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How to trigger HTML button when you press Enter in textbox?
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It is…… 2020. And I believe this still holds true.
DO NOT USE keypress
keypress event is not triggered when the user presses a key that does not produce any character, such as Tab, Caps Lock, Delete, Backspace, Escape, left & righ...
How to change the color of a CheckBox?
How do I change the default CheckBox color in Android?
By default the CheckBox color is green, and I want to change this color.
If it is not possible please tell me how to make a custom CheckBox ?
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generate days from date range
...es, or temp tables. The subquery generates dates for the last 10,000 days, and could be extended to go as far back or forward as you wish.
select a.Date
from (
select curdate() - INTERVAL (a.a + (10 * b.a) + (100 * c.a) + (1000 * d.a) ) DAY as Date
from (select 0 as a union all select 1 un...
Reference list item by index within Django template?
This may be simple, but I looked around and couldn't find an answer. What's the best way to reference a single item in a list from a Django template?
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Difference between single and double quotes in Bash
...or anyone who doesn't know what "interpolate" means: en.wikipedia.org/wiki/String_interpolation
– Kolob Canyon
May 10 '18 at 17:57
1
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Super-simple example of C# observer/observable with delegates
...***************/
class Program
{
static void Main(string[] args)
{
Parent p = new Parent();
}
}
////////////////////////////////////////////
public delegate void DelegateName(string data);
class Child...
ANTLR: Is there a simple example?
...org.antlr.runtime.*;
public class ANTLRDemo {
public static void main(String[] args) throws Exception {
ANTLRStringStream in = new ANTLRStringStream("12*(5-6)");
ExpLexer lexer = new ExpLexer(in);
CommonTokenStream tokens = new CommonTokenStream(lexer);
ExpParser...
Hibernate lazy-load application design
I tend to use Hibernate in combination with Spring framework and it's declarative transaction demarcation capabilities (e.g., @Transactional ).
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How to JSON serialize sets?
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JSON notation has only a handful of native datatypes (objects, arrays, strings, numbers, booleans, and null), so anything serialized in JSON needs to be expressed as one of these types.
As shown in the json module docs, this conversion can be done automatically by a JSONEncoder and JSONDecoder,...
How to get the last N records in mongodb?
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If I understand your question, you need to sort in ascending order.
Assuming you have some id or date field called "x" you would do ...
.sort()
db.foo.find().sort({x:1});
The 1 will sort ascending (oldest to newest) and -1 will so...