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MySQL “Group By” and “Order By”
...clauses will only apply to the returned column value, not to the discarded ones.
IMPORTANT UPDATE
Selecting non-aggregate columns used to work in practice but should not be relied upon. Per the MySQL documentation "this is useful primarily when all values in each nonaggregated column not named in th...
Padding is invalid and cannot be removed?
...
Thank you I found it rj.Padding=PaddingMode.none; :)
– Ahmad Hajjar
Jan 11 '12 at 7:19
7
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How to Implement DOM Data Binding in JavaScript
...es the new object instead of a function as the second argument. But this alone won't work.
Implementing the eventListener interface
To make this work, your object needs to implement the eventListener interface. All that's needed to accomplish this is to give the object a handleEvent() method.
T...
Cryptic “Script Error.” reported in Javascript in Chrome and Firefox
...visit, and could provide a much more targeted phishing page. (This is just one example, of course. But it illustrates why browsers shouldn't allow any data to cross domain boundaries.)
I've tested this in the latest versions of Safari, Chrome, and Firefox - they all do this. IE9 does not - it tre...
How do you find the sum of all the numbers in an array in Java?
... edited Mar 17 '18 at 16:04
OneCricketeer
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answered Jul 24 '13 at 23:08
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Why does C++ not have reflection?
...able at least some metadata).
You don't pay for what you don't
use. That's one of the must basic
design philosophies underlying C++.
Why should my code carry around
metadata if I may never need it?
Moreover, the addition of metadata
may inhibit the compiler from
optimizing. Why should I pay that
cos...
The difference between try/catch/throw and try/catch(e)/throw e
...at very line throw e on the method containing that try-catch block.
Which one should you use? It really depends on each case.
Let's say you have a Person class with a .Save() method that will persist it into a database. Let's say that your application executes the Person.Save() method somewhere. I...
What is the difference between save and export in Docker?
...any change you made, any data file written during the container life. This one is more like a traditional backup.
It will give you a flat .tar archive containing the filesystem of your container.
Edit: as my explanation may still lead to confusion, I think that it is important to understand that...
Copying PostgreSQL database to another server
...irst command in this answer is to copy from local to remote and the second one is from remote to local. More -> https://www.postgresql.org/docs/9.6/app-pgdump.html
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Java's final vs. C++'s const
...y must be set before the constructor has finished, this can be achieved in one of two ways:
public class Foo {
private final int a;
private final int b = 11;
public Foo() {
a = 10;
}
}
In C++ you will need to use initialisation lists to give const members a value:
class Foo {
...