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invalid multibyte char (US-ASCII) with Rails and Ruby 1.9
...should go on top of the script.
#!/bin/env ruby
# encoding: utf-8
It worked for me like a charm.
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Using printf with a non-null terminated string
Suppose you have a string which is NOT null terminated and you know its exact size, so how can you print that string with printf in C? I recall such a method but I can not find out now...
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When to use PNG or JPG in iPhone development?
...equire very little extra CPU energy to display. However, large PNGs may take longer to read from storage than more compressed image formats, and thus be slower to display.
JPG's are smaller to store, but lossy (amount depends on compression level), and to display them requires a much more complica...
Dynamic constant assignment
...ou are assigning a new value to the constant. This is not allowed, as it makes the constant non-constant; even though the contents of the string are the same (for the moment, anyhow), the actual string object itself is different each time the method is called. For example:
def foo
p "bar".object_...
What is the difference between instanceof and Class.isAssignableFrom(…)?
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When using instanceof, you need to know the class of B at compile time. When using isAssignableFrom() it can be dynamic and change during runtime.
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How to read/write from/to file using Go?
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Let's make a Go 1-compatible list of all the ways to read and write files in Go.
Because file API has changed recently and most other answers don't work with Go 1. They also miss bufio which is important IMHO.
In the following exam...
How to make a floated div 100% height of its parent?
...ght to be based on its content, and have #inner base its height on that, make both elements absolutely positioned.
More details can be found in the spec for the css height property, but essentially, #inner must ignore #outer height if #outer's height is auto, unless #outer is positioned absolutely...
Objective-C: Where to remove observer for NSNotification?
... receive notifications. That is the exact right moment. Unfortunately, not knowing the answers to any of the questions mentioned above, I cannot even guess, when that moment would be.
You can always safely removeObserver: an object multiple times (and all but the very first call with a given observ...
Download the Android SDK components for offline install
Is it possible to download the Android SDK components for offline install without using the SDK Manager?
The problem is I am behind a firewall which I have no control over and both sites download URLs seem to be blocked (throws a connection refused exception)
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Exception thrown in NSOrderedSet generated accessors
...e of my own with different names. I got the same error in both cases.
Looks like a bug in Apple's autogenerated code.
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