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Should unit tests be written for getter and setters?
...or handling isn't covered by unit tests it will never be covered. Do you really want to ship a product that contains code that has never ever been run?
– Anders Abel
Jun 1 '11 at 19:10
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Why does my 'git branch' have no master?
... branch name). So if the repository you cloned had a HEAD pointed to, say, foo, then your clone will just have a foo branch.
The remote you cloned from might still have a master branch (you could check with git ls-remote origin master), but you wouldn't have created a local version of that branch b...
What is this crazy C++11 syntax ==> struct : bar {} foo {};?
...First, we'll take a bog-standard abstract UDT (User-Defined Type):
struct foo { virtual void f() = 0; }; // normal abstract type
foo obj;
// error: cannot declare variable 'obj' to be of abstract type 'foo'
Let's also recall that we can instantiate the UDT at the same time that we define it:
str...
Twig ternary operator, Shorthand if-then-else
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You can use shorthand syntax as of Twig 1.12.0
{{ foo ?: 'no' }} is the same as {{ foo ? foo : 'no' }}
{{ foo ? 'yes' }} is the same as {{ foo ? 'yes' : '' }}
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impro...
ReactJS state vs prop
...ls so much as it cares about values and how they flow through your app. Ideally, your post model would be stored in a single component at the root. You then create child components that each consume parts of the model.
You can pass callbacks down to the children that need to modify your data, and c...
Is main() really start of a C++ program?
...
No, C++ does a lot of things to "set the environment" prior to the call of main; however, main is the official start of the "user specified" part of the C++ program.
Some of the environment setup is not controllable (like the initial code to set up std::cout; however, some of the environment...
How can I check if a command exists in a shell script? [duplicate]
... script I would like to check if a certain command exists, and if not, install the executable. How would I check if this command exists?
...
Add a new element to an array without specifying the index in Bash
...[@]}]}
h
Here's how to get the last index:
$ end=(${!array[@]}) # put all the indices in an array
$ end=${end[@]: -1} # get the last one
$ echo $end
42
That illustrates how to get the last element of an array. You'll often see this:
$ echo ${array[${#array[@]} - 1]}
g
As you can see, be...
Can you pass parameters to an AngularJS controller on creation?
...d;
$scope.name = name;
//Based on passed argument you can make a call to resource
//and initialize more objects
//$resource.getMeBond(007)
};
});
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...
Block Declaration Syntax List
...at this is distinct from "Blocks as Parameters"; in this instance, you're calling a method that wants a block argument with an anonymous block. If you have already declared a block variable, it is sufficient to pass the variable name as the argument.
[someObject doSomethingWithBlock: ^return_type (...