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Generate a random double in a range
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This question was asked before Java 7 release but now, there is another possible way using Java 7 (and above) API:
double random = ThreadLocalRandom.current().nextDouble(min, max);
nextDouble will return a pseudorandom double value between the minimum (...
getResourceAsStream returns null
I'm loading a text file from within a package in a compiled JAR of my Java project. The relevant directory structure is as follows:
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How to parameterize @Scheduled(fixedDelay) with Spring 3.0 expression language?
...sk:scheduled ref="someObject" method="readLog"
fixed-rate="#{T(java.lang.Long).valueOf(YourConfigurationBean.stringValue)}"/>
</task:scheduled-tasks>
Again, I haven't tried any of these setups, but I hope it might help you a bit.
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Error: This Android SDK requires Android Developer Toolkit version 22.6.1 or above
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Now at start of ADT i got parseSdkContent failed java.lang.NullPointerException
– Ernest
Mar 24 '14 at 8:06
1
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Remove large .pack file created by git
...ng files from history
Download BFG from their website. Make sure you have java installed, then create a mirror clone and purge history. Make sure to replace YOUR_FILE_NAME with the name of the file you'd like to delete:
git clone --mirror git://example.com/some-big-repo.git
java -jar bfg.jar --del...
What is “rvalue reference for *this”?
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There is an additional use case for the lvalue ref-qualifier form. C++98 has language that allows non-const member functions to be called for class instances that are rvalues. This leads to all kinds of weirdness that is against the very concept of rvalueness and deviates from how built-in type...
Passing enum or object through an intent (the best solution)
...um<T>> Intent.putExtra(victim: T): Intent =
putExtra(T::class.java.name, victim.ordinal)
inline fun <reified T: Enum<T>> Intent.getEnumExtra(): T? =
getIntExtra(T::class.java.name, -1)
.takeUnless { it == -1 }
?.let { T::class.java.enumConstants[it] }
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What is the maven-shade-plugin used for, and why would you want to relocate Java packages?
...* io.kuku.dependencies.com.fasterxml.jackson.@1
Run the following command:
java -jar jarjar-1.4.jar process rules.txt jackson-databind-2.6.4.jar kuku-jackson-databind-2.6.4.jar
Installing the modified JARs to the local repository
In this case I'm installing 3 files located on "c:\my-jars\" fol...
Virtual functions and performance - C++
...l methods are virtual) is the primary language for the iPhone and freakin' Java is the main language for Android, I think it's pretty safe to use C++ virtual functions on our 3 GHz dual-core towers.
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How to get the unique ID of an object which overrides hashCode()?
When a class in Java doesn't override hashCode() ,
printing an instance of this class gives a nice unique number.
10 Answ...