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Difference between setUp() and setUpBeforeClass()
When unit testing with JUnit, there are two similar methods, setUp() and setUpBeforeClass() . What is the difference between these methods? Also, what is the difference between tearDown() and tearDownAfterClass() ?
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Is there an advantage to use a Synchronized Method instead of a Synchronized Block?
...so explicitly declares that the method synchronizes on the object instance and is (presumably) thread-safe.
– Scrubbie
Mar 14 '12 at 18:08
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Fastest method of screen capturing on Windows
...to use GDI, but I'm curious whether there are other ways to go about this, and, if there are, which incurs the least overhead? Speed is a priority.
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Which HTML5 tag should I use to mark up an author’s name?
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Both rel="author" and <address> are designed for this exact purpose. Both are supported in HTML5. The spec tells us that rel="author" can be used on <link> <a>, and <area> elements. Google also recommends its usage. Com...
Inherit from a generic base class, apply a constraint, and implement an interface in C#
...tion. I have a generic class which is inheriting from a generic base class and is applying a constraint to one of the type parameters. I also want the derived class to implement an interface. For the life of me, I cannot seem to figure out the correct syntax.
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Escaping single quote in PHP when inserting into MySQL [duplicate]
... know is a bad idea). This means that strings gathered from $_GET, $_POST and $_COOKIES are escaped for you (i.e., "O'Brien" -> "O\'Brien").
Once you store the data, and subsequently retrieve it again, the string you get back from the database will not be automatically escaped for you. You'll g...
Enable binary mode while restoring a Database from an SQL dump
I am extremely new to MySQL and am running it on Windows. I am trying to restore a Database from a dumpfile in MySQL, but I get the following error:
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What __init__ and self do on Python?
I'm learning the Python programming language and I've came across something I don't fully understand.
18 Answers
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What's this =! operator? [duplicate]
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That's two operators, = and !, not one. It might be an obfuscated way of writing
a = !b;
if (a) {
// whatever
}
setting a to the logical inverse of b, and testing whether the result is true (or, equivalently, whether b was false).
Or it migh...
PreparedStatement IN clause alternatives?
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An analysis of the various options available, and the pros and cons of each is available here.
The suggested options are:
Prepare SELECT my_column FROM my_table WHERE search_column = ?, execute it for each value and UNION the results client-side. Requires only one pre...