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  • Python Random Question

    - by coson
    Good Day, I am using Python 2.6 and am trying to run a simple random number generator program (random.py): import random for i in range(5): # random float: 0.0 <= number < 1.0 print random.random(), # random float: 10 <= number < 20 print random.uniform(10, 20), # random integer: 100 <= number <= 1000 print random.randint(100, 1000), # random integer: even numbers in 100 <= number < 1000 print random.randrange(100, 1000, 2) I'm now receiving the following error: C:\Users\Developer\Documents\PythonDemo>python random.py Traceback (most recent call last): File "random.py", line 3, in <module> import random File "C:\Users\Developer\Documents\PythonDemo\random.py", line 8, in <module> print random.random(), TypeError: 'module' object is not callable C:\Users\Developer\Documents\PythonDemo> I've looked at the Python docs and this version of Python supports random. Is there something else I'm missing? TIA, coson

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  • google maps, cellid to location

    - by Dels
    According to this sample: http://www.codeproject.com/KB/mobile/DeepCast.aspx It's possible to request a gps coordinate (longitude & latitude) including range when sending cellid information (MCC, MNC, towerid, etc) Can someone tell me the actual parameter to request/post to this address? http://www.google.com/glm/mmap It could be something like this http://www.google.com/glm/mmap?mcc=xxx&mnc=xxx&towerid=xxx And i would like to know what response we would get. I have observe OpenCellid website and they provide some nice API to begin with, but i want to know about that in google map too (since they have more completed database). OpenCellID API

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  • [IOS SDK] retrieving scores from game center

    - by Sam
    I got this code from apple's developer site. How do i process the score information to be viewed in a like a UITableView or something? (void) retrieveTopTenScores { GKLeaderboard *leaderboardRequest = [[GKLeaderboard alloc] init]; if (leaderboardRequest != nil) { leaderboardRequest.playerScope = GKLeaderboardPlayerScopeGlobal; leaderboardRequest.timeScope = GKLeaderboardTimeScopeAllTime; leaderboardRequest.range = NSMakeRange(1,10); [leaderboardRequest loadScoresWithCompletionHandler: ^(NSArray *scores, NSError *error) { if (error != nil) { // handle the error. } if (scores != nil) { // process the score information. } }]; } }

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  • SQL: Need to SUM on results that meet a HAVING statement

    - by Wasauce
    I have a table where we record per user values like money_spent, money_spent_on_candy and the date. So the columns in this table (let's call it MoneyTable) would be: UserId Money_Spent Money_Spent_On_Candy Date My goal is to SUM the total amount of money_spent -- but only for those users where they have spent more than 10% of their total money spent for the date range on candy. What would that query be? I know how to select the Users that have this -- and then I can output the data and sum that by hand but I would like to do this in one single query. Here would be the query to pull the sum of Spend per user for only the users that have spent 10% of their money on candy. SELECT UserId, SUM(Money_Spent), SUM(Money_Spent_On_Candy) / SUM(Money_Spent) AS PercentCandySpend FROM MoneyTable WHERE DATE >= '2010-01-01' HAVING PercentCandySpend > 0.1;

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  • Passing dynamic CSS to jQuery.animate

    - by harpo
    The documentation of jQuery.animate states that The only required parameter is a map of CSS properties. This map is similar to the one that can be sent to the .css() method, except that the range of properties is more restrictive. So, why does this work $('#con div').css( { top : function(i) { console.log(i); return (i * 500) + 'px'; } } ); and this doesn't? $('#con div').animate( { top : function(i) { console.log(i); return (i * 500) + 'px'; } } ); The console shows that the function is being evaluated for css, but not for animate. Am I missing something? By the way, I'm using 1.4.2.

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  • What alternatives are there to Google App Engine?

    - by Chris Marasti-Georg
    What alternatives are there to GAE, given that I already have a good bit of code working that I would like to keep. In other words, I'm digging python. However, my use case is more of a low number of requests, higher CPU usage type use case, and I'm worried that I may not be able to stay with App Engine forever. I have heard a lot of people talking about Amazon Web Services and other sorts of cloud providers, but I am having a hard time seeing where most of these other offerings provide the range of services (data querying, user authentication, automatic scaling) that App Engine provides. What are my options here?

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  • How do I set a matplotlib colorbar extents?

    - by Adam Fraser
    I'd like to display a colorbar representing an image's raw values along side a matplotlib imshow subplot which displays that image, normalized. I've been able to draw the image and a colorbar successfully like this, but the colorbar min and max values represent the normalized (0,1) image instead of the raw (0,99) image. f = plt.figure() # create toy image im = np.ones((100,100)) for x in range(100): im[x] = x # create imshow subplot ax = f.add_subplot(111) result = ax.imshow(im / im.max()) # Create the colorbar axc, kw = matplotlib.colorbar.make_axes(ax) cb = matplotlib.colorbar.Colorbar(axc, result) # Set the colorbar result.colorbar = cb If someone has a better mastery of the colorbar API, I'd love to hear from you. Thanks! Adam

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  • How can I create a JTable where the first column is always in the JScrollPane viewport?

    - by voodoogiant
    What's the best way to set up a table in a JScrollPane such that the first column is always on the screen in the same position regardless of horizontal scrolling and overlaps columns that pass underneath? When the scrollbar is at the farthest left, the columns look normal, but as the user scrolls to the right, the secondary columns (2 and on) move underneath the first until the last column appears on the far right of the viewport? I found a sample taken from Eckstein's "Java Swing" book that sort of does this, but it doesn't allow resizing of the first column. I was thinking of some scheme where one JPanel held a horizontal struct and a table holding the secondary columns and another JPanel which floated over them (fixed regardless of scrolling). The struct would be to keep the viewport range constant as the first column floated around. Ideally I could do it with two tables using the same model, but I'm not sure if the whole idea is a naive solution.

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  • What is a good way to animate UIViews inside UITableViewCell after a callback?

    - by erotsppa
    We couldn't find a way to animate UIViews inside a UITableCell as an action from a callback. Suppose in a scenario where you click on a button on the UITableViewCell and it fires off an asynchronous action to download a picture. Suppose further that when the picture is downloaded we want a UIView in the cell to animate the picture to give user a visual feedback that something new is about to be presented. We couldn't find a way to track down the UIVIew to invoke beginAnimation on because the original cell that the user clicked on might now be used for another row due to the nature of cells being reused when you scroll up and down in the table. In other words we can't keep a pointer to that UITableViewCell. We need to find another way to target the cell and animate it if that row is visible and don't animate if the row is scrolled out of range.

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  • Sending multipart response for downloads in Zend Framework

    - by takeshin
    I'm sending files in action helper for downloads (in parts if needed) like this: ... $response->sendHeaders(); $chunksize = 1 * (1024 * 1024); $bytesSent = 0; if ($httpRange) { fseek($file, $range); } while(!feof($file) && (!connection_aborted() && ($bytesSent < $newLength)) ) { $buffer = fread($file, $chunksize); // $response->appendBody($buffer); // this would be better print($buffer); flush(); $bytesSent += strlen($buffer); } fclose($file); I suspect that better way would be to make use of $response object instead of print. Which is the recommended way to send big response objects using Zend Framework?

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  • Write data to an xml file.

    - by Bobby
    My aim is to write an XML file with few tags whose values are the regional language. I'm using Python to do this and using IDLE(Pythong GUI) for programming. While I try to write the words in an xmls file it gives the following error. UnicodeEncodeError: 'ascii' codec can't encode characters in position 0-4: ordinal not in range(128) For now, I'm not using any xml writer library instead I'm opening a file "test.xml" and writing the data into it. This error is encountered by the line: f.write("\t\" + data + "\"). If I replace the above write statement with print statement then it prints the data properly on Python Shell. I'm reading the data from an excel file which is not in the UTF8,16, or 32 encoding formats. Its in some other format. cp1252 is reading the data properly. Any help in getting this data writtent oan xml would be highly appreciated. Thanks in advance. Bob

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  • Time zone for Force.com API fiscal date literals?

    - by Nick
    I have a question about fiscal date literals in the Force.com API (http://www.salesforce.com/us/developer/docs/api/Content/sforce_api_calls_soql_select_dateformats.htm): For which time zone are date ranges calculated? For example, suppose we execute the query: SELECT Id FROM Opportunity WHERE CloseDate = THIS_FISCAL_QUARTER where, according to our company's fiscal settings, THIS_FISCAL_QUARTER runs from Jan 1 to Mar 31. Does the range for THIS_FISCAL_QUARTER use... the user's time zone? For example, if the user's time zone is GMT-8, THIS_FISCAL_QUARTER = Jan 1 00:00 GMT-8 to Mar 31 23:59 GMT-8 (or Jan 1 08:00 UTC to Mar 31 07:59 UTC) the company's default time zone (according to the company profile)? For example, if the company's default time zone is GMT-8, THIS_FISCAL_QUARTER = Jan 1 00:00 GMT-8 to Mar 31 23:59 GMT-8 (or Jan 1 08:00 UTC to Mar 31 07:59 UTC) UTC? THIS_FISCAL_QUARTER = Jan 1 00:00 UTC to Mar 31 23:59 UTC something else?

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  • General ODBC Error in VBA

    - by raam
    Hi am populating the data from MS Access By Using VBA i am using below mentioned code.if i am run the same code in MS 2007 then It run properly but if i am run the same code in MS 2003 it gives the "General ODBC Error" how to solve this problem Any help would be appreciated!! Thanks in advance Sub Button2_Click() Dim varConnection As String Dim varSQL As String Dim cal, cal1, x varConnection = "ODBC; DSN=MS Access Database;DBQ=D:\Box\Generate.mdb;Driver={Driver do Microsoft Access (*.mdb)}" ' varSQL = "SELECT * FROM Empdata" With ActiveSheet.QueryTables.Add(Connection:=varConnection, Destination:=ActiveSheet.Range("C7")) .CommandText = varSQL .Name = "Query-39008" .Refresh BackgroundQuery = False End With End Sub

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  • Could the UIHint attribute accept a property of the current class ?

    - by user252160
    I found the follwing code in MSDN . How can I change this "UnitsInStock" with a value that my Product class has. For instance, Product has a FieldType property which has a string property called Name. I'd like to use that FieldType.Name property instead of hardcoding with a string. However, I cannot specify "this", or the current instance as an argument of the UIHint attribute . Please, help using System; using System.Web.DynamicData; using System.ComponentModel.DataAnnotations; [MetadataType(typeof(ProductMetadata))] public partial class Product { } public partial class ProductMetadata { [UIHint("UnitsInStock")] [Range(100, 10000, ErrorMessage = "Units in stock should be between {1} and {2}.")] public object UnitsInStock; }

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  • Multilangual Unicode rendering in opengl

    - by sum1stolemyname
    Hi Folks, I have to extend an OpenGL-Rendering System to support international characters (especially Hebrew, Arabic and cyrillic). Development Platform is Windows(XP|Vista|7), Alas using Embercardero Delphi 2010. I currently use wglOutLineFont(...) to build my font's display list and glCallLists(length(m_Text), UNSIGNED_SHORT, PWchar(m_Text) ) to render my strings. While this is feasable for Latin-1 Characters, building the full unicode character set in advanced is pretty time-consuming (about 8.5 minutes on my machine), so i am looking for a more efficient solution. I thought about limiting the range from u+0020 - u+077f (latin, greek, cyrillic, arbaic and hebrew) to include just the glyphs i need, but that would just be a solution for my current needs, and will become insufficent once other encoding is needed. On the upside, i do not have to worry about left-to right or right-to left direction as our application can handle this already. I would expect this to be a well-known problem, so i would like to ask if there is any reference material on this on the web, or if you could share some insight on this?

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  • populate a comboBox in Griffon App dynamically

    - by kulkarni
    I have 2 comboBoxes in my View of Griffon App (or groovy swingBuilder) country = comboBox(items:country(), selectedItem: bind(target:model, 'country', value:model.country), actionPerformed: controller.getStates) state = comboBox(items:bind(source:model, sourceProperty:'states'), selectedItem: bind(target:model, 'state', value:model.state)) The getStates() in the controller, populates @Bindable List states = [] in the model based on the country selected. The above code doesn't give any errors, but the states are never populated. I changed the states from being List to a range object(dummy), it gives me an error MissingPropertyException No such property items for class java.swing.JComboBox. Am I missing something here? There are a couple of entries related to this on Nabble but nothing is clear. The above code works if I had a label instead of a second comboBox.

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  • On-the-fly lossless image compression

    - by geschema
    I have an embedded application where an image scanner sends out a stream of 16-bit pixels that are later assembled to a grayscale image. As I need to both save this data locally and forward it to a network interface, I'd like to compress the data stream to reduce the required storage space and network bandwidth. Is there a simple algorithm that I can use to losslessly compress the pixel data? I first thought of computing the difference between two consecutive pixels and then encoding this difference with a Huffman code. Unfortunately, the pixels are unsigned 16-bit quantities so the difference can be anywhere in the range -65535 .. +65535 which leads to potentially huge codeword lengths. If a few really long codewords occur in a row, I'll run into buffer overflow problems.

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  • Reading UDP Packets

    - by Thomas Mathiesen
    I am having some trouble dissecting a UDP packet. I am receiving the packets and storing the data and sender-address in variables 'data' and 'addr' with: data,addr = UDPSock.recvfrom(buf) This parses the data as a string, that I am now unable to turn into bytes. I know the structure of the datagram packet which is a total of 28 bytes, and that the data I am trying to get out is in bytes 17:28. I have tried doing this: mybytes = data[16:19] print struct.unpack('>I', mybytes) --> struct.error: unpack str size does not match format And this: response = (0, 0, data[16], data[17], 6) bytes = array('B', response[:-1]) print struct.unpack('>I', bytes) --> TypeError: Type not compatible with array type And this: print "\nData byte 17:", str.encode(data[17]) --> UnicodeEncodeError: 'ascii' codec can't encode character u'\xff' in position 0: ordinal not in range(128) And I am not sure what to try next. I am completely new to sockets and byte-conversions in Python, so any advice would be helpful :) Thanks, Thomas

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  • Can't see drop down list in Excel VBA

    - by Ten Ton Gorilla
    I've created a very simple drop down list in excel. It holds a sequence of integers loaded from a cell range (years). I need to read the selected value in vba. However I can't even seem to find the control! I've tried CboYear Sheet2.CboYear Worksheets("SheetName").CboYear etc. etc. From everywhere in VBA this control just doesn't exist. All the tutorial I find seem to assume that using just the control name will work. I've tried the code in the sheet itself, the workbook, and a module, no luck.

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  • Neural Network problems

    - by Betamoo
    I am using an external library for Artificial Neural Networks in my project.. While testing the ANN, It gave me output of all NaN (not a number in C#) The ANN has 8 input , 5 hidden , 5 hidden , 2 output, and all activation layers are of Linear type , and it uses back-propagation, with learning rate 0.65 I used one testcase for training { -2.2, 1.3, 0.4, 0.5, 0.1, 5, 3, -5 } ,{ -0.3, 0.2 } for 1000 epoch And I tested it on { 0.2, -0.2, 5.3, 0.4, 0.5, 0, 35, 0.0 } which gave { NaN , NaN} Note: this is one example of many that produces same case... I am trying to discover whether it is a bug in the library, or an illogical configuration.. The reasons I could think of for illogical configuration: All layers should not be linear Can not have descending size layers, i.e 8-5-5-2 is bad.. Only one testcase ? Values must be in range [0,1] or [-1,1] Is any of the above reasons could be the cause of error, or there are some constraints/rules that I do not know in ANN designing..? Note: I am newbie in ANN

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  • How to persist a very abstract data type between sessions: PHP

    - by Greelmo
    I have an abstract data type that behaves much like stack. It represents a history of "graph objects" made by a particular user. Each "graph object" holds one or more "lines", a date range, keys, and a title. Each "line" holds a sql generator configured for a particular subset of data in my db. I would like for these "histories" to be available to users between their sessions. It will be in the form of a tab that reads something like "most recent graphs". What do you believe to be the best way to persist this type of data between sessions. This application could get rather large, so efficiency is a concern. Thanks in advance.

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  • Python Least-Squares Natural Splines

    - by Eldila
    I am trying to find a numerical package which will fit a natural which minimizes weighted least squares. There is a package in scipy which does what I want for unnatural splines. import numpy as np import matplotlib.pyplot as plt from scipy import interpolate import random x = np.arange(0,5,1.0/2) xs = np.arange(0,5,1.0/500) y = np.sin(x+1) for i in range(len(y)): y[i] += .2*random.random() - .1 knots = np.array([1,2,3,4]) tck = interpolate.splrep(x,y,s=1,k=3,t=knots,task=-1) ynew = interpolate.splev(xs,tck,der=0) plt.figure() plt.plot(xs,ynew,x,y,'x')

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  • Google's Geocoder returns wrong country

    - by 6bytes
    Hi I'm using Google's Geocoder to find lat lng coordinates for a given address. var geocoder = new google.maps.Geocoder(); geocoder.geocode( { 'address': address, 'region': 'uk' }, function(results, status) { if(status == google.maps.GeocoderStatus.OK) { lat: results[0].geometry.location.lat(), lng: results[0].geometry.location.lng() }); address variable is taken from an input field. I want to search locations only in UK. I thought that specifying 'region': 'uk' should be enough but it's not. When I type in "Boston" it founds Boston in US and I wanted the one in UK. How to restrict Geocoder to return locations only from one country or maybe from a certain lat lng range? Thanks

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  • MS Access Print Report using VBA

    - by LanguaFlash
    I have a very VBA intensive report. When I preview it everything is great but when I print it after previewing things go wacky. I have spent many hours narrowing down the possibilities and I have conclude with a certain level of confidence that it is a but in MS Access. Up to this point my method for printing reports was to open the report using docmd.openreport "report". I then use the docmd.printout command so that I can set the page range, collation etc. Is there a way to print a report directly and still be able to set options like page rage, collate etc without doing a preview first? Thanks, Jeff

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  • Finisar SQLite Problem with ParameterDirection

    - by Emanuel
    private int GetNextId() { SQLiteConnector conn = new SQLiteConnector(false); conn.OpenConnection(); cmd = new SQLiteCommand("SELECT @id_account = MAX(id_account) FROM account"); SQLiteParameter param = new SQLiteParameter("@id_account", DbType.Int32); param.Direction = ParameterDirection.Output; cmd.Parameters.Add(param); cmd = conn.ExecuteReadeOutput(cmd); conn.Close(); return int.Parse(cmd.Parameters["id_account"].Value.ToString()) + 1; } ... public SQLiteCommand ExecuteReadeOutput(SQLiteCommand cmd) { conn.Open(); cmd.Connection = conn; reader = cmd.ExecuteReader(); reader.Close(); return cmd; } When I call the method GetNextId() occur the following error: Specified argument was out of the range of valid values. at line: param.Direction = ParameterDirection.Output; Any idea? Thanks.

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