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• [Python] Help me : how i can deal with web page !

  - by Str1k3r

  hello every one... am looking for modules or functions let's me joins in id web !!!! i mean like i told python go to hotmail.com then go to signup ! how i can do that i mean how i can tell python go to hotmail.com then find some thing called signup in source page then i tell him join to him ....etc i hope you understand my idea ! ** am thinking on urllib2 .. maybe it's can do that? am just new in python

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• closing sockets on linux and windows

  - by robUK

  Hello, gcc 4.4.4 c89 Visual Studio VC++ 2008 I am writing a cross platform client server application. It will run on both linux and windows. However, I am just wondering what I have done for closing the sockets is correct. I close the file descriptor. However, if there is a problem with closing it. What is the best way to handle this. Maybe some data is still being sent or received? Many thanks for any advice, if(close(sockfd) == -1) { #if defined ( _WIN32 ) fprintf(stderr, "[ %d ] [ %s ] [ %s ] [ %d ]\n", WSAGetLastError(), strerror(errno), __func__, __LINE__); #elif( __linux__ ) fprintf(stderr, "[ %s ] [ %s ] [ %d ]\n", strerror(errno), __func__, __LINE__); #endif return CS_FAILURE; }

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• How to identify/handle text file newlines in Java?

  - by rafrafUk

  Hi Everyone! I get files in different formats coming from different systems that I need to import into our database. Part of the import process it to check the line length to make sure the format is correct. We seem to be having issues with files coming from UNIX systems where one character is added. I suspect this is due to the return carriage being encoded differently on UNIX and windows platform. Is there a way to detect on which file system a file was created, other than checking the last character on the line? Or maybe a way of reading the files as text and not binary which I suspect is the issue? Thanks Guys !

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• Send files between python+django and C#

  - by SuitUp

  Hi, i would like to know, what is the best way to send files between python and C# and vice versa. I have my own protocol which work on socket level, and i can send string and numbers in both ways. Loops works too. With this i can send pretty much anything, like package of users id, if it is simple data. But soon i will start sending whole files, maybe xml or executables. Simple server with files is no an option because i want sending files from client too. I was thinking about serialization but i don't know it is the best solution, but if it is i will love some tips from stackoverflow community. EDIT: I added django to question and chose using http.

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• Change Image in Resources at Runtime

  - by zaidwaqi

  Hi, My understanding of Resources is that I can combine resources i.e. images and my program into single executable. Let's say I have image pic1.png and I put it into Resource of my project, and is accessible with Properties.Resource.pic1. For example, PictureBox pb = new PictureBox(); pb.Image = Properties.Resource.pic1; What I want to do is for that my program will be able to replace this image at runtime. For example, my program runs, and locate newPicture.png, and use this new image to replace pic1.png that was originally used. Maybe my question is better reworded as "Can I include new image into Resources at runtime?" Please help. Thanks.

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• I am looking for a svn helper program

  - by uzay95

  I didn't remember the name of this program. But i can remember how it works. Program is working on tray. When we double click on it it is showing its main window. :) I could add some criterias to make automatic commit(and maybe update). For ex: if a file changes or if files to be deleted, you can commit. The best part of this program is: "it is FREE" I don't remember exactly but i think it has M name in its name (but i don't remember). I think this program written by an Italian man. And its web site was very simple (and i think its fonts were green)

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• How to find out how libraries work together?

  - by Eric

  I'm tasked to replicate a few functionnalities from an existing application. This application rely on .NET managed assemblies accessible from C#. I can import those DLLs in my new C# project but there is no documentation on how to use them. Yes, this is labeled as an "SDK", but does not contain examples or documentation. Any pointers on how I should procceed? I thought about creating stubs assemblies and monitor their usage by the original application but this involves a lot of code, maybe a tool could do it for me?

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• How to read system information in C++ on Windows and Linux?

  - by f4

  I need to read system information like CPU/RAM/disks usage in C++. Maybe swap, network and process too but that's less important. It has probably been done thousand of times before so I first tried to search for a library. Someone here suggested SIGAR, which seems to fit my needs but it has a GPL license and it is for inclusion in a proprietary product. So it's not an option here. I feel like it's something not that easy to implement, as it'll need testing on several platforms. So a library would be welcome. If you don't know of any library, could you point me in the right direction for both platforms?

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• Web applet game design

  - by Vlad

  I making web games in java and having troubles each time when getting to the GUI design, usually I'm looking at others codes and copy most of the design, and I can't decide which design should I use. I used Applet, Canvas, JFrame. What i need is the main loop and draw function that changing between different games. So what class should I use and what design, which is better, why, maybe links to useful tutorials and examples... Please explain. Thanks.

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• Boost singleton trouble

  - by Ockonal

  Hi guys, I have some class which uses boost singleton. It calls some function from own c++ library. This library is written in make file as dependence. Now I have another singleton class and it should call first singleton class. After this code I got linkers error about undefined references for functions which are used in first singleton. When I remove calling first singleton class from second the errors remove. Maybe there is something wrong?

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• How do you embed a hash into a file recursively?

  - by oasisbob

  Simplest case: You want to make a text file which says "The MD5 hash of this file is FOOBARHASH". How do you embed the hash, knowing that the embedded hash value and the hash of the file are inter-related? eg, Cisco embeds hash values into their IOS images, which can be verified like this: cisco# verify s72033-advipservicesk9_wan-mz.122-33.SXH7.bin Embedded Hash MD5 : D2BB0668310392BAC803BE5A0BCD0C6A Computed Hash MD5 : D2BB0668310392BAC803BE5A0BCD0C6A IIRC, Ubuntu also includes a txt file in the root of their ISOs which have the hash of the entire ISO. Maybe I'm mistaken, but trying to figure out how to do this blows my mind.

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• What is the right way to implement communication between java objects?

  - by imoschak

  I'm working on an academic project which simulates a rather large queuing procedure in java. The core of the simulator rests within one package where there exist 8 classes, each one implementing a single concept. Every class in the project follows SRP. These classes encapsulate the behavior of the simulator and inter-connect every other class in the project. The problem that has arisen is that most of these 8 classes are, as is logical i think, tightly coupled and each one has to have working knowledge of every other class in this package in order to be able to call methods from it when needed. The application needs only one instance of each class so it might be better to create static fields for each class in a new class and use that to make calls -instead of preserving a reference in each class for every other class in the package (which I'm certain that is incorrect)-, but is this considered a correct design solution? or is there a design pattern maybe that better suits my needs?

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• Send files between python and C#

  - by SuitUp

  Hi, i would like to know, what is the best way to send files between python and C# and vice versa. I have my own protocol which work on socket level, and i can send string and numbers in both ways. Loops works too. With this i can send pretty much anything, like package of users id, if it is simple data. But soon i will start sending whole files, maybe xml or executables. Simple server with files is no an option because i want sending files from client too. I was thinking about serialization but i don't know it is the best solution, but if it is i will love some tips from stackoverflow community.

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• TSQL - create a stored proc inside a transaction statement

  - by Chris L

  I have a sql script that is set to roll to production. I've wrapped the various projects into separate transactions. In each of the transactions we created stored procedures. I'm getting error messages Msg 156, Level 15, State 1, Line 4 Incorrect syntax near the keyword 'procedure'. I created this example script to illustrate Begin Try Begin Transaction -- do a bunch of add/alter tables here -- do a bunch of data manipulation/population here -- create a stored proc create procedure dbo.test as begin select * from some_table end Commit End Try Begin Catch Rollback Declare @Msg nvarchar(max) Select @Msg=Error_Message(); RaisError('Error Occured: %s', 20, 101,@Msg) With Log; End Catch The error seems to imply that I can't create stored procs inside of transaction, but I'm not finding any docs that say otherwise(maybe google isn't being freindly today).

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• Python change the working directory for an exe opened with startfile

  - by Saulpila

  In python i'm using the os.startfile command to start a windows executable that does especific stuff in its own folder, the python code is running from another folder, so when I start the file, it starts in the python script's working directory, but it has to start in its own directory. I've tried to use os.chdir(path) to change the working directory, but it fails, the file still not runs in it's own folder. I thought maybe there is a command like shortcut's "Start in" line. I've searched everywere, but not success. The only solution comes to my mind is to create a shortcut and add the "start in" line, then launch the shortcut, but that is very impractical.

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• AudioOutputUnitStart takes time

  - by tokentoken

  Hello, I'm making an iPhone game application using Core Audio, Extended Audio File Services. It works OK, but when I first call AudioOutputUnitStart, it takes about 1-2 seconds. After the second call, no problem. For a game application, 1-2 seconds is very noticeable. (I tested this on iPhone simulator, and iPhone 3GS) Also, if I leave the game for about 10 seconds, first call of AudioOutputUnitStart also takes time. Maybe I have to call AudioOutputUnitStart beginning of the application to prevent the start-up time?

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• Ordered Data Structure that allows to efficiently remove duplicate items

  - by devoured elysium

  I need a data structure that Must be ordered (adding elements a, b and c to an empty structure, will make them be at positions 0, 1 and 2). Allows to add repeated items. This is, I can have a list with a, b, c, a, b. Allows removing all ocurrences of a given item (if I do something like delete(1), it will delete all ocurrences of 1 in the structure). I can't really pick what the best data structure could be in here. I thought at first about something like a List(the problem is having an O(n) operation when removing items), but maybe I'm missing something? What about trees/heaps? Hashtables/maps? I'll have to assume I'll do as much adding as removing with this data structure. Thanks

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• Flipping an image using a one dimensional array of characters.

  - by Jeff

  I have the data of an image loaded into memory as a one dimensional array. Since I'm trying to use OpenGL to draw it, and since it reads from the bottom up, I want to try and flip the elements of the array before they're sent to OpenGL. Maybe there's a way to tell OpenGL to read from the top to the bottom? Anyways, I tried using a few methods of sorting arrays and they also flip the image horizontally, which is very much like the original problem. So can I flip the data only one way?

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• Catching uncaught exceptions

  - by kajyr

  Hi everybody. In my workplace we are mantaining a lot of ecommerce websites, some coded better than others. On some of those, sometimes uncaught exceptions are thrown, and showed by the alertbox from the flash player debug (If you have it installed). To rise the average user experience I'd like to report all those exceptions throught a in house tool we already have. Is there a way to catch those exceptions? Maybe the flash player debug exposes them to javascript, or in some other way.

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• Which DB Server should I use?

  - by Alex

  I have to develop a new (desktop) app for a small business. This business currently has an Access database with millions of records. The file size is about 1.5 GB. The boss told me that searching on this DB is very slow. The DB consists of a single table with about 20 fields. I also think the overall DB design isn't great. I thought to use another DB server with a new design to improve both performance and efficiency. Considering this is a relatively small business, I don't want to spend much for a DB license, so I want to ask you what would you do. Continue to use Access, maybe improving and optimizing the DB in some way Buy a DB server license (in this case, which one?) ? (any idea?)

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• Paypal payments verify

  - by user2800899

  (sorry for my english). I have implemented Paypal sdk for android, it works fine! But maybe for my english I don´t understand what i have to do here: @Override protected void onActivityResult (int requestCode, int resultCode, Intent data) { if (resultCode == Activity.RESULT_OK) { PaymentConfirmation confirm = data.getParcelableExtra(PaymentActivity.EXTRA_RESULT_CONFIRMATION); if (confirm != null) { try { Log.i("paymentExample", confirm.toJSONObject().toString(4)); // TODO: send 'confirm' to your server for verification. // see https://developer.paypal.com/webapps/developer/docs/integration/mobile/verify-mobile-payment/ // for more details. } catch (JSONException e) { Toast.makeText(this, "Ha ocurrido un error, inténtelo de nuevo en unos instantes", Toast.LENGTH_LONG).show(); IrActivityAnterior(); } } } I have read about it but I don´t know if I need to send a proof of payment to the person who has bought my app or if I only need to get this proof and save it. And the other question is how can I verify it? What steps I need to follow?? Thank you!!

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• I'm making a resume...what would you consider as intermediate python programming skills?

  - by user285884

  I've made a couple of scripts. One is a stock screener that can search through every stock. Another creates a heatmap that tells you what's performed well and badly over the past day. They aren't really that useful, just did them to work on my programming skills. I was able to throw some SQL in my scripts too. Would you call that intermediate? Thanks? How do you guys list your programming skills on your resume? Maybe there's a better way of putting it on my resume than "intermediate" or "beginner."

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• Ruby forwarding method calls

  - by JP

  I have an instance of a master class which generates instances of a subclass, these subclasses need to forward some method calls back to the master instance. At the moment I have code looking something like this, but it feels like I should be able to do the same thing more efficiently (maybe with method_missing?) class Master def initalize(mynum) @mynum = mynum end def one_thing(subinstance) "One thing with #{subinstance.var} from #{@mynum}" end def four_things(subinstance) "Four things with #{subinstance.var} from #{@mynum}" end def many_things(times,subinstance) "#{times} things with #{subinstance.var} from #{@mynum}" end def make_a_sub(uniqueness) Subthing.new(uniqueness,self) end class Subthing def initialize(uniqueness,master) @u = uniqueness @master = master end # Here I'm forwarding method calls def one_thing master.one_thing(self) end def four_things master.four_things(self) end def many_things(times) master.many_things(times,self) end end end m = Master.new(42) s = m.make_a_sub("very") s.one_thing === m.one_thing(s) s.many_things(8) === m.many_things(8,s) I hope you can see what's going on here. I would use method_missing, but I'm not sure how to cope with the possibility of some calls having arguments and some not (I can't really rearrange the order of the arguments to the Master methods either) Thanks for reading!

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• How to create a snapshot or clone of PHP, MySQL page... Inspiration needed

  - by jimbo

  Hi, We have a web application that creates a dynamic PHP page with all the MySQL stored details a user has entered via a number a forms. So far so good, but we want this information stored some how to be refereed to at a later date, as an administrator can make changes to the data, which reflects on calculations that are worked out from this saved data. When going back over this saved data we need to be able to see all the information submitted for that particular calculation, so if that data has changed we will see what is was relating to that calculation. Now we have thought about maybe a snapshot when the calculation is done, pdf of the webpage or something similar would do, but is this simple to do? I hope this makes sense...

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• Query returning an ascending group number

  - by Dougman

  I have a query like below that has groups (COL1) and that group's values (COL2). select col1, col2 from (select 'A' col1, 1 col2 from dual union all select 'A' col1, 2 col2 from dual union all select 'B' col1, 1 col2 from dual union all select 'B' col1, 2 col2 from dual union all select 'C' col1, 1 col2 from dual union all select 'C' col1, 2 col2 from dual ) order by col1, col2; The output of this query looks like: COL1 COL2 ---- ---- A 1 A 2 B 1 B 2 C 1 C 2 What I need is a query that will return an ordered number increasing for each different group (COL1). It seems like there would be a simple way to accomplish this (maybe with analytics) but for some reason it is escaping me. GRPNUM COL1 COL2 ------ ---- ---- 1 A 1 1 A 2 2 B 1 2 B 2 3 C 1 3 C 2 I am running Oracle 10gR2.

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