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BACKUP LOG cannot be performed because there is no current database backup

... Originally, I created a database and then restored the backup file to my new empty database: Right click on Databases > Restore Database > General : Device: [the path of back up file] → OK This was wrong. I shouldn't have first created the da...
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What's the difference between CSS classes .foo.bar (without space) and .foo .bar (with space) [dupli

... I think you got a slight misunderstanding what the first one means. .element .symbol {} Means that those CSS settings are applied to any HTML element with the class .symbol that is inside an element with the class .element. <div class="element"> ...
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Using AES encryption in C#

...soft.com/en-us/library/system.security.cryptography.rijndaelmanaged.aspx And just in case you need the sample in a hurry, here it is in all its plagiarized glory: using System; using System.IO; using System.Security.Cryptography; namespace RijndaelManaged_Example { class RijndaelExample ...
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Multithreading: What is the point of more threads than cores?

...nterruption. In reality this isn't the case. Even if you have four cores and four working threads, your process and it threads will constantly be being switched out for other processes and threads. If you are running any modern OS, every process has at least one thread, and many have more. All t...
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How to use RSpec's should_raise with any kind of exception?

...e_method }.should raise_error See the documentation (for RSpec 1 syntax) and RSpec 2 documentation for more. share | improve this answer | follow | ...
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How to populate/instantiate a C# array with a single value?

... i++ copies i, increments i, and returns the original value. ++i just returns the incremented value. Therefore ++i is faster, which can be significant in large loops like we're talking about here. – tenpn Nov 8 '12 ...
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Correct format specifier to print pointer or address?

... The simplest answer, assuming you don't mind the vagaries and variations in format between different platforms, is the standard %p notation. The C99 standard (ISO/IEC 9899:1999) says in §7.19.6.1 ¶8: p The argument shall be a pointer to void. The value of the pointer is con...
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pip installing in global site-packages instead of virtualenv

...r instead of the one in the virtualenv folder. Here's how I set up Python3 and virtualenv on OS X Mavericks (10.9.1): 30 An...
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Negation in Python

...an simply use os.mkdir() to get the result you need, with added exception handling goodness. Example: blues_sounds_path = "/usr/share/sounds/blues" if not os.path.exists(blues_sounds_path): try: os.mkdir(blues_sounds_path) except OSError: # Handle the case where the directo...
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Protected in Interfaces

...but then you can make a fully abstract class, which is all interfaces are, and specify whatever access you want. Granted this loses the benefit of multiple implementations that interfaces get in Java, but honestly establishing a contract that adheres to limitations of some other package would be unt...