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Maven: how to do parallel builds?
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234
Maven 3 (as of beta 1) now supports parallel builds as an experimental feature.
For example,
m...
Looking for files NOT owned by someone
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284
The find(1) utility has primaries that can be negated ("reversed") using the "!" operator. On ...
Count number of occurrences of a pattern in a file (even on same line)
...is 1. Actually -o is ignored here and you could just use grep -c instead.
2.
$ echo afoobarfoobar | grep -o foo
foo
foo
$ echo afoobarfoobar | grep -o foo | wc -l
2
Two matches are found in the line (a{foo}bar{foo}bar) because we explicitly asked to find every occurrence (-o). Every occurence i...
How to sort a HashSet?
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edited Feb 27 '19 at 0:43
MC Emperor
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NOT IN vs NOT EXISTS
...ever. This article shows another one for a query against the AdventureWorks2008 database.
For the NOT IN on a NOT NULL column or the NOT EXISTS against either a nullable or non nullable column it gives the following plan.
When the column changes to NULL-able the NOT IN plan now looks like
It ...
Favorite way to create an new IEnumerable sequence from a single value?
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answered Jun 20 '09 at 4:40
Bryan WattsBryan Watts
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Method call if not null in C#
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answered May 16 '09 at 12:17
Marc Gravell♦Marc Gravell
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