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Rails: where does the infamous “current_user” come from?
...his only come from Devise? and do I have to manually define it myself even if I use Devise? Are there prerequisites to using current_user (like the existence of sessions, users, etc)?
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What is the bower (and npm) version syntax?
Bower enables me to specify version requirements for packages using the following syntax:
5 Answers
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How to do a recursive find/replace of a string with awk or sed?
...pletely skips over all directories named .git. You could easily expand it, if you use SVN or have other folders you want to preserve -- just match against more names. It's roughly equivalent to -not -path .git, but more efficient, because rather than checking every file in the directory, it skips it...
How to remove line breaks (no characters!) from the string?
...n/", "", $yourString );
Even though the \n characters are not appearing, if you are getting carriage returns there is an invisible character there. The preg replace should grab and fix those.
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How to get Visual Studio to open Resolve Conflicts window after a TFS Get
When I do a Get Latest in Visual Studio, if there are conflicts, there is nothing that is displayed to me to make it obvious. Invariably I think everything is OK, do a build, and often the build works.
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Getting “The JSON request was too large to be deserialized”
...et:MaxJsonDeserializerMembers" value="150000" />
</appSettings>
If those options are not working you could try creating a custom json value provider factory using JSON.NET as specified in this thread.
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Get local href value from anchor (a) tag
...JavaScript function that uses the href value but directs it to a slightly different place than it would normally go. The tag looks like
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Why is the Android test runner reporting “Empty test suite”?
...odules ("Projects" in Eclipse). The Unit test module has its own AndroidManifest.xml, which I have pasted at the bottom. I am trying to run an ActivityUnitTestCase , since the tests will be dependent upon the Context -object.
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Can someone explain collection_select to me in clear, simple terms?
...ll be: <select name="post[author_id]">...
# then you should specify some collection or array of rows.
# It can be Author.where(..).order(..) or something like that.
# In your example it is:
Author.all,
# then you should specify methods for generating options
:id, # ...
Best way to randomize an array with .NET
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If you're on .NET 3.5, you can use the following IEnumerable coolness:
Random rnd=new Random();
string[] MyRandomArray = MyArray.OrderBy(x => rnd.Next()).ToArray();
Edit: and here's the corresponding VB.NET code:
Dim ...