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How to shrink/purge ibdata1 file in MySQL
... new table (B), import the data into B, submit a query to get what I need, and then I drop B and drop A.
8 Answers
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Can C++ code be valid in both C++03 and C++11 but do different things?
Is it possible for C++ code to conform to both the C++03 standard and the C++11 standard, but do different things depending on under which standard it is being compiled?
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If REST applications are supposed to be stateless, how do you manage sessions?
I'm in need of some clarification. I've been reading about REST, and building RESTful applications. According to wikipedia, REST itself is defined to be Representational State Transfer . I therefore don't understand all this stateless gobbledeygook that everyone keeps spewing.
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Should I use Java's String.format() if performance is important?
We have to build Strings all the time for log output and so on. Over the JDK versions we have learned when to use StringBuffer (many appends, thread safe) and StringBuilder (many appends, non-thread-safe).
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Declaring variables inside loops, good practice or bad practice?
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The compiler knows that the variable scope is limited to inside the loop, and therefore will issue a proper error message if the variable is by mistake referenced elsewhere.
Last but not least, some dedicated optimization can be performed more efficiently by the compiler (most importantly register ...
“Inner exception” (with traceback) in Python?
My background is in C# and I've just recently started programming in Python. When an exception is thrown I typically want to wrap it in another exception that adds more information, while still showing the full stack trace. It's quite easy in C#, but how do I do it in Python?
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Batch file to copy directories recursively
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Look into xcopy, which will recursively copy files and subdirectories.
There are examples, 2/3 down the page. Of particular use is:
To copy all the files and subdirectories (including any empty subdirectories) from drive A to drive B, type:
xcopy a: b: /s /e
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Replace only some groups with Regex
...er if will use them or not :). In my opinion, that solution is much better and cleaner than using lookahead and lookbehinds.
– Oscar Mederos
May 15 '11 at 4:04
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How can I tell if a library was compiled with -g?
I have some compiled libraries on x86 Linux and I want to quickly determine whether they were compiled with debugging symbols.
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Recommendations of Python REST (web services) framework? [closed]
...use on the serverside to write your own RESTful APIs? Preferably with pros and cons.
16 Answers
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