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What are .dex files in Android?
...res of the Dalvik Virtual Machine (the workhorse under the Android system) is that it does not use Java bytecode. Instead, a homegrown format called DEX was introduced and not even the bytecode instructions are the same as Java bytecode instructions.
Compiled Android application code file.
Andro...
Array to Hash Ruby
...ay so here's the deal, I've been googling for ages to find a solution to this and while there are many out there, they don't seem to do the job I'm looking for.
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How to export a Vagrant virtual machine to transfer it
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You have two ways to do this, I'll call it dirty way and clean way:
1. The dirty way
Create a box from your current virtual environment, using vagrant package command:
http://docs.vagrantup.com/v2/cli/package.html
Then copy the box to the other pc...
Why does Iterable not provide stream() and parallelStream() methods?
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This was not an omission; there was detailed discussion on the EG list in June of 2013.
The definitive discussion of the Expert Group is rooted at this thread.
While it seemed "obvious" (even to the Expert Group, initially)...
How can I create an object and add attributes to it?
...but if you don't want to make a "bunch class", a very simple one already exists in Python -- all functions can have arbitrary attributes (including lambda functions). So, the following works:
obj = someobject
obj.a = lambda: None
setattr(obj.a, 'somefield', 'somevalue')
Whether the loss of clari...
Test if a command outputs an empty string
...ut
Commands don’t return values – they output them. You can capture this output by using command substitution; e.g. $(ls -A). You can test for a non-empty string in Bash like this:
if [[ $(ls -A) ]]; then
echo "there are files"
else
echo "no files found"
fi
Note that I've used -A rat...
How do I terminate a thread in C++11?
...arget thread, without a intervening join() nor detach() on that object. This will have the same effect as option 1.
You could design an exception which has a destructor which throws an exception. And then arrange for the target thread to throw this exception when it is to be forcefully terminated....
What is a “feature flag”?
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A 'feature flag' (or Feature Toggle) is the ability to turn features (sub-sections) of your application on/off at easily:
perhaps via a re-deploy, or
some internal page where pages/features can be toggled live.
I guess the example there was that it's handy ...
Why does setTimeout() “break” for large millisecond delay values?
I came across some unexpected behavior when passing a large millisecond value to setTimeout() . For instance,
7 Answers
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How do I measure time elapsed in Java? [duplicate]
I want to have something like this:
15 Answers
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