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MySQL Like multiple values
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The (a,b,c) list only works with in. For like, you have to use or:
WHERE interests LIKE '%sports%' OR interests LIKE '%pub%'
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Multiple lines of input in
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Ólafur WaageÓlafur Waage
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GCC -fPIC option
...ode is not dependent on being located at a specific address in order to work.
E.g. jumps would be generated as relative rather than absolute.
Pseudo-assembly:
PIC: This would work whether the code was at address 100 or 1000
100: COMPARE REG1, REG2
101: JUMP_IF_EQUAL CURRENT+10
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111: NOP
Non...
String isNullOrEmpty in Java? [duplicate]
This surely has been asked before, but Googling doesn't find it . Is there, in any of the standard java libraries (including apache/google/...), a static isNullOrEmpty() method for Strings ?
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String vs. StringBuilder
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Yes, the performance difference is significant. See the KB article "How to improve string concatenation performance in Visual C#".
I have always tried to code for clarity first, and then optimize for performance later. That's much easier than doing it the other way around! Howev...
How do I rename a repository on GitHub?
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If you are the only person working on the project, it's not a big problem, because you only have to do #2.
Let's say your username is someuser and your project is called someproject.
Then your project's URL will be1
git@github.com:someuser/someproject....
How to use NULL or empty string in SQL
I would like to know how to use NULL and an empty string at the same time in a WHERE clause in SQL Server. I need to find records that have either null values or an empty string. Thanks.
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Hash function that produces short hashes?
Is there a way of encryption that can take a string of any length and produce a sub-10-character hash? I want to produce reasonably unique ID's but based on message contents, rather than randomly.
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Case insensitive searching in Oracle
The default behaviour of LIKE and the other comparison operators, = etc is case-sensitive.
6 Answers
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Quickly find whether a value is present in a C array?
...ugh an array of size 256 (preferably 1024, but 256 is the minimum) and check if a value matches the arrays contents. A bool will be set to true is this is the case.
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