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How does Haskell printf work?
...ase, we have no extra arguments, so we need to be able to instantiate r to IO (). For this, we have the instance
instance PrintfType (IO ())
Next, in order to support a variable number of arguments, we need to use recursion at the instance level. In particular we need an instance so that if r is ...
What is the best CSS Framework and are they worth the effort?
...s.
The 'grid layout' stuff in particular goes back to the bad old days of mixing your presentation into your markup. 'div class="span-24"' is no better than a table, you'll have to go back in there and change the markup to affect the layout. And all the frameworks I've seen are based around fixed-p...
How do I write JSON data to a file?
...
You forgot the actual JSON part - data is a dictionary and not yet JSON-encoded. Write it like this for maximum compatibility (Python 2 and 3):
import json
with open('data.json', 'w') as f:
json.dump(data, f)
On a modern system (i.e. Python 3 and UTF-8 support), you...
How can you represent inheritance in a database?
...this model also comes with a few disadvantages:
The common attributes are mixed with the subtype specific attributes, and there is no easy way to identify them. The database will not know either.
When defining the tables, you would have to repeat the common attributes for each subtype table. That'...
Not able to type in textfield in iphone simulator using Mac Keyboard?
I'm working on a basic iOS app which supports both portrait and landscape modes. When the iPhone simulator keyboard is open in landscape and I'm switching the app to portrait mode I'm unable to type anything in any text field using my Mac physical keyboard.
...
What are the calling conventions for UNIX & Linux system calls (and user-space functions) on i386 an
... stack. There are no call-preserved vector registers. (A function with a mix of FP and integer arguments can have more than 8 total register arguments.)
Variadic functions (like printf) always need %al = the number of FP register args.
There are rules for when to pack structs into registers (rdx...
iOS: Multi-line UILabel in Auto Layout
I'm having trouble trying to achieve some very basic layout behavior with Auto Layout. My view controller looks like this in IB:
...
Set a default font for whole iOS app?
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It seems to be possible in iOS 5 using the UIAppearance proxy.
[[UILabel appearance] setFont:[UIFont fontWithName:@"YourFontName" size:17.0]];
That will set the font to be whatever your custom font is for all UILabels in your app. You'll need to re...
How do I create a file and write to it in Java?
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Note that each of the code samples below may throw IOException. Try/catch/finally blocks have been omitted for brevity. See this tutorial for information about exception handling.
Note that each of the code samples below will overwrite the file if it already exists
Creating...
How to bundle a native library and a JNI library inside a JAR?
The library in question is Tokyo Cabinet .
7 Answers
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