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What are the rules for JavaScript's automatic semicolon insertion (ASI)?
...ents are affected by the automatic semicolon insertion (also known as ASI for brevity):
empty statement
var statement
expression statement
do-while statement
continue statement
break statement
return statement
throw statement
The concrete rules of ASI, are described in the specification §11.9.1 R...
Reading output of a command into an array in Bash
... read the output of a command in my script into an array. The command is, for example:
3 Answers
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How to get controls in WPF to fill available space?
...
Each control deriving from Panel implements distinct layout logic performed in Measure() and Arrange():
Measure() determines the size of the panel and each of its children
Arrange() determines the rectangle where each control renders
The last child of the DockPanel fills the remaining space...
Is \d not supported by grep's basic expressions?
...s (iirc) POSIX regex, and \d is pcre. You can either pass -P to gnu grep, for perl-like regexps, or use [[:digit:]] instead of \d.
daenyth@Bragi ~ $ echo 1 | grep -P '\d'
1
daenyth@Bragi ~ $ echo 1 | grep '[[:digit:]]'
1
s...
Adding two numbers concatenates them instead of calculating the sum
I am adding two numbers, but I don't get a correct value.
22 Answers
22
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What are “named tuples” in Python?
...tuple instances can be referenced using object-like variable dereferencing or the standard tuple syntax. They can be used similarly to struct or other common record types, except that they are immutable. They were added in Python 2.6 and Python 3.0, although there is a recipe for implementation in...
Html.BeginForm and adding properties
How would I go about adding enctype="multipart/form-data" to a form that is generated by using <% Html.BeginForm(); %> ?
...
How to take emulator screenshots using Eclipse?
I need to take screenshots of an android application running on an emulator in Eclipse Galileo.
6 Answers
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Undo scaffolding in Rails
...eady run the migrations generated by the scaffold command, you have to perform a rollback first.
rake db:rollback
You can create scaffolding using:
rails generate scaffold MyFoo
(or similar), and you can destroy/undo it using
rails destroy scaffold MyFoo
That will delete all the files cre...
How to declare a structure in a header that is to be used by multiple files in c?
...a type is used in a file (i.e. func.c file), it must be visible. The very worst way to do it is copy paste it in each source file needed it.
The right way is putting it in an header file, and include this header file whenever needed.
shall we open a new header file and declare the structure there an...