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How do you effectively model inheritance in a database?
...nd up with this table:
table Person
------------
int id (PK)
int rowtype (0 = "Person", 1 = "Employee")
string firstname
string lastname
datetime startdate
For any rows which are rowtype 0 (Person), the startdate will always be null.
Table-Per-Concrete (TPC)
Each class has its own fully formed ...
Mock functions in Go
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answered Oct 3 '13 at 20:42
weberc2weberc2
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SSH configuration: override the default username [closed]
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edited Dec 28 '19 at 13:02
Peter Mortensen
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Looping through the content of a file in Bash
..., you can open the file using a different file descriptor:
while read -u 10 p; do
...
done 10<peptides.txt
Here, 10 is just an arbitrary number (different from 0, 1, 2).
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Could not insert new outlet connection [duplicate]
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edited Feb 10 '16 at 2:42
Community♦
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answered Apr 24 '13 at 3:05
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What's the recommended way to connect to MySQL from Go?
...p1, p2)
if err != nil { /* error handling */}
items := make([]*SomeStruct, 0, 10)
var ida, idb uint
for rows.Next() {
err = rows.Scan(&ida, &idb)
if err != nil { /* error handling */}
items = append(items, &SomeStruct{ida, idb})
}
Insert :
_, err = con.Exec("insert into t...
How to access java-classes in the default-package?
...icated package and add this "package" directive at its beginning.
Update 2014: bug 6975015, for JDK7 and JDK8, describe an even stricter prohibition against import from unnamed package.
The TypeName must be the canonical name of a class type, interface type, enum type, or annotation type.
The type...
Is there a way to squash a number of commits non-interactively?
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150
Make sure your working tree is clean, then
git reset --soft HEAD~3
git commit -m 'new commit me...
How to print a dictionary line by line in Python?
... cars[x]:
print (y,':',cars[x][y])
output:
A
color : 2
speed : 70
B
color : 3
speed : 60
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How to determine MIME type of file in android?
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edited May 23 '15 at 16:40
Jared Burrows
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