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Class does not implement its superclass's required members
...by making the class final (meaning the class can't be inherited from).
So, what happens if I subclass? From this point, if I subclass, I'm fine. If I add any initializers though, I am suddenly no longer inheriting init(foo:). This is problematic because now I'm no longer conforming to the InitPro...
Focus Next Element In Tab Index
...never implemented this, but I've looked into a similar problem, and here's what I would try.
Try this first
First, I would see if you could simply fire a keypress event for the Tab key on the element that currently has focus. There may be a different way of doing this for different browsers.
If t...
SQL - Select first 10 rows only?
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What's the difference between limit 0, 10 and limit 10? And why doesn't limit 10, 20 give me 10 rows between the 10th and 20th rows? EDIT: Oh, so limit 10, 20 means give me 20 rows after the 10th row. If I want rows between ...
Xcode debugging - displaying images
... variables!
Xcode itself can't do it. I don't know about external tools.
What i'm doing to test images while debugging is to convert that raw data into an image-file format, like .png, and then saving it somewhere, and then i'm opening the image with any image viewing tool.
I have a piece of code...
Vim: insert the same characters across multiple lines
...Select the lines you want to modify using CtrlV.
Press:
I: Insert before what's selected.
A: Append after what's selected.
c: Replace what's selected.
Type the new text.
Press Esc to apply the changes to all selected lines.
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Is there a NumPy function to return the first index of something in an array?
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What if you want it to stop searching after finding the first value? I don't think where() is comparable to find()
– Michael Clerx
Nov 20 '14 at 19:12
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Difference between if () { } and if () : endif;
... The pertinent point is <?php endif; ?> - you can tell exactly what is ending even with many lines of HTML inbetween the preceding if / else and this statement.
– Fenton
Feb 23 '11 at 14:21
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How to exit from PostgreSQL command line utility: psql
What command or short key can I use to exit the PostgreSQL command line utility psql ?
9 Answers
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In MySQL what does “Overhead” mean, what is bad about it, and how to fix it?
...esequencing, compressing, managing
index paths, defragmenting, etc. is
what is known as OPTIMIZATION in mysql
and other terms in other databases.
For example, IBM DB2/400 calls it
REORGANIZE PHYSICAL FILE MEMBER.
It's kind of like changing the oil in
your car or getting a tune-up. Y...
What is the maximum size of a web browser's cookie's key?
What is the maximum size of a web browser's cookie's key?
5 Answers
5
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