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When is std::weak_ptr useful?
...tr when the object pointed is deleted/not pointed by any other pointers anymore?
– user1434698
Aug 19 '12 at 23:16
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Difference between Bridge pattern and Adapter pattern
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downvoted, could you use a more abstract code listing? the example is too specific and is confusing.
– user9903
Mar 16 '10 at 22:52
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How to get value from form field in django framework?
...d on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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Can't escape the backslash with regex?
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This can become even more convoluted when searching for backslashes along with patterns that require meta characters. Take for example, finding a backslash followed by a digit. Now you'd be staring at the following expression trying to figure out...
Why does using an Underscore character in a LIKE filter give me all the results?
...', 'abcc', 'xabcd' and so on.
The '%' character is used for matching 0 or more number of characters. That means, if you search by columnName LIKE '%abc', it will give you result with having 'abc', 'aabc', 'xyzabc' and so on, but no 'xyzabcd', 'xabcdd' and any other string that does not end with 'ab...
Difference between InvariantCulture and Ordinal string comparison
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What is the difference among col-lg-*, col-md-* and col-sm-* in Bootstrap?
... this demo and you'll see the grid scaling effects.
This article explains more about how the Bootstrap grid
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How to get an object's property's value by property name?
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What does Redis do when it runs out of memory?
...gure Redis with a maxmemory parameter, which prevents Redis from using any more memory (the default).
Newer versions of Redis have various policies when maxmemory is reached:
volatile-lru remove a key among the
ones with an expire set, trying to
remove keys not recently used.
volatile-ttl remove ...