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What is the difference between “long”, “long long”, “long int”, and “long long int” in C++?
I am transitioning from Java to C++ and have some questions about the long data type. In Java, to hold an integer greater than 2 32 , you would simply write long x; . However, in C++, it seems that long is both a data type and a modifier.
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Is there an online name demangler for C++? [closed]
...n the output with the names demangled.
@Update: It now demangles MSVC and Java symbols also.
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Interface/enum listing standard mime-type constants
... am looking among the standard libraries (like apache commons, jax, jboss, javax) for an interface or enum that lists the values of all the standard mime-type (aka content-type).
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JavaFX Application Icon
Is it possible to change the application icon using JavaFX, or does it have to be done using Swing?
17 Answers
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Technically, why are processes in Erlang more efficient than OS threads?
...erating system. That's really what's wrong with programming languages like Java and C++. It's threads aren't in the programming language, threads are something in the operating system – and they inherit all the problems that they have in the operating system. One of the problems is granularity of ...
Convert an array of primitive longs into a List of Longs
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I found it convenient to do using apache commons lang ArrayUtils (JavaDoc, Maven dependency)
import org.apache.commons.lang3.ArrayUtils;
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long[] input = someAPI.getSomeLongs();
Long[] inputBoxed = ArrayUtils.toObject(input);
List<Long> inputAsList = Arrays.asList(inputBoxed);
it...
Choose File Dialog [closed]
...:id="@+id/list"></ListView>
</LinearLayout>
FolderLayout.java
package com.testsample.activity;
public class FolderLayout extends LinearLayout implements OnItemClickListener {
Context context;
IFolderItemListener folderListener;
private List<String> item =...
Why is the JVM stack-based and the Dalvik VM register-based?
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There are a few attributes of a stack-based VM that fit in well with Java's design goals:
A stack-based design makes very few
assumptions about the target
hardware (registers, CPU features),
so it's easy to implement a VM on a
wide variety of hardware.
Since the operands for instructions
are...
Scala Programming for Android
...n some basic Android applications in Scala, nothing too epic. Not being a Java programmer I was suggested to use a "treeshake", I was explained by a friend that this strips out all the unnecessary libraries from the jar files.
I have not documented it, but I found that someone else already has:
h...
Regex to match only letters
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this page suggests only java, .net, perl, jgsoft, XML and XPath regexes support \p{L}. But major omissions: python and ruby (though python has the regex module).
– Philip Potter
Sep 1 '10 at 12:16
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