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Convert text into number in MySQL query
...ithin MySQL query? I have a column with an identifier that consists a name and a number in the format of "name-number". The column has VARCHAR type. I want to sort the rows according the number (rows with the same name) but the column is sorted according do character order, i.e.
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Get full path of the files in PowerShell
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This is true. A caveat: this command actually gets files like *.txt* (-Filter uses CMD wildcards). If this is not what you want then use -Include *.txt.
– Roman Kuzmin
Oct 30 '12 at 6:14
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Select multiple records based on list of Id's with linq
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Contains() will handle that equality check on each id value if you use it as I've written in the answer. You don't have to explicitly write == anywhere when you're trying to compare the items of one set (the array) against another (the datab...
Java Class that implements Map and keeps insertion order?
...or most cases; TreeMap has O(log n) performance for containsKey, get, put, and remove, according to the Javadocs, while LinkedHashMap is O(1) for each.
If your API that only expects a predictable sort order, as opposed to a specific sort order, consider using the interfaces these two classes implem...
How to find the foreach index?
...312,'sasas'); unset($a[3]); foreach ($a as $k=>$v) print "\$k= $k and \$v = $v"; ?>
– Milen A. Radev
Sep 27 '08 at 0:21
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How to write log base(2) in c/c++
... log2 (x) = logy (x) / logy (2)
where y can be anything, which for standard log functions is either 10 or e.
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How to set thousands separator in Java?
How to set thousands separator in Java?
I have String representation of a BigDecimal that I want to format with a thousands separator and return as String.
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Recent file history in Vim?
I would like to access recent files that I had opened and then closed in GVim. I open and close GVim frequently. I would like to access recent files from previous sessions as well.
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How to unescape HTML character entities in Java?
Basically I would like to decode a given Html document, and replace all special chars, such as " " -> " " , ">" -> ">" .
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Arrays vs Vectors: Introductory Similarities and Differences [closed]
What are the differences between an array and a vector in C++? An example of the differences might be included libraries, symbolism, abilities, etc.
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