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How to get values from IGrouping
...Grouping<TKey, TElement> implements IEnumerable<TElement>, you can use SelectMany to put all the IEnumerables back into one IEnumerable all together:
List<smth> list = new List<smth>();
IEnumerable<IGrouping<int, smth>> groups = list.GroupBy(x => x.id);
IEnume...
Access key value from Web.config in Razor View-MVC3 ASP.NET
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Even if it's nice with real life examples, using minification that way with .net MVC is a shame. Have a look at bundling asp.net/mvc/overview/performance/bundling-and-minification
– Crypth
Dec 19 '14 at 14:16
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Unix shell script to truncate a large file
I am trying to write a Unix script which will truncate/empty a file which is continuously being written/open by an application when it reaches say 3GB of space. I know that the below command would do it :
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How does '20 seconds' work in Scala?
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There are a few things going on.
First, Scala allows dots and parens to be omitted from many method calls, so 20 seconds is equivalent to 20.seconds()*.
Second, an "implicit conversion" is applied. Since 20 is an Int and Int has no seconds method, the compiler sear...
Android: TextView automatically truncate and replace last 3 char of String
If a String is longer than the TextView 's width it automatically wraps onto the next line. I can avoid this by using android:singleLine (deprecated) or by setting android:inputType="text" . What I need now is something that replaces the last 3 characters of my String with " ... ". Since I'm...
Ruby on Rails form_for select field with class
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You can also add prompt option like this.
<%= f.select(:object_field, ['Item 1', 'Item 2'], {include_blank: "Select something"}, { :class => 'my_style_class' }) %>
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How to make a class conform to a protocol in Swift?
...ver an error... You might not need to implement the entire protocol in all cases and might want to build prior to doing so... it's not a big deal, but feels a bit unnecessary.
– Magoo
Mar 31 '16 at 11:52
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Finding a branch point with Git?
...with branches master and A and lots of merge activity between the two. How can I find the commit in my repository when branch A was created based on master?
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How to create directories recursively in ruby?
...se directories exist and need to recursively create them if necessary.
How can one do this in ruby?
6 Answers
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Create module variables in Ruby
...able to be accessed without initializing an instance of the module, but it can be changed (unlike constants in modules).
4 ...