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What is the best place for storing uploaded images, SQL database or disk file system? [closed]
... database - files are generally much larger than your average row - result-sets containing many large files will consume a lot of memory. Also, if you use a storage engine that employs table-locks for writes (ISAM for example), your files table might be locked often depending on the size / rate of f...
Why can a class not be defined as protected?
Why can we not define a class as protected ?
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SQL WHERE.. IN clause multiple columns
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App Inventor 2 ECharts 拓展：基于 ECharts 强大的个性化数据图表展示 · ...
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Make header and footer files to be included in multiple html pages
I want to create common header and footer pages that are included on several html pages.
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Delete all but the most recent X files in bash
...re a simple way, in a pretty standard UNIX environment with bash, to run a command to delete all but the most recent X files from a directory?
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Thou shalt not inherit from std::vector
Ok, this is really difficult to confess, but I do have a strong temptation at the moment to inherit from std::vector .
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What is an NP-complete in computer science?
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What is NP?
NP is the set of all decision problems (questions with a yes-or-no answer) for which the 'yes'-answers can be verified in polynomial time (O(nk) where n is the problem size, and k is a constant) by a deterministic Turing machine. Polyn...
Optimistic vs. Pessimistic locking
...ither side. Row locking is more accurate but much slower. It's often worth setting your transactions to read-committed or no-lock to avoid deadlocks while reading.
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Stacked Tabs in Bootstrap 3
I am trying to implement left-aligned stacked tabs using the Tab jquery plugin in Bootstrap 3 where tabs are rendered vertically to the left of tab content, rather than on top. When I try the following;
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