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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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Resize image proportionally with CSS? [duplicate]
Is there a way to resize (scale down) images proportionally using ONLY CSS?
18 Answers
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How to add a downloaded .box file to Vagrant?
...hing in the Vagrantfile. I am just using the Vagrantfile that got automatically created upon vagrant init. When i cat Vagrantfile, I don't see anything called a password or pem or anything
– Rakib
Sep 15 '15 at 12:31
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Creating an empty list in Python
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However, in practice, this initialization is most likely an extremely small part of your program, so worrying about this is probably wrong-headed.
Readability is very subjective. I prefer [], but some very knowledgable people, like Alex Martelli, prefer list() because it is pronounceable.
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How to break out of jQuery each Loop
...k a $.each or $(selector).each loop, you have to return false in the loop callback.
Returning true skips to the next iteration, equivalent to a continue in a normal loop.
$.each(array, function(key, value) {
if(value === "foo") {
return false; // breaks
}
});
// or
$(selector)....
How to properly use unit-testing's assertRaises() with NoneType objects? [duplicate]
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The problem is the TypeError gets raised 'before' assertRaises gets called since the arguments to assertRaises need to be evaluated before the method can be called. You need to pass a lambda expression like:
self.assertRaises(TypeError, lambda: self.testListNone[:1])
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Android Studio rendering problems
I'm using Android Studio 0.2.3 and when opened an activity layout normally, the preview should appear on the right side, so that I can switch between Text and Design mode, which should again show the preview of the layout.
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How can one see the structure of a table in SQLite? [duplicate]
...m_todo_index ON alarms(todo);
Note also that SQLite saves the schema and all information about tables in the database itself, in a magic table named sqlite_master, and it's also possible to execute normal SQL queries against that table. For example, the documentation link above shows how to derive...
“loop:” in Java code. What is this, and why does it compile?
...s the OP might not be familiar with the goto/label concept, that it's generally regarded as a bad practice, except in very particular situations (for instance, for shortcutting multiple nested loops).
– haylem
Sep 29 '10 at 13:21
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How do I fix a NoSuchMethodError?
...en running it.
Look at the stack trace ... If the exception appears when calling a method on an object in a library, you are most likely using separate versions of the library when compiling and running. Make sure you have the right version both places.
If the exception appears when calling a meth...