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When to use Amazon Cloudfront or S3
...d when you use Amazon S3.
However, after a file expires, CloudFront will fetch it again from your live site (at cost). So cloud front is best for frequently accessed files, and less so for infrequently accessed ones.
One way to set the file expiry for apache is in .htaccess. For example
<files...
How would you implement an LRU cache in Java?
Please don't say EHCache or OSCache, etc. Assume for purposes of this question that I want to implement my own using just the SDK (learning by doing). Given that the cache will be used in a multithreaded environment, which datastructures would you use? I've already implemented one using LinkedHashM...
AngularJS-Twig conflict with double curly braces
...erpolation by Twig so you have to be more careful with the contents, especially if you are using expressions.
If you still hate seeing all those curly braces, you can also create a simple macro to automate the process:
{% macro curly(contents) %}
{{ '{{' ~ contents ~ '}}' }}
{% endmacro %}
...
How to easily resize/optimize an image size with iOS?
...its original size, I'm planning on resizing the image to something a bit smaller to save on space/performance.
18 Answers
...
Memoization in Haskell?
...tion (fix)
Let's define f, but make it use 'open recursion' rather than call itself directly.
f :: (Int -> Int) -> Int -> Int
f mf 0 = 0
f mf n = max n $ mf (n `div` 2) +
mf (n `div` 3) +
mf (n `div` 4)
You can get an unmemoized f by using fix f
This...
Override setter with arc
...piles down to (ARMv7):
.align 2
.code 16
.thumb_func "-[Article setImageURLString:]"
"-[Article setImageURLString:]":
push {r7, lr}
movw r1, :lower16:(_OBJC_IVAR_$_Article._imageURLString-(LPC7_0+4))
mov r7, sp
movt r1, :up...
If unit testing is so great, why aren't more companies doing it? [closed]
...ests are green, the product works as intended (except for usability issues etc). My experience is that the total development time is almost not affected at all. You spend more time on things, and get them right the first time around rather than after time spent on bug fixing.
–...
catch exception that is thrown in different thread
...ata;
public void Worker()
{
...lengthy action, infinite loop, etc...
SharedData = "whatever";
...lengthy action...
return;
}
}
class Program
{
static void Main()
{
MyThread m = new MyThread();
Thread WorkerThread = new Thread(m.Worker);
Work...
How can I get a resource content from a static context?
...d named mContext and create a static method that returns this field, e.g. getContext():
This is how it should look:
public class App extends Application{
private static Context mContext;
@Override
public void onCreate() {
super.onCreate();
mContext = this;
}
...
What is compiler, linker, loader?
...telligent than an assembler. It checks all kinds of limits, ranges, errors etc. But its program run time is more and occupies a larger part of the memory. It has slow speed. Because a compiler goes through the entire program and then translates the entire program into machine codes. If a compiler ru...