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How to fix the uninitialized constant Rake::DSL problem on Heroku?
...ake", "0.8.7"
2) Take out a hack that I had previously added to Rakefile based on Stack Overflow question Ruby on Rails and Rake problems: uninitialized constant Rake::DSL:
So, my Rakefile is now back to being the standard Rakefile for my app:
# Add your own tasks in files placed in lib/tasks...
Good MapReduce examples [closed]
...when the complexity of the query increases.
Map Reduce provides a cluster based implementation where data is processed in a distributed manner
Here is a wikipedia article explaining what map-reduce is all about
Another good example is Finding Friends via map reduce can be a powerful example to ...
Scala Programming for Android
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There is also an plugin for the Scala-based builder sbt: sbt-android-plugin.
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Disable Automatic Reference Counting for Some Files
... be disabled in HEADER files. Clang will NOT compile the interface/header based upon the compilation of it's implementation/method file. Therefore, Header files must be compatible with both ARC and non-ARC in a mixed compilation. I view this as a bug in the compiler.
– carmi...
Converting an int to a binary string representation in Java?
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There is also the java.lang.Integer.toString(int i, int base) method, which would be more appropriate if your code might one day handle bases other than 2 (binary).
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How to multiply duration by integer?
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It works because constants have an adaptive type, based on how they are used. See this blog post by Rob Pike that explains it in detail: blog.golang.org/constants
– mna
Aug 28 '15 at 14:12
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Checking if a string is empty or null in Java [duplicate]
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import com.google.common.base
if(!Strings.isNullOrEmpty(String str)) {
// Do your stuff here
}
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How to set a Header field on POST a form?
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Yes you can serialize files into Base64 strings, perhaps very clumsy for huge files since Base64 can be quite bulky. But so is every serialization method.
– Felype
Jul 31 '15 at 17:13
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How do I apply a perspective transform to a UIView?
...xample of this (with code) can be found here, where I've implemented touch-based rotation and scaling on a couple of CALayers, based on an example by Bill Dudney. The newest version of the program, at the very bottom of the page, implements this kind of perspective operation. The code should be re...
Mock functions in Go
...ader(pageGetterFunc PageGetter) {
// ...
content := pageGetterFunc(BASE_URL)
// ...
}
Main:
func get_page(url string) string { /* ... */ }
func main() {
downloader(get_page)
}
Test:
func mock_get_page(url string) string {
// mock your 'get_page()' function here
}
func TestDow...