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Check if a program exists from a Makefile
...= $(foreach exec,$(EXECUTABLES),\
$(if $(shell which $(exec)),some string,$(error "No $(exec) in PATH")))
Note the use of the := assignment operator that is required in order to force immediate evaluation of the RHS expression. If your Makefile changes the PATH, then instead of the last li...
How to hide reference counts in VS2013?
...f I wanted to know what references the member -- I too like not having any extra information crammed into my code, like extra white-space.
In short, uncheck Codelens...
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Using Font Awesome icon for bullet points, with a single list item element
...
You don't need the extra markup: li:before can have a different font-family than the li itself.
– cimmanon
Sep 17 '12 at 23:48
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Debugging Package Manager Console Update-Database Seed Method
...figuration<TContext>();
Database.Delete("TestDatabaseNameOrConnectionString");
var databaseMigrator = new DbMigrator(configuration);
databaseMigrator.Update();
Database.Delete("TestDatabaseNameOrConnectionString");
But be careful not to run this against your development database!
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Is it good style to explicitly return in Ruby?
...r side-effects. So, methods in which the return value is important, get an extra return keyword to draw attention to the return value.
I use the same distinction when calling methods: functional methods get parentheses, procedural methods don't.
And last but not least, I also use that distinction ...
How to find day of week in php in a specific timezone
... database I made. When searching across multiple dates, having that little extra DOW abbreviation is nice.
– user208145
Jun 3 '16 at 2:44
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Why it's not possible to use regex to parse HTML/XML: a formal explanation in layman's terms
... of regular expressions is equivalent to the fact that a test of whether a string matches the pattern can be performed by a finite automaton (one different automaton for each pattern). A finite automaton has no memory - no stack, no heap, no infinite tape to scribble on. All it has is a finite numbe...
How to pass parameters to a view
...
You just need to pass the extra parameter when you construct the MenuView. No need to add the initialize function.
new MenuView({
collection: itemColl,
position: this.getPosition()
})
And then, in MenuView, you can use this.options.position.
U...
class
...). Usually, this is used to define class/module ("static") methods:
class String
class << self
def value_of obj
obj.to_s
end
end
end
String.value_of 42 # => "42"
This can also be written as a shorthand:
class String
def self.value_of obj
obj.to_s
end
end
O...
How to find all the subclasses of a class given its name?
...me". Since Python classes are first-class objects, you don't need to use a string with the class's name in place of the class or anything like that. You can just use the class directly, and you probably should.
If you do have a string representing the name of a class and you want to find that class...