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What do you call the -> operator in Ruby?
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In Ruby Programming Language ("Methods, Procs, Lambdas, and Closures"), a lambda defined using -> is called lambda literal.
succ = ->(x){ x+1 }
succ.call(2)
The code is equivalent to the following one.
succ = lambda { |x| x + 1 }
succ.call(2)
Informally, I have heard...
Realistic usage of the C99 'restrict' keyword?
I was browsing through some documentation and questions/answers and saw it mentioned. I read a brief description, stating that it would be basically a promise from the programmer that the pointer won't be used to point somewhere else.
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Javascript AES encryption [closed]
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This is now quite useful and feature rich code.google.com/p/crypto-js
– David Kierans
Apr 25 '12 at 4:21
2
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What does the Java assert keyword do, and when should it be used?
What are some real life examples to understand the key role of assertions?
18 Answers
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What is a bus error?
What does the "bus error" message mean, and how does it differ from a segfault?
15 Answers
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Simple Getter/Setter comments
What convention do you use to comment getters and setters? This is something I've wondered for quite some time, for instance:
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How to get the list of all installed color schemes in Vim?
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:colorscheme then Space followed by CTRLd
The short version of the command is :colo so you can use it in the two previous commands, instead of using the "long form".
If you want to find and preview more themes, there are various websites like Vim colors
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Scale Image to fill ImageView width and keep aspect ratio
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Without using any custom classes or libraries:
<ImageView
android:id="@id/img"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:adjustViewBounds="true"
android:scaleType="fitCenter" />
scaleType="fitCenter" (default when omitted)
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Branch descriptions in Git
...ig_name;
const char *value;
};
--edit-description::
Open an editor and edit the text to explain what the branch is for, to be used by various other commands (e.g. request-pull).
Note that it won't work for a detached HEAD branch.
That description is used by the script request-pull: see co...
How do I make an attributed string using Swift?
...rs. The "g" needs to be attached to the numbers so that as the number size and position changes, the "g" "moves" with the numbers. I'm sure this problem has been solved before so a link in the right direction would be helpful as I've googled my little heart out.
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