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How to define static property in TypeScript interface
...t extend it with a class using the extends keyword, which is a bit of a sham>me m> as this would be a good solution if date was a class.
If you want to extend the Date object to provide a MinValue property on the prototype, you can:
interface Date {
MinValue: Date;
}
Date.prototype.MinValue = new ...
Best way to build a Plugin system with Java
How would you implem>me m>nt a Plugin-system for your Java application?
8 Answers
8
...
Select2 dropdown but allow new values by user?
...his answer below by Kevin Brown
In Select2 3.5.2 and below, you can use som>me m>thing like:
$(selector).select2({
minimumInputLength:1,
"ajax": {
data:function (term, page) {
return { term:term, page:page };
},
dataType:"json",
quietMillis:100,
results: function (data, pa...
Which SQL query is faster? Filter on Join criteria or Where clause?
... join criteria because it reduces the result set at the soonest possible mom>me m>nt, but I don't know for sure.
9 Answers
...
On Duplicate Key Update sam>me m> as insert
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The UPDATE statem>me m>nt is given so that older fields can be updated to new value. If your older values are the sam>me m> as your new ones, why would you need to update it in any case?
For eg. if your columns a to g are already set as 2 to 8; there...
How do I best silence a warning about unused variables?
... passed to functions are utilised. Hence I get a warning from GCC telling m>me m> that there are unused variables.
21 Answers
...
Show constraints on tables command
...
I use
SHOW CREATE TABLE mytable;
This shows you the SQL statem>me m>nt necessary to receate mytable in its current form. You can see all the columns and their types (like DESC) but it also shows you constraint information (and table type, charset, etc.).
...
Unioning two tables with different number of columns
...
@Hans: You can do som>me m>thing like isnull(ColumnNam>me m>, 0) as ColumnNam>me m> or isnull(ColumnNam>me m>, '-') as ColumnNam>me m> or som>me m>thing similar.
– Kangkan
Jan 16 '14 at 12:04
...
Reading Properties file in Java
...
Based on your exception, the InputStream is null, this m>me m>ans the class loader is not finding your properties file. I'm guessing that myProp.properties is in the root of your project, if that's the case, you need a preceding slash:
InputStream stream = loader.getResourceAsStream(...
http HEAD vs GET performance
...esource is large or is slow to retrieve at the server, you might not see a m>me m>asurable gain by using HEAD instead of GET. It could be that retrieving the m>me m>ta data is not any faster than retrieving the entire resource.
You could implem>me m>nt both options and benchmark them to see which is faster, but r...