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undefined method `source_index' for Gem:Module (NoMethodError)
...to this problem myself while trying to upgrade an older Rails app from REE 1.8.7 to 1.9.3-p385. Oddly, Ruby 1.9.3-p327 works just fine. What it came down to was ruby-1.9.3-p385 had installed RubyGems version 2.0.2 for me, and 1.9.3-p327 has RubyGems v1.8.23 installed.
Gem.source_index has been depr...
Go: panic: runtime error: invalid memory address or nil pointer dereference
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121
According to the docs for func (*Client) Do:
"An error is returned if caused by client policy...
Keep the window's name fixed in tmux
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158
As shown in a comment to the main post: set-option -g allow-rename off in your .tmux.conf file...
Difference between Select and ConvertAll in C#
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117
Select is a LINQ extension method and works on all IEnumerable<T> objects whereas Conver...
How do I pass the this context to a function?
...rguments to your function and .apply() needs an array.
myfunc.call(obj_a, 1, 2, 3);
myfunc.apply(obj_a, [1, 2, 3]);
Therefore, you can easily write a function hook by using the apply() method. For instance, we want to add a feature to jQuerys .css() method. We can store the original function refe...
Viewing full version tree in git
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81
You can try the following:
gitk --all
You can tell gitk what to display using anything that g...
Lambda Expression and generic method
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117
You can't use a lambda expression for a functional interface, if the method in the functional ...
OpenShift rhc setup using multiple accounts
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181
rhc command line tools come with the global option "-l, --rhlogin LOGIN". You have two options...
How to vertical align an inline-block in a line of text?
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168
code {
background: black;
color: white;
display: inline-block;
vertica...
extra qualification error in C++
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211
This is because you have the following code:
class JSONDeserializer
{
Value JSONDeserializ...