myloop { class Program { static void Main(string[] args) /// </summary> { StreamWriter myOutputStream = new StreamWriter("loopdata.csv"); int forloop; for (forloop = 1; forloop < 21; forloop++) Console.WriteLine(forloop); Console.ReadLine(); myOutputStream.Close(); } } } This is showing the first sequence of numbers 1 - 20, but could anyone give me any guidance how to do the other sequence next to it in the console application and how I can output these to a .csv file, as the information I have so far doesn't appear in the .csv file

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• Serialising my JSON output problem in JQuery

  - by davykiash

  Am trying to validate my form using an AJAX call $("#button").click(function() { $.ajax({ type: "POST", url: "<?php echo $this->baseUrl() ?>/expensetypes/async", data: 'fs=' + JSON.stringify($('#myform').serialize(true)), contentType: "application/json; charset=utf-8", dataType: "json" }); }); On my controller my code is as follows //Map the form from the client-side call $myFormData = Zend_Json::decode($this->getRequest()->getParam("fs") ,Zend_Json::TYPE_ARRAY); $form = new Form_Expensetypes(); $form->isValid($myFormData); However from firebug my output is as follows fs="id=&expense_types_code=AAA&expense_types_desc=CCCC&expense_types_linkemail=XXXX&expense_types_budgetamount=22222&expense_types_budgetperiod=22222" What I expect is something similar to fs{"expense_types_code":"AAA","expense_types_desc":"CCCC","expense_types_linkemail":"XXXX","expense_types_budgetamount":"22222"} How do I achieve this type of serialisation?

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• Common files in output directories in a C# program

  - by Net Citizen

  My VS2008 solution has the following setup. Program1 Program2 Common.dll (used and referenced by both Program1 and Program2) In debug mode I like to set my output directory to Program Files\Productname, because some code will get the exe path for various reasons. My problem is that Program1 when compiled, will give an error that it could not copy Common.dll if Program2 is started. And vise versa. The annoyance here is that I don't even make changes to Common.dll that often, but 100% of the time it will try to copy it, not only when there are changes. I end up having to close all programs, and then build and then start them. So my question is, how can I only have VS2008 copy the Common.dll if there are changes inside the Common.dll project?

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• python equivalent of filter() getting two output lists

  - by FX

  Let's say I have a list, and a filtering function. Using something like >>> filter(lambda x: x > 10, [1,4,12,7,42]) [12, 42] I can get the elements matching the criterion. Is there a function I could use that would output two lists, one of elements matching, one of the remaining elements? I could call the filter() function twice, but that's kinda ugly :) Edit: the order of elements should be conserved, and I may have identical elements multiple times.

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• "tail -f" alternate which doesn't scroll the terminal window

  - by Jagtesh Chadha

  I want to check a file at continuous intervals for contents which keep changing. "tail -f" doesn't suffice as the file doesn't grow in size. I could use a simple while loop in bash to the same effect: while [ 1 ]; do cat /proc/acpi/battery/BAT1/state ; sleep 10; done It works, although it has the unwanted effect of scrolling my terminal window. So now I'm wondering, is there a linux/shell command that would display the output of this file without scrolling the terminal?

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• Error comparing hash to hashed mysql password (output values are equal)

  - by Charlie

  Im trying to compare a hashed password value in a mysql database with the hashed value of an inputted password from a login form. However, when I compare the two values it says they aren't equal. I removed the salt to simply, and then tested what the outputs were and got the same values $password1 = $_POST['password']; $hash = hash('sha256', $password1); ...connect to database, etc... $query = "SELECT * FROM users WHERE username = '$username1'"; $result = mysql_query($query); $userData = mysql_fetch_array($result); if($hash != $userData['password']) //incorrect password { echo $hash."|".$userData['password']; die(); } ...other code... Sample output: 7816ee6a140526f02289471d87a7c4f9602d55c38303a0ba62dcd747a1f50361| 7816ee6a140526f02289471d87a7c4f9602d55c38303a0ba62dcd747a1f50361 Any thoughts?

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• HTML5 drag upload in new window

  - by user463604

  I have setup an HTML5 drag and drop upload into my site. The problem that I have is when a user is uploading a large file, they must wait for the upload to finish before navigating and using the rest of the site. So, what I'd like to do is allow the user to drag files to the main site and then have it automatically open a new window and start the upload there so they can still use the rest of the site while the upload is happening. Anyone have and advice on how to accomplish this or if it can even be done?

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• Output of Iterable.sliding as Tuple

  - by ziggystar

  The method sliding on collections returns a sliding window of given size in the form of X[Iterable[A]] with X being the type of the collection and A the element type. Often I need two or three elements and I prefer to have them named. One ugly workaround for sliding(2) is the following: points.sliding(2).foreach{ twoPoints => val (p1,p2) = (twoPoints.head,twoPoints.last) //do something } This sucks and only works for two elements. Also note that (a,b) = (twoPoints(0),twoPoints(1)) doesn't work. Help me!

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• c# unicode string output

  - by Reg

  I have function to convert string to a Unicode string: private string UnicodeString(string text) { return Encoding.UTF8.GetString(Encoding.ASCII.GetBytes(text)); } But when I am calling this function the output result is wrong. It looks like my function is not working. Console.WriteLine(UnicodeString("????? ?????")) printing on console just questions like that: ????? ???? Is there any way to say to console to display it correct? UPDATE Looks like the problem not in Unicode, I think may be it is displaying question marks because i am not having correct locale in the system (Windows 7)? Is there any way to make it work without changing locale?

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