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How do you effectively model inheritance in a database?
...t elements.
So for example:
class Person {
public int ID;
public string FirstName;
public string LastName;
}
class Employee : Person {
public DateTime StartDate;
}
Would result in tables like:
table Person
------------
int id (PK)
string firstname
string lastname
table Employe...
How to convert CSV file to multiline JSON?
... got it to work. The code is a copy of SingleNegationElimination with the extra handling of utf-8. I tried to do it with https://docs.python.org/2.7/library/csv.html but in the end gave up. The below code worked.
import csv, json
csvfile = open('file.csv', 'r')
jsonfile = open('file.json', 'w')
...
Disabling contextual LOB creation as createClob() method threw error
... setting this property to false? Looking at the code, I don't see anything extra being executed when this is false: github.com/hibernate/hibernate-orm/blob/… .
– jpkrohling
Apr 7 '14 at 14:59
...
How to break out of nested loops?
...r), but this may confuse the compiler optimization and produce unnecessary extra code. Another possibility is to make such variables static at the module level, but that is not very beautiful, either. C is unfortunately missing nested functions, as they would solve this problem — unless you are wi...
Access properties file programmatically with Spring?
...code, there is the @Value annotation:
@Value("${settings.some.property}")
String someValue;
To access placeholders From SPEL use this syntax:
#('${settings.some.property}')
To expose configuration to views that have SPEL turned off, one can use this trick:
package com.my.app;
import java.uti...
TypeScript sorting an array
...g anything else, you'll need to convert the comparison into a number.
var stringArray: string[] = ['AB', 'Z', 'A', 'AC'];
var sortedArray: string[] = stringArray.sort((n1,n2) => {
if (n1 > n2) {
return 1;
}
if (n1 < n2) {
return -1;
}
return 0;
});
...
How do you see the entire command history in interactive Python?
...history_length()):
print (readline.get_history_item(i + 1))
note the extra ()
(using shell scripts to parse .python_history or using python to modify the above code is a matter of personal taste and situation imho)
sh...
Return multiple values to a method caller
... that C# 7 has been released, you can use the new included Tuples syntax
(string, string, string) LookupName(long id) // tuple return type
{
... // retrieve first, middle and last from data storage
return (first, middle, last); // tuple literal
}
which could then be used like this:
var n...
Error: Cannot pull with rebase: You have unstaged changes
...
Ah autostash, that saves me an extra two commands. This should be the correct answer IMO.
– Erik Berkun-Drevnig
Nov 23 '17 at 19:29
...
Removing transforms in SVG files
...ath) - this however converts the object to a pure path and removes all the extra-attributes, such as sodipodi:cx, sodipodi:revolutions and so on.
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