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Extracting the last n characters from a ruby string
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+1... I think this way is easier to read than string.reverse[0..n].reverse, which gives me a second of "wait, why is he doing that?" (or would if I weren't reading it in the context of this question)
– Arkaaito
Feb 1 '10 a...
Why is access to the path denied?
...s an executable file that is in use.
Path is a directory.
Path specified a read-only file.
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Validating an XML against referenced XSD in C#
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You need to create an XmlReaderSettings instance and pass that to your XmlReader when you create it. Then you can subscribe to the ValidationEventHandler in the settings to receive validation errors. Your code will end up looking like this:
using Sy...
Syntax behind sorted(key=lambda: …)
... before the evens, the evens themselves are not sorted. Why is this?? Lets read the docs:
Key Functions Starting with Python 2.4, both list.sort() and sorted() added a key parameter to specify a function to be called on
each list element prior to making comparisons.
We have to do a little bi...
Command Prompt - How to add a set path only for that batch file executing?
...cal:
setlocal
set PATH=...
set OTHERTHING=...
@REM Rest of your script
Read the docs carefully for setlocal/endlocal , and have a look at the other references on that site - Functions is pretty interesting too and the syntax is tricky.
The Syntax page should get you started with the basics.
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Best Java obfuscator? [closed]
...mething. Everything is hackable. A smart developer using a smart IDE can already get far enough.
Well, you can find here a list. ProGuard is pretty good. I've used it myself, but only to "minify" Java code.
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Difference between private, public, and protected inheritance
...n, I'd like to describe member's accessors first in my own words. If you already know this, skip to the heading "next:".
There are three accessors that I'm aware of: public, protected and private.
Let:
class Base {
public:
int publicMember;
protected:
int protectedMember;...
Android: upgrading DB version and adding new table
I've already created sqlite tables for my app, but now I want to add a new table to the database.
5 Answers
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How to use the 'og' (Open Graph) meta tag for Facebook share
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1) Facebook will read the <meta name="author"> tag and display it in the preview when someone shares a page 2) Facebook now has support for <meta property="article:author"> (details at giannopoulos.net/2015/06/20/…) and will di...
How do I put variables inside javascript strings?
...it would be really useful to make it clear on pages such as nodejs.org/api/readline.html that it is a backtick. There was an issue for it here: github.com/nodejs/docs/issues/55
– Gail Foad
Sep 29 '17 at 19:55
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