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Global access to Rake DSL methods is deprecated
...found this in Stack Overflow question Ruby on Rails and Rake problems: uninitialized constant Rake::DSL. It refers to a @DHH tweet.
Put the following in your Gemfile
gem "rake", "0.8.7"
You may see something like
rake aborted!
You have already activated Rake 0.9.1 ...
I still had a copy of R...
How to merge a transparent png image with another image using PIL
I have a transparent png image "foo.png"
and I've opened another image with
7 Answers
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Configuring user and password with Git Bash
I am using Git Bash on Windows 7. We are using GitHub as our repository origin.
8 Answers
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How can you iterate over the elements of an std::tuple?
How can I iterate over a tuple (using C++11)? I tried the following:
20 Answers
20
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moving changed files to another branch for check-in
This often happens to me: I write some code, go to check in my changes, and then realize I'm not in the proper branch to check in those changes. However I can't switch to another branch without my changes reverting. Is there a way to move changes to another branch to be checked in there?
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Rails 4: List of available datatypes
...nAdapters/SchemaStatements.html#method-i-add_column
These are the same as with Rails 3.
If you use PostgreSQL, you can also take advantage of these:
:hstore
:json
:jsonb
:array
:cidr_address
:ip_address
:mac_address
They are stored as strings if you run your app with a not-PostgreSQL database.
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Where are my postgres *.conf files?
...ct to the database locally, I see system DB postgres but I can't configure it because I can't find config files. Searched through entire hard drive and found only samples like pg_hba.conf.sample
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How to trigger event in JavaScript?
I have attached an event to a text box using addEventListener . It works fine. My problem arose when I wanted to trigger the event programmatically from another function.
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How to replace list item in best way
...ambda to find the index in the List and use this index to replace the list item.
List<string> listOfStrings = new List<string> {"abc", "123", "ghi"};
listOfStrings[listOfStrings.FindIndex(ind=>ind.Equals("123"))] = "def";
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What does “1 line adds whitespace errors” mean when applying a patch?
I'm editing some markdown files of a cloned remote repository, and wanted to test creating and applying patches from one branch to another. However, every time I make any change at all, I get the following message during git apply :
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