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Javascript what is property in hasOwnProperty?
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>"you're looping through this meta-information key-value pairs too" But when I run for (var key in fruitObject) { ... } js only cycle's through non-prototype keys anyway, am I missing something or did JS runtime change the ...
super() in Java
...acher, etc. But I think you understand the difference compared to Animal -> Dog for instance. A Dog is necessarily an Animal. Parent/child is typically a has a relationship ("A parent has a child") while an Animal/dog is an "is a" relationship. See aioo.be/2016/06/29/a-child-is-not-always-a-paren...
How do I finish the merge after resolving my merge conflicts?
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I got this situation in below scenario -> I merged X branch with Y branch. Then i realised i did something wrong in branch Y, so i fixed that and then I "amend" my changes in Y branch. Because of amend git didn't create new commit. So when I merged X branch with ...
SQL Server - Return value after INSERT
...g
JOIN dbo.Customers AS t
ON g.Id = t.CustomerID
WHERE @@ROWCOUNT > 0
The output results are stored in a temporary table variable, and then selected back to the client. Have to be aware of the gotcha:
inserts can generate more than one row, so the variable can hold more than one row...
Testing Private method using mockito
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There is a fatal assumption made by that statement: >Mocking private methods is a hint that there is something wrong with OO understanding. If I'm testing a public method, and it calls private methods, I would want to mock private method returns. Going by the above assumptio...
SQLite string contains other string query
...from Sqlite 3.7.15.
SELECT *
FROM TABLE
WHERE instr(column, 'cats') > 0;
Also, keep in mind that LIKE is case-insensitive, whereas instr is case-sensitive.
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What RSA key length should I use for my SSL certificates?
... the process of creating a CSR, and I wonder which is arguably the best length for my RSA key.
8 Answers
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SQL how to make null values come last when sorting ascending
...Employees
ORDER BY ISNULL(LEFT(LastName,0),'a'), LastName
Because 'a' > ''.
This even works with dates by coercing to a nullable int and using the method for ints above:
SELECT *
FROM Employees
ORDER BY ISNULL(CONVERT(INT, HireDate)*0, 1), HireDate
(Lets pretend the schema has HireDate.)...
Semantic Diff Utilities [closed]
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"do this" => do something akin to a "graph diff".
– bendin
Mar 7 '09 at 21:00
1
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Python nonlocal statement
... in the source code.
This is called "Lexical Scoping" and is standard for >40 years now.
Python's class members are really in a dictionary called __dict__ and will never be reached by lexical scoping.
If you don't specify nonlocal but do x = 7, it will create a new local variable "x".
If you do...