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How to determine if binary tree is balanced?
... of a tree (where the minimum height is the least number of steps from the root to a leaf, and the maximum is... well, you get the picture). Given that, we can define balance to be:
A tree where the maximum height of any branch is no more than one more than the minimum height of any branch.
(T...
Constructor overload in TypeScript
...
I know this is an old question, but new in 1.4 is union types; use these for all function overloads (including constructors). Example:
class foo {
private _name: any;
constructor(name: string | number) {
this._name = name;
}
}
var f1 = new foo("bar");
va...
What is an idempotent operation?
...does not mean idempotent. Idempotent functions can have side effects. E.g. MySQL's truncate and delete.
– Pacerier
Mar 10 '15 at 23:11
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Add a properties file to IntelliJ's classpath
...k whatever Directory youve created and select "Mark Directory As": "Source Root"
– mschr
Apr 27 '13 at 17:17
10
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How to use QueryPerformanceCounter?
...HighPart and a LowPart. If the system does support 64 bit ints then it's a union between the 2 32 bit ints and a 64 bit int called the QuadPart.
– Ramónster
Nov 15 '09 at 23:28
8
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Search an Oracle database for tables with specific column names?
...S SCHEMA_NAME
,TABLE_NAME
FROM SCHEMA1.COLS
WHERE COLUMN_NAME LIKE '%ID%'
UNION
SELECT DISTINCT
'SCHEMA2' AS SCHEMA_NAME
,TABLE_NAME
FROM SCHEMA2.COLS
WHERE COLUMN_NAME LIKE '%ID%'
share
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impr...
How to define two fields “unique” as couple
... How would you handle this say if volume_number could be null? Mysql won't seem to enforce unique in that case.
– Greg
Jun 27 '11 at 17:28
27
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Can I run multiple programs in a Docker container?
... inside single container. This is an example of a docker container running mysql, apache and wordpress within a single container.
Say, You have one database that is used by a single web application. Then it is probably easier to run both in a single container.
If You have a shared database that is...
PATH issue with pytest 'ImportError: No module named YadaYadaYada'
... when am i cding to a directory? i am running py.test from my root. unless I am mistaken and you mean as pytest walks through my folders
– MattoTodd
Apr 20 '12 at 21:46
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How to return result of a SELECT inside a function in PostgreSQL?
...hink you need a RETURN; before that END;, at least I did - but I'm doing a UNION so I'm not sure if that makes it different.
– yekta
Sep 4 '13 at 15:08
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