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Convert InputStream to byte array in Java
...a byte[].
InputStream is;
byte[] bytes = IOUtils.toByteArray(is);
Internally this creates a ByteArrayOutputStream and copies the bytes to the output, then calls toByteArray(). It handles large files by copying the bytes in blocks of 4KiB.
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final keyword in method parameters [duplicate]
...them to methods. This means the final doesn't mean any difference for the calling code. This only means that inside the method the variables can not be reassigned. (note that if you have a final object, you can still change the attributes of the object).
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Singleton pattern in nodejs - is it needed?
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This has basically to do with nodejs caching. Plain and simple.
https://nodejs.org/api/modules.html#modules_caching
(v 6.3.1)
Caching
Modules are cached after the first time they are loaded. This means
(among other things) tha...
How to get HTML 5 input type=“date” working in Firefox and/or IE 10
...nd it odd that input type="date" is still not supported in Firefox after all of this time. In fact, I don't think they added in much (if any) of the HTML 5 new types on an input element. Not surprised that it is not supported in IE10. So, my question is...
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What scalability problems have you encountered using a NoSQL data store? [closed]
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I've switched a small subproject from MySQL to CouchDB, to be able to handle the load. The result was amazing.
About 2 years ago, we've released a self written software on http://www.ubuntuusers.de/ (which is probably the biggest German Linux...
findViewById in Fragment
...e fragment (the one returned by onCreateView() method). With this you can call findViewById().
@Override
public void onViewCreated(View view, @Nullable Bundle savedInstanceState) {
ImageView imageView = (ImageView) getView().findViewById(R.id.foo);
// or (ImageView) view.findViewById(R.id....
Opening port 80 EC2 Amazon web services [closed]
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This is actually really easy:
Go to the "Network & Security" -> Security Group settings in the left hand navigation
Find the Security Group that your instance is apart of
Click on Inbound Rules
Use the drop down and add HTTP (...
In JavaScript can I make a “click” event fire programmatically for a file input element?
... make a click event fire on an <input type="file"> tag programmatically.
28 Answers
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Swift performSelector:withObject:afterDelay: is unavailable [duplicate]
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Swift is statically typed so the performSelector: methods are to fall by the wayside.
Instead, use GCD to dispatch a suitable block to the relevant queue — in this case it'll presumably be the main queue since it looks like you're doing ...
Show diff between commits
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Try
git diff k73ud^..dj374
to make sure to include all changes of k73ud in the resulting diff.
git diff compares two endpoints (instead of a commit range).
Since the OP want to see the changes introduced by k73ud, he/she needs to difference between the first parent commit of...