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How can I shuffle the lines of a text file on the Unix command line or in a shell script?
I want to shuffle the lines of a text file randomly and create a new file. The file may have several thousands of lines.
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What's the difference between the build and create methods in FactoryGirl?
...Girl introduction delineates the difference between FactoryGirl.build() and FactoryGirl.create() :
3 Answers
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Why is System.Web.Mvc not listed in Add References?
... problem I had. I chose to use the NuGet install method proscribed below, and I will comment there what I did.
– qxotk
Feb 9 '16 at 19:30
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Creating an R dataframe row-by-row
...d like to construct a dataframe row-by-row in R. I've done some searching, and all I came up with is the suggestion to create an empty list, keep a list index scalar, then each time add to the list a single-row dataframe and advance the list index by one. Finally, do.call(rbind,) on the list.
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Connect different Windows User in SQL Server Management Studio (2005 or later)
...to change the Windows Authentication user (as you could in SQL Server 2000 and older)?
9 Answers
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The object 'DF__*' is dependent on column '*' - Changing int to double
...he DBMS (SQL Server).
To see the constraint associated with the table, expand the table attributes in Object explorer, followed by the category Constraints as shown below:
You must remove the constraint before changing the field type.
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What's the role of adapters in Android?
I want to know when , where and how adapters are used in the context of Android.
10 Answers
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Transfer-Encoding: gzip vs. Content-Encoding: gzip
...er requests
regarding that content (e.g., PUT or conditional GET) to be handled
correctly. This is, of course, why performing on-the-fly
content-encoding is a stupid idea, and why I added Transfer-Encoding
to HTTP as the proper way to do on-the-fly encoding without changing
the resource.
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Cannot import the keyfile 'blah.pfx' - error 'The keyfile may be password protected'
...ls\sn.exe. Most likely this location is not on the search path for your standard environment. However, the "Developer Command Prompt" installed by Visual Studio adds additional information that usually includes the correct location.
Based on your post that would look like
sn -i companyname.pfx V...
Creating C macro with ## and __LINE__ (token concatenation with positioning macro)
...m is that when you have a macro replacement, the preprocessor will only expand the macros recursively if neither the stringizing operator # nor the token-pasting operator ## are applied to it. So, you have to use some extra layers of indirection, you can use the token-pasting operator with a recurs...