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Why is lock(this) {…} bad?
...possible deadlock situations, and having an unknown number of lock entry points hinders this. For example, any one with a reference to the object can lock on it without the object designer/creator knowing about it. This increases the complexity of multi-threaded solutions and might affect their corr...
What does the “Just” syntax mean in Haskell?
I have scoured the internet for an actual explanation of what this keyword does. Every Haskell tutorial that I have looked at just starts using it randomly and never explains what it does (and I've looked at many).
...
Difference between fold and reduce?
... will have to be a number. To implement the previous sample, you'd have to convert the numbers to string first and then accumulate:
[1 .. 10] |> List.map string
|> List.reduce (fun s1 s2 -> s1 + "," + s2)
...
Why is using a wild card with a Java import statement bad?
... imports is very rare.
Furthermore, most modern IDEs will
allow you to convert the wildcarded
imports to a list of specific imports
with a single command. So even in the
legacy case it’s better to import
wildcards.
Wildcard imports can sometimes cause
name conflicts and ambiguit...
How to close Android application?
...
This is the way I did it:
I just put
Intent intent = new Intent(Main.this, SOMECLASSNAME.class);
Main.this.startActivityForResult(intent, 0);
inside of the method that opens an activity, then inside of the method of SOMECLASSNAME that is designed to close the ...
What is the benefit of using Fragments in Android, rather than Views?
...ts come little late so you must try to think in new way.
Maybe just try to convert your activity to FragmentActivity. Later try to find reusable code and make Fragment from it.
Its usefull but i dont know how right now. But i have some ideas.
This is always problem. Android Team made somethink and...
What is the smallest possible valid PDF?
...
This is an interesting problem. Taking it by the book, you can start off with this:
%PDF-1.0
1 0 obj<</Type/Catalog/Pages 2 0 R>>endobj 2 0 obj<</Type/Pages/Kids[3 0 R]/Count 1>>endobj 3 0 obj<</Type/Page...
Drawing an SVG file on a HTML5 canvas
...thing native that allows you to natively use SVG paths in canvas. You must convert yourself or use a library to do it for you.
I'd suggest looking in to canvg:
http://code.google.com/p/canvg/
http://canvg.googlecode.com/svn/trunk/examples/index.htm
...
How do I install a custom font on an HTML site
...rther-hardening-of-the-bulletproof-syntax
Here are a couple of places to convert fonts for use with @font-face:
http://www.fontsquirrel.com/fontface/generator
http://fontface.codeandmore.com/
http://www.font2web.com/
Also cufon will work if you don't want to use font-face, and it has good doc...
Possible heap pollution via varargs parameter
...clare
public static <T> void foo(List<T>... bar) the compiler converts it to
public static <T> void foo(List<T>[] bar) then to
public static void foo(List[] bar)
The danger then arises that you'll mistakenly assign incorrect values into the list and the compiler will not ...