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Android Fragment handle back button press [duplicate]

I have some fragments in my activity 25 Answers 25 ...
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Adding a column to a data.frame

I have the data.frame below. I want to add a column that classifies my data according to column 1 ( h_no ) in that way that the first series of h_no 1,2,3,4 is class 1, the second series of h_no (1 to 7) is class 2 etc. such as indicated in the last column. ...
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What is a simple command line program or script to backup SQL server databases?

...s\Microsoft SQL Server\90\Tools\Binn\osql.exe" -E -Q "BACKUP DATABASE mydatabase TO DISK='C:\tmp\db.bak' WITH FORMAT" You'll also want to read the documentation on BACKUP and RESTORE and general procedures. share ...
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Using JSON.NET as the default JSON serializer in ASP.NET MVC 3 - is it possible?

... The code refers to MySpecialContractResolver, which isn't defined. This question helps with that (and was very related to the problem I had to solve): stackoverflow.com/questions/6700053/… – Elliveny Feb...
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Convert PEM to PPK file format

...ction will allow the user to create multiple custom keys by selecting the "My Account/Key Management" option. Once the key has been created the user will be required to select the desired SSH Key during the “Create Server” process for Linux. Create and Use SSH Keys Create keys Navigate to ...
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Update a submodule to the latest commit

...our/submodule and commit it: git commit -m "referenced newer version of my submodule" When you push up your changes, make sure you push up the change in the submodule first and then push the reference change in the outer repo. This way people that update will always be able to successfully run ...
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How to encrypt/decrypt data in php?

...INARY. The output value, like the IV, is binary; to store those values in MySQL, consider using BINARY or VARBINARY columns. If this is not an option, you can also convert the binary data into a textual representation using base64_encode() or bin2hex(), doing so requires between 33% to 100% more st...
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How can I rename a database column in a Ruby on Rails migration?

... In my opinion, in this case, it's better to use rake db:rollback, then edit your migration and again run rake db:migrate. However, if you have data in the column you don't want to lose, then use rename_column. ...
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Count character occurrences in a string in C++

...e to write out the for loop everytime, but can just use count_underscores("my_string_") in the rest of your code. Using advanced C++ algorithms is certainly possible here, but I think it's overkill. share | ...
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How can I create and style a div using JavaScript?

...Schultheiss sorry, I accidentally commented on the wrong post. I'll delete my comment – Ronan Aug 26 at 3:42 add a comment  |  ...