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• Ruby on Rails: How do I remove a gem path? (I have two for some reason)

  - by sjsc

  I'm looking to remove a gem path (/home/sjsc/.ge/ruby/1.8). For some reason, I have two, and I can't seem to install gems correctly. When I do "gem env", here's what I get: RubyGems Environment: - RUBYGEMS VERSION: 1.3.6 - RUBY VERSION: 1.8.7 (2009-06-12 patchlevel 174) [i486-linux] - INSTALLATION DIRECTORY: /usr/lib/ruby/gems/1.8 - RUBY EXECUTABLE: /usr/bin/ruby1.8 - EXECUTABLE DIRECTORY: /usr/bin - RUBYGEMS PLATFORMS: - ruby - x86-linux - GEM PATHS: - /usr/lib/ruby/gems/1.8 - /home/sjsc/.gem/ruby/1.8 Any idea on how to remove the "/home/sjsc/.gem/ruby/1.8" from the "GEM PATHS"?

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• CSS: How to get two DIVs side by side with automatic height, to the height of their container?

  - by Jake Petroules

  I am designing a website for a client, and I am trying to get two side-by-side DIVs to adjust to 100% of their container. I've got the side-by-side done, but I can't get the right DIV to be the same height as the left one. You can view the problem here: http://campusmomlaundry.petroules.com/ The "challenges" and "benefits" DIVs should be side-by-side and the same height, without manually specifying the height. How can I do this?

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• Merging two Python dictionaries, summing the values of matching elements?

  - by jamieb

  Given two dictionaries, like so: q1_sales = {'Bob': 21000, 'Charles': 18000, 'John': 35000, 'Sam': 14000} q2_sales = {'Bob': 22000, 'John': 33000, 'Sam': 23000} What's the most pythonic way to produce this? total_sales = {'Bob': 43000, 'Charles': 18000, 'John': 68000, 'Sam': 37000} Thanks!

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• What webservices are available to obtain miles between two addresses?

  - by burak ozdogan

  Hi, I need to find a way to get miles between two locations by passing the post addresses. If you consider the simplicity of implementation, efficiency and stability, which webservice(s) you can suggest? I would appreciate if you know any possible comparison list of relevant web-services. Thanks

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• Is there an easy way to drag and drop a UITableViewCell between two UITableViews?

  - by Steve Simitzis

  As the title says. Reordering within a single UITableView is trivial, but the screen of the iPad is large enough to display multiple UITableViews at the same time. So it seems like there should be a way to drag and drop a UITableViewCell between two UITableViews. Any thoughts on the best approach?

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• How can two eclipse plugin use the same preferences store?

  - by St.Shadow

  I have two plugins, say com.site.plugin.core and com.site.plugin.ui. I'd like to separate core part from UI part, so at plugin com.site.plugin.ui I created Preferences page where I defined some preferences, which should be used by com.site.plugin.core. I check article at Eclipse site, but it is quite outdated, and linked bug also do not provide much info. So is it possible to do this using standard Eclipse mechanism, or I need use direct low-level API via package org.eclipse.core.runtime.preferences?

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• How to sent and recieve sms between two simulator in blackberry?

  - by Kumar

  Can anyone tell me how to write a program to sent and recieve sms between two blackberry simulator using blackberry jde?If u have any idea pls provide me some code snippet. regards, s.kumaran.

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• Create a listing of changed files/directories/etc. using git between two tags

  - by dan

  I need to generate a changelog of sorts between two Tags within a project controlled using git. Specifically the android source code. This list should include any files/directories/etc which have been edited, moved, renamed, deleted, created. Any help would be great. and if you have a way to do this over the entire android source at once... even better. Thanks

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• how to join two datatable datas into one datatable to show in one gridview in asp.net

  - by Ranjana

  how to join two datatable datas into one datatable to show in one gridview i.e in 1 datatable i have username and pwd and in another datatable i have that user details. how to show all these in one datatable to get those values display in gridview(asp.net) any idea????

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• How can I extract text from between two delimiters on a line in bash?

  - by syker

  What is a regex I can write in bash for parsing a line and extracting text that can be found between two | (so that would be ex: 1: |hey| 2: |boy|) and keeping those words in some sort of array?

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• How do you calculate the number of weeks between two dates?

  - by Kip Birgen

  How do you calculate the number of weeks between two dates? Declare @StartDate as DateTime = "01 Jan 2009"; Declare @EndDate as DateTime = "01 June 2009"; @StartDate and @EndDate

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• How can I perform a two-legged oauth to use YQL with the ruby oauth gem?

  - by user334987

  I'm trying to perform a two-legged oauth in ruby to use YQL. There is an example in javascript which does what I want: http://paul.donnelly.org/demos/oauth.htm However, the ruby oauth gem API is different, and I can't figure out how to make the request. Any ideas?

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• How do you chain together two Asynchronous Operations with the Reactive Framework?

  - by Josh

  All I really want to do is complete two async operations, one right after the other. E.g. Download website X. Once that's completed, download website Y.

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• How do I refactor these two C# functions to abstrtact their logic from the specific class properties

  - by ObligatoryMoniker

  I have two functions whose underlying logic is the same but in one case it sets one property value on a class and in another case it sets a different one. How can I rewrite the following two functions to abstract away as much of the algorithm as possible so that I can make changes in logic in a single place? SetBillingAddress private void SetBillingAddress(OrderAddress newBillingAddress) { BasketHelper basketHelper = new BasketHelper(SiteConstants.BasketName); OrderAddress oldBillingAddress = basketHelper.Basket.Addresses[basketHelper.BillingAddressID]; bool NewBillingAddressIsNotOldBillingAddress = ((oldBillingAddress == null) || (newBillingAddress.OrderAddressId != oldBillingAddress.OrderAddressId)); bool BillingAddressHasBeenPreviouslySet = (oldBillingAddress != null); bool BillingAddressIsNotSameAsShippingAddress = (basketHelper.ShippingAddressID != basketHelper.BillingAddressID); bool NewBillingAddressIsNotShippingAddress = (newBillingAddress.OrderAddressId != basketHelper.ShippingAddressID); if (NewBillingAddressIsNotOldBillingAddress && BillingAddressHasBeenPreviouslySet && BillingAddressIsNotSameAsShippingAddress) { basketHelper.Basket.Addresses.Remove(oldBillingAddress); } if (NewBillingAddressIsNotOldBillingAddress && NewBillingAddressIsNotShippingAddress) { basketHelper.Basket.Addresses.Add(newBillingAddress); } basketHelper.BillingAddressID = newBillingAddress.OrderAddressId; basketHelper.Basket.Save(); } And here is the second one: SetShippingAddress private void SetBillingAddress(OrderAddress newShippingAddress) { BasketHelper basketHelper = new BasketHelper(SiteConstants.BasketName); OrderAddress oldShippingAddress = basketHelper.Basket.Addresses[basketHelper.ShippingAddressID]; bool NewShippingAddressIsNotOldShippingAddress = ((oldShippingAddress == null) || (newShippingAddress.OrderAddressId != oldShippingAddress.OrderAddressId)); bool ShippingAddressHasBeenPreviouslySet = (oldShippingAddress != null); bool ShippingAddressIsNotSameAsBillingAddress = (basketHelper.ShippingAddressID != basketHelper.BillingAddressID); bool NewShippingAddressIsNotBillingAddress = (newShippingAddress.OrderAddressId != basketHelper.BillingAddressID); if (NewShippingAddressIsNotOldShippingAddress && ShippingAddressHasBeenPreviouslySet && ShippingAddressIsNotSameAsBillingAddress) { basketHelper.Basket.Addresses.Remove(oldShippingAddress); } if (NewShippingAddressIsNotOldShippingAddress && NewShippingAddressIsNotBillingAddress) { basketHelper.Basket.Addresses.Add(newShippingAddress); } basketHelper.ShippingAddressID = newShippingAddress.OrderAddressId; basketHelper.Basket.Save(); } My initial thought was that if I could pass a class's property by refernce then I could rewrite the previous functions into something like private void SetPurchaseOrderAddress(OrderAddress newAddress, ref String CurrentChangingAddressIDProperty) and then call this function and pass in either basketHelper.BillingAddressID or basketHelper.ShippingAddressID as CurrentChangingAddressIDProperty but since I can't pass C# properties by reference I am not sure what to do with this code to be able to reuse the logic in both places. Thanks for any insight you can give me.

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• After overloading the operator==, how to compare if two variables points at the same object?

  - by Hao

  Overloading the comparison operator, how to compare if the two variables points to the same object(i.e. not value) public static bool operator ==(Landscape a, Landscape b) { return a.Width == b.Width && a.Height == b.Height; } public static bool operator !=(Landscape a, Landscape b) { return !(a.Width == b.Width && a.Height == b.Height); }

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• How do you compare the "similarity" between two dendrograms (in R) ?

  - by Tal Galili

  I have two dendrograms which I wish to compare to each other in order to find out how "similar" they are. But I don't know of any method to do so (let alone a code to implement it, say, in R). Any leads ? Thanks, Tal

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• what is the difference between these two foreach loops ?

  - by Gaurav Sharma

  I have seen in cakephp that foreach loop is used like this foreach($tags as $tag) : \\code here endforeach; and I used to write this style of foreach foreach($tags as $tag) { //code here } what is the difference between these two foeach loops and which one is better and makes more sense to implement ? Thanks

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• c programme.. how to delete spaces between two words.

  - by vikram

  how to delete space between two words using c programme... should I use ascii or just compair with ''? eg. Input- "Hello World" Output-"HelloWorld". Thanks, Vikram

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• How to tell if two exe's are the same code-wise?

  - by yumcious

  Is there a way to detect whether two EXE's (compiled from VS.Net 2008 for C++/MFC) do not have any code-level changes between them i.e. for purposes of knowing that there have been no statement changes. This is for compliance purposes when my vendor ships me an exe, ostensibly with no changes made to the code since the last time we tested it. Is there a tool to check that this is so? Cheers

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• Write a maximum of two instructions to clear, set and complement some bits in the AL register

  - by Nick

  You are required to write a maximum of two instructions in assembly to do the following: Clear bits 0 and 7 of register AL, i.e. make them 0 Set bits 3 and 4 of register AL, i.e. make them 1. Complement bits 1 and 5 of register AL. Keep all other bits in the register AL as is without changing their values.

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• How can I make the text of a UIBarButtonItem wrap to two lines?

  - by bio18

  Some of the titles of view controllers in my UINavigationController are quite long, which makes the back button in the navigation bar of the next view controller in the hierarchy miss out some of the text, with a "..." instead. How could I make the text of the back button wrap onto two lines, as with "Now Playing" in the navigation bar of iPod.app? Thanks!

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• Is there a way to keep two videos synchronized in a webpage without plugins?

  - by Jared

  Is there a way to use two HTML5 video tags on a page and keep the videos synchronized? Meaning that if the first video is at 15.2 seconds then the second video is at 15.2 seconds? I've looked around and found SMIL but it looks like that only works in IE. I also tried to implement something of my own with jQuery and jMediaElement but there appears to be a lot of cases where the videos can get out of sync. Has this been done before?

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• How to create file association with two program and making one default if both present?

  - by Bijay

  I have to create file association for an extension with two programmes and if both programmes A and B are present then choose program A to open the file. If only B is present then choose program B to open the file. If you can give the wix code or else you can provide me with registry details.

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• How to get relative path from two absolute paths in linux shell?

  - by Zebooka

  We have two paths. First one is directory, second either dir or file. /a/b/c and /a/d/e.txt Relative path from first path to second will be: ../../d/e.txt How to get it in linux terminal? PS: For those who ask "what is use case?" - creating lots of relative symlinks (just as an example)

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• can the length of two xml lists be defined as being required to be equal?

  - by Bryan Dunphy

  Assuming you have two lists defined in an xml schema, call them A and B, is there a way to say A must be one or more items and B must be the same length as A?

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