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• Find Lines with N occurrences of a char

  - by Martín Marconcini

  I have a txt file that I’m trying to import as flat file into SQL2008 that looks like this: “123456”,”some text” “543210”,”some more text” “111223”,”other text” etc… The file has more than 300.000 rows and the text is large (usually 200-500 chars), so scanning the file by hand is very time consuming and prone to error. Other similar (and even…

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• How can I open a Shell inside a Vim Window?

  - by Martín Fixman

  I can open a shell by using the :shell command in Vim, however I can't edit a file and at the same time use the shell. Is there any way to split Vim in many Windows (or tabs), and have a shell opened in one of them?

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• How to verify object creation in Django ?

  - by Martin

  So.. this never crossed my head before but now I just can't figure out how to do that !! I want to verify that the object I created was really created, and return True or False according to that : obj = object(name='plop') try: obj.save() return True except ???: return False Any idea ? Cheers, -M

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• how to send text to a process in a shell script?

  - by Martin

  So I have a Linux program that runs in a while(true) loop, which waits for user input, process it and print result to stdout. I want to write a shell script that open this program, feed it lines from a txt file, one line at a time and save the program output for each line to a file. So I want to know if there is any command for: - open a…

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• Where to put the star in C and C++ pointer notation

  - by Martin Kristiansen

  For some time the following has been annoing me, where should I put the star in my pointer notation. int *var; // 1 and int* var; // 2 obviously do the same thing, and both notations are correct, but I find that most literature and code I look at use the 1th notation. wouldn't it be more 'correct' to use the 2th notation, separating…

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• test existence of a var in WPF datagrid

  - by martin

  i want to retrieve data from WPF datagrid depending on certain condition. But the problem is, i am not sure if the data exist. How to check it?

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• Retrieve data from database every few seconds?

  - by martin

  i need to retrieve data from database every few seconds, display them. i use C#. When i press one button, the data should be retrieved every few seconds,the data is then displayed in a form, any idea how to do it?

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• global counter in application: bad practice?

  - by Martin

  In my C++ application I sometimes create different output files for troubleshooting purposes. Each file is created at a different step of our pipelined operation and it's hard to know file came before which other one (file timestamps all show the same date). I'm thinking of adding a global counter in my application, and a function (with…

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• Writing module to get video/audio from HDMI

  - by Martin

  I would like to write a small module that can check if anything is connected to my computer's HDMI input, and if so write a frame of video to bitmap once in a while. Can anyone point me to resources regarding grabbing audio/video from HDMI on windows?

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• Rails forms: render different actions based on validation

  - by Martin Petrov

  Is it possible to render different actions based on what fails at validation? For example - I have one field in the form - email addres. It is validated like this: validates :email, :presence => true, :uniqueness => { :case_sensitive => false } In the controller: def create @user =…

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• Help with java threads or executors: Executing several MySQL selects, inserts and updates simmultane

  - by Martin

  Hi. I'm writing an application to analyse a MySQL database, and I need to execute several DMLs simmultaneously; for example: // In ResultSet rsA: Select * from A; rsA.beforeFirst(); while (rsA.next()) { id = rsA.getInt("id"); // Retrieve data from table B: Select * from B where B.Id=" + id; // Crunch some…

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• Best method to cache objects in PHP?

  - by Martin Bean

  Hi, I'm currently developing a large site that handles user registrations. A social networking website for argument's sake. However, I've noticed a lag in page loads and deciphered that it is the creation of objects on pages that's slowing things down. For example, I have a Member object, that when instantiated…

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• C# Winforms Textbox - Can I keep the selection when it loses focus?

  - by Martin

  I would like to have a regular textbox on my form, where the selected text is still highlighted even if you use another control, e.g. push a button. Does anyone know a way to achieve this (without using a RichTextBox which is not suitable for what I am doing). Thanks in Advance

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• Ruby on Rails in SpringSource tool suite?

  - by Martin Klosi

  I have been using Grails for some time now, but in school they are making us use Ruby on Rails. I have been trying to find an extension for ruby on rails for STS as there is for Grails, but I have failed. The only thing that comes close is a plugin so i can use ruby code in my Grails app using JRuby. I just want…

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• How can I get all the versions of a given file?

  - by Martin

  I would like to obtain all the versions of a given file in my SVN repository. For instance, let's say that the file ThirdPartyAssembly.dll was checked 3 times, is there a command that will get me all the version on my HD (e.g. ThirdPartyAssembly.dll.v1, ThirdPartyAssembly.dll.v2, ThirdPartyAssembly.dll.v3, etc.)?…

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• Dynamic search result when typing

  - by Martin

  I'm using asp.net and want to filter a search result everytime the user enter letters in a textbox. For exmaple this website do exactly what I want: http://www.prisjakt.nu/ (try searching in the right top corner). I have tried just putting my textbox and the gridview with the search result in an updatepanel, it's…

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• Windows services on EC2?

  - by Martin

  Can you install and run your own windows services on ec2? Does it have MSMQ?

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• Notify the user on Facebook at some time

  - by martin.malek

  Let's say I have a Facebook application which is monitoring friends birthdays. I want to notify the user that her friend will have a birthday in next two days. The first part is only cron which will check the dates, but is there any way how to notify the user? I didn't found anything for this. It was there a year…

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• regex. How can I match the value between '+' and ':' ?

  - by martin

  I have this string: sometext +[value]:- I would like to match the value(1-3 numerical characters) (with regex, javascript) sometext may contain a +sign if i'm unlucky so I don't wanna end up with matching some +text +value:- I sat up last night banging my head against this, so I would be really glad if…

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• Swap function for a char*

  - by Martin

  I have the simple function below which swap two characters of an array of characters (s). However, I am getting a "Unhandled exception at 0x01151cd7 in Bla.exe: 0xC0000005: Access violation writing location 0x011557a4." error. The two indexes (left and right) are within the limit of the array. What am I doing…

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• Help me with query string parameters (Rails)

  - by Martin Petrov

  Hi, I'm creating a newsletter. Each email contains a link for editing your subscription: <%= edit_user_url(@user, :secret => @user.created_at.to_i) %> :secret = @user.created_at.to_i prevents users from editing each others profiles. def edit @user = user.find(params[:id]) if params[:secret]…

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• is there a 'git find'?

  - by Martin DeMello

  Is there a git find analogue of git grep, i.e., something that will find a filename by pattern in the tree? I've gone through a lot of git documentation and not found this, but I'm having a hard time believing it doesn't exist somewhere.

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• jquery small issue I need help with

  - by Martin

  Hi I need help with a bit of jquery, I am renaming dropdown lists when a checkbox next to them is clicked. I want to get the selected option value of the dropdown called 'Prev' in the code below and assign to the checkbox that is clicked. I hope it makes sense. Thanks $('.mutuallyexclusive').live("click",…

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• detect when a webpage is updated

  - by Martin Trigaux

  Hello, There is a website (very simple) which will be updated soon and I'd like to receive an alert at the moment it changes (like a sound, a popup,...) I guess I should send request every x minutes and compare the result with what's now but I don't know how to do that. I don't really care about the…

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• WhatsApp - writing a clone (iphone, android, wp7)

  - by Martin

  I am trying to create a instant messaging app very much like whatsapp I suppose. My resources I have available to me are Server development in C# (REST Service, dedicated server app etc) And currently an android development platform using eclipse (iphone, wp7 to follow later). I have done some…

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