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Looping in a spiral
...This will provide us with a general solution of computing n iterations without using any conditionals.
let x = 0
let y = 0
//RIGHT, UP
while x < 1
print(x, y)
x = x + 1
while y < 1
print(x, y)
y = y + 1
//LEFT, LEFT, DOWN, DOWN
while x > -1
print(x, y)
x = x - 1
while y > ...
OAuth with Verification in .NET
...th parameter values and make a simple method call. the manager class sends out the request and parses the response for you.
Ok, then what? Once you get the request token, you pop the web browser UI in which the user will explicitly grant approval. If you do it right, you'll pop this in an embedd...
Position an element relative to its container
...ing is the way to go. Here's a quick run down:
position: relative will layout an element relative to itself. In other words, the elements is laid out in normal flow, then it is removed from normal flow and offset by whatever values you have specified (top, right, bottom, left). It's important to no...
Rails respond_with: how does it work?
I've been reading here and there about how cool the respond_with method is in Rails 3. But I can't even find a reference to it in either the Rails APIs or by searching the source. Can anyone either explain to me how it works (what options you can use, etc) or point me to the place it's actually im...
How to save an activity state using save instance state?
...anceState) before adding your values to the Bundle, or they will get wiped out on that call (Droid X Android 2.2).
– jkschneider
Apr 13 '11 at 18:59
124
...
Mutable vs immutable objects
...
Well, there are a few aspects to this.
Mutable objects without reference-identity can cause bugs at odd times. For example, consider a Person bean with a value-based equals method:
Map<Person, String> map = ...
Person p = new Person();
map.put(p, "Hey, there!");
p.setName("D...
What is the purpose of `text=auto` in `.gitattributes` file?
...alized line endings.
This variable can be set to input, in which case no output conversion is performed.
If you think this all as clear as mud, you're not alone.
Here's what * text=auto does in my words: when someone commits a file, Git guesses whether that file is a text file or not, and if it...
What are the rules for the “…” token in the context of variadic templates?
...t;
func(5,vs)... func(5,v1), ..., func(5,vn)
Expansion proceeds inwards outwards. When expanding two lists in lock-step, they have to have the same size.
More examples:
gun(A<Ts...>::hun(vs)...);
Expands all Ts in the template argument list of A and then the function hun gets expanded w...
Does List guarantee insertion order?
...tive quote/reference we could get from Microsoft or the C# specification about this? @aolszowka's quote definitely seems to suggest that it does retain insertion order, but technically the List could re-order the collection any time after an item was added and that statement would still be valid. I ...
How do I specify multiple targets in my podfile for my Xcode project?
...Sail' do
shared_pods
end
target 'Sail-iOS' do
shared_pods
end
OUTDATED Pre CocoaPods 1.0 answer:
Yes there is a better way! Check out link_with where you can do link_with 'MyApp', 'MyOtherApp' to specify multiple targets.
I use this with unit tests like link_with 'App', 'App-Tests' (b...