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SQL Query Where Field DOES NOT Contain $x
...OM y);
-- predefined list
SELECT a FROM x WHERE x.b NOT IN (1, 2, 3, 6);
If you are searching a string, go for the LIKE operator (but this will be slow):
-- Finds all rows where a does not contain "text"
SELECT * FROM x WHERE x.a NOT LIKE '%text%';
If you restrict it so that the string you are ...
String concatenation does not work in SQLite
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field1 || field2 returns null if one of the fields is null. One might want to do ifnull(field1,'')||ifnull(field2,''). That will give you a response if one or both fields are null. Then you get to figure out what you want to do if both were null.
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Which iOS app version/build number(s) MUST be incremented upon App Store release?
...umber you used (for that same version).
You can re-use Build Numbers in different release trains, but you cannot re-use Build Numbers within the same release train. For macOS apps, you cannot re-use build numbers in any release train.
Based on the checklist, the following (Version, Build Nu...
How to sort an array of associative arrays by value of a given key in PHP?
... It shouldn't require any change to work with numeric keys. If you're hitting a bug or weird behaviour related to numeric keys, post it as a new question.
– Josh Davis
Jan 5 '12 at 0:22
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Canvas is stretched when using CSS but normal with “width” / “height” properties
...size of the element's bitmap: width and height. These attributes, when specified, must have values that are valid non-negative integers. The rules for parsing non-negative integers must be used to obtain their numeric values. If an attribute is missing, or if parsing its value returns an error, then...
XSD: What is the difference between xs:integer and xs:int?
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The difference is the following:
xs:int is a signed 32-bit integer.
xs:integer is an integer unbounded value.
See for details https://web.archive.org/web/20151117073716/http://www.w3schools.com/schema/schema_dtypes_numeric.asp
Fo...
JPA and Hibernate - Criteria vs. JPQL or HQL
... to express queries in Hibernate, but sometimes Criteria Queries are more difficult to understand/build than HQL.
21 Answe...
How to discover number of *logical* cores on Mac OS X?
...lanagan how many physical cores does the machine have and what chip is it? If it's a core i7 with 2 physical cores for example, it will show as 4 because the chip supports hyper-threading and presents itself to the OS as if it has 4 addressable cores.
– jkp
Sep...
Extract substring using regexp in plain bash
...perl :
$ echo "US/Central - 10:26 PM (CST)" |
perl -lne 'print $& if /\-\s+\K\d{2}:\d{2}/'
and last one using awk :
$ echo "US/Central - 10:26 PM (CST)" |
awk '{for (i=0; i<=NF; i++){if ($i == "-"){print $(i+1);exit}}}'
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JavaScript: empty array, [ ] evaluates to true in conditional structures. Why is this?
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If you test the expression [] == false it evaluates to true.
– m.rufca
Apr 24 '18 at 18:06
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