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How to create ENUM type in SQLite?
... Why not use CHECK() constraint to allow only three possible strings?
– mateusza
Jun 19 '13 at 23:31
1
...
Adding up BigDecimals using Streams
...mport java.util.LinkedList;
public class Demo
{
public static void main(String[] args)
{
LinkedList<Invoice> invoices = new LinkedList<>();
invoices.add(new Invoice("C1", "I-001", BigDecimal.valueOf(.1), BigDecimal.valueOf(10)));
invoices.add(new Invoice("C2", "I-002", B...
Use of def, val, and var in scala
... ^
When the class is defined like:
scala> class Person(val name: String, var age: Int)
defined class Person
and then instantiated with:
scala> def personA = new Person("Tim", 25)
personA: Person
an immutable label is created for that specific instance of Person (i.e. 'personA'). Wh...
Is the order of elements in a JSON list preserved?
...unordered collection of zero or more name/value
pairs, where a name is a string and a value is a string, number,
boolean, null, object, or array.
An array is an ordered sequence of zero or more values.
The terms "object" and "array" come from the conventions of
JavaScript.
Some imp...
Regular expression to match a dot
... test.this content, then split is not what you need. split will split your string around the test.this. For example:
>>> re.split(r"\b\w+\.\w+@", s)
['blah blah blah ', 'gmail.com blah blah']
You can use re.findall:
>>> re.findall(r'\w+[.]\w+(?=@)', s) # look ahead
['test.t...
Python pandas Filtering out nan from a data selection of a column of strings
...403%2fpython-pandas-filtering-out-nan-from-a-data-selection-of-a-column-of-strings%23new-answer', 'question_page');
}
);
Post as a guest
Name
...
How to list files in a directory in a C program?
...aybe I can use exec function to run find command but I want file name as a string to send client program. How can I do this?
...
How do I decode a URL parameter using C#?
...
string decodedUrl = Uri.UnescapeDataString(url)
or
string decodedUrl = HttpUtility.UrlDecode(url)
Url is not fully decoded with one call. To fully decode you can call one of this methods in a loop:
private static string...
Why is using the JavaScript eval function a bad idea?
...ght be able to agree with you. Jeff pointed out the key: "eval of the same string multiple times can avoid parse overhead". As it is, you are just wrong; #3 holds true for many scenarios.
– Prestaul
Feb 13 '12 at 17:44
...
Java unchecked: unchecked generic array creation for varargs parameter
...the implicit creation of an array at the calling site. So
List<List<String>> combinations =
Utils.createCombinations(cocNumbers, vatNumbers, ibans);
is actually
List<List<String>> combinations =
Utils.createCombinations(new List<String>[]{cocNumbers, vatNumb...