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Does the 'mutable' keyword have any purpose other than allowing the variable to be modified by a con
...ods that are marked as const.
The mutable exception makes it so you can now write or set data members that are marked mutable. That's the only externally visible difference.
Internally those const methods that are visible to you can also write to data members that are marked mutable. Essentiall...
Common programming mistakes for Clojure developers to avoid [closed]
...e to worry about the concrete implementation of a Clojure map, you should know that functions which grow a map - like assoc or conj - can take a PersistentArrayMap and return a PersistentHashMap, which performs faster for larger maps.
Using a function as the recursion point rather than a loop to ...
What does addChildViewController actually do?
...ldViewControllers relationships. Here are some of the side effects that I know:
Forwarding appearance methods to child view controllers
Forwarding rotation methods
(Possibly) forwarding memory warnings
Avoiding inconsistent VC hierarchies, especially in transitionFromViewController:toViewControlle...
Why use static_cast(x) instead of (int)x?
...n the other hand is always dangerous. You tell the compiler: "trust me: I know this doesn't look like a foo (this looks as if it isn't mutable), but it is".
The first problem is that it's almost impossible to tell which one will occur in a C-style cast without looking at large and disperse pieces ...
Non-Singleton Services in AngularJS
...exible services could also easily manage state.
I don't have time right now, but if it will be helpful I can put together a simple Plunker later to demonstrate.
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Why in Java 8 split sometimes removes empty strings at start of result array?
...n't match zero-length string, you don't need to do anything.
If you don't know whether the regex can match zero-length string or not, do both the actions in step 1.
(?!\A) checks that the string does not end at the beginning of the string, which implies that the match is an empty match at the begi...
How to generate the “create table” sql statement for an existing table in postgreSQL
....generate_create_table_statement(character varying)
OWNER TO postgres;
Now you can, for example, make the following query
SELECT * FROM generate_create_table_statement('.*');
which results like this:
CREATE TABLE public.answer ( ...
What's the meaning of interface{}?
...rything has a Type. You can define a new type, let's call it T. Let's say now our Type T has 3 methods: A, B, C.
The set of methods specified for a type is called the "interface type". Let's call it in our example: T_interface. Is equal to T_interface = (A, B, C)
You can create an "interface type" ...
Color in git-log
... Shahar (upvoted), git 1.8.3 offers one more option:
git log –format now sports a %C(auto) token that tells Git to use color when resolving %d (decoration), %h (short commit object name), etc. for terminal output.
This Atlassian blog post comments that this feature is part of several others ...
What exactly is Heroku?
...arted learning Ruby on rails and I was wondering what Heroku really is? I know that its a cloud that helps us to avoid using servers? When do we actually use it?
...