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When to use os.name, sys.platform, or platform.system?
...system():
""" Returns the system/OS name, e.g. 'Linux', 'Windows' or 'Java'.
An empty string is returned if the value cannot be determined.
"""
return uname()[0]
def uname():
# Get some infos from the builtin os.uname API...
try:
system,node,release,version,ma...
Asynctask vs Thread in android
...g-running or CPU-intensive tasks, there are basically two ways to do this: Java threads, and Android's native AsyncTask.
Neither one is necessarily better than the other, but knowing when to use each call is essential to leveraging the system's performance to your benefit.
Use AsyncTask for:
Sim...
Why is an array not assignable to Iterable?
with Java5 we can write:
5 Answers
5
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Would you, at present date, use JBoss or Glassfish (or another) as Java EE server for a new project?
If you started a new Java EE project today which is to be finished in about a year, which application server would you choose and why?
...
What does “|=” mean? (pipe equal operator)
...
@A.R.S.: I can't think of a counter-example in Java (maybe if j is volatile?), but I'll take your word for it.
– David Schwartz
Jan 12 '13 at 17:10
...
When serving JavaScript files, is it better to use the application/javascript or application/x-javas
...
text/javascript is obsolete
application/x-javascript was experimental while deciding to move to…
application/javascript is the current official MIME type for JS
That said, browsers often ignore the content-type sent by the ser...
How to optimize for-comprehensions and loops in Scala?
So Scala is supposed to be as fast as Java. I'm revisiting some Project Euler problems in Scala that I originally tackled in Java. Specifically Problem 5: "What is the smallest positive number that is evenly divisible by all of the numbers from 1 to 20?"
...
Warning - Build path specifies execution environment J2SE-1.4
... Eclipse from your project:
Right-click on your project
Click Properties
Java build path: Libraries; Remove the "JRE System Library[J2SE 1.4]"
Click Add Library -> JRE System Library
Select the new "Execution Environment" or Workspace default JRE
...
What is a 'semantic predicate' in ANTLR?
...se();
}
}
Test it by generating the lexer and parser, compiling all .java files and
running the Main class:
java -cp antlr-3.2.jar org.antlr.Tool Numbers.g
javac -cp antlr-3.2.jar *.java
java -cp .:antlr-3.2.jar Main
When doing so, nothing is printed to the console, which indicates that n...
Can't choose class as main class in IntelliJ
I have a Java project in IntelliJ to which I just added a bunch of files in a nested folder hierarchy. Many of these files are tests and include the main method, so I should be able to run them. However I cannot figure out how to do this.
...