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PostgreSQL return result set as JSON array?
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or combine json_agg with a cast:
SELECT json_agg(t)::jsonb FROM t
My testing suggests that aggregating them into an array first is a little faster. I suspect that this is because the cast has to parse the entire JSON result.
9.2
9.2 does not have the json_agg or to_json functions, so you nee...
Working Soap client example
...avax.xml.soap.*;
public class SOAPClientSAAJ {
// SAAJ - SOAP Client Testing
public static void main(String args[]) {
/*
The example below requests from the Web Service at:
http://www.webservicex.net/uszip.asmx?op=GetInfoByCity
To call other W...
Is using Random and OrderBy a good shuffle algorithm?
...ick of hearing from me on this, but I ran into a slight problem in my unit tests that you might want to be aware of. There's a quirk with ElementAt that makes it invoke the extension each time, giving unreliable results. In my tests I'm materializing the result before checking to avoid this.
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A Regex that will never be matched by anything
...a simple literal that I "know" won't appear in my input turns out to be fastest, in Python. With a 5MB input string, and using this in a sub() operation, (?!x)x takes 21% longer, (?!()) is 16%, and ($^) 6% longer. May be significant in some cases, though not in mine.
– Peter ...
How to loop through an array containing objects and access their properties
...ed as a pure function.
2. Check if any of the elements in an array pass a test
const people = [
{name: 'John', age: 23},
{name: 'Andrew', age: 3},
{name: 'Peter', age: 8},
{name: 'Hanna', age: 14},
{name: 'Adam', age: 37}];
const anyAdult = people.some(person => person....
Get query string parameters url values with jQuery / Javascript (querystring)
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Oops! ohh man, IE is not supported !! I have just tested on it. While Chrome, FF, Safari has no issue.
– Saurin
Jan 11 '18 at 13:49
1
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Behaviour of final static method
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public class Test { final static public void main(String... srik) { System.out.println("In main method"); ts(); } public static void ts() { Child c=new Child(); c.ts(); System.out.println("Test ts"); } } public cla...
Do I encode ampersands in ?
...resent data or a delimiter.
Example unescaped:
https://example.com/?user=test&password&te&st&goto=https://google.com
Example, fully legit URL
https://example.com/?user=test&password&te%26st&goto=https%3A%2F%2Fgoogle.com
Example fully legit URL in value of HTML attr...
Checking if a list is empty with LINQ
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I just wrote up a quick test, try this:
IEnumerable<Object> myList = new List<Object>();
Stopwatch watch = new Stopwatch();
int x;
watch.Start();
for (var i = 0; i <= 1000000; i++)
{
if (myList.Count() == 0) x = i;
}
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Enum “Inheritance”
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You can use reflection: void Test() { foreach (System.Reflection.PropertyInfo pi in typeof(Consume).GetProperties()) { Console.WriteLine(pi.Name); } }
– mnieto
Jun 5 ...