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“Use the new keyword if hiding was intended” warning
...
Your class has a base class, and this base class also has a property (which is not virtual or abstract) called Events which is being overridden by your class. If you intend to override it put the "new" keyword after the public modifier. E.G.
...
What is the better API to Reading Excel sheets in java - JXL or Apache POI [closed]
...ionally, POI contains not just the main "usermodel" API, but also an event-based API if all you want to do is read the spreadsheet content.
In conclusion, because of the better documentation, more features, active development, and Excel 2007+ format support, I use Apache POI.
...
Avoiding instanceof in Java
...Orc. What do you think about me?". Opinionated elf can then judge monsters based on these "greetings", with a code similar to bool visitOrc(Orc orc) { return orc.stench()<threshold; } bool visitFlower(Flower flower) { return flower.colour==magenta; }. The only monster-specific code will then be c...
What is the difference between self::$bar and static::$bar in PHP?
...c bindings. One of the most useful scenarios that I found was for creating Base classes for Singleton Classes:
class A { // Base Class
protected static $name = '';
protected static function getName() {
return static::$name;
}
}
class B extends A {
protected static $name = 'M...
Why is using the rails default_scope often recommend against?
...roblem 1
Lets consider the basic example:
class Post < ActiveRecord::Base
default_scope { where(published: true) }
end
The motivation to make the default published: true, might be to make sure you have to be explict when wanting to show unpublished (private) posts. So far so good.
2.1.1 :...
How are msys, msys2, and msysgit related to each other?
...ys2 project (https://msys2.github.io/)
emerged, and was chosen to be the base of the Git for Windows 2.x.
Just like MSys, MSys2 is a stripped down version of Cygwin, but it is
actively kept up-to-date with Cygwin's source code.
Thereby, it already supports Unicode internally, and it also off...
How to join components of a path when you are constructing a URL in Python
...ing a components that don't end in / it strips the first component to it's base and then joins the other args on. Not what I would expect.
– Pete
Apr 26 '15 at 4:51
7
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Is a successor for TeX/LaTeX in sight? [closed]
...agement capabilities, and perhaps do it better -- like DocBook. (Well it's based on XML, but...) But it is hard to imagine alternatives that will replace TeX, the typesetting engine itself. TeX is probably among the programs with the least number of bugs in it -- Knuth offers $327.68 for every bug f...
How to get the filename without the extension from a path in Python?
...ng like os.path.filename(path_to_file) instead of os.path.splitext(os.path.basename(path_to_file))[0]
– Fnord
Jul 2 '14 at 17:13
20
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Rails: update_attribute vs update_attributes
... following code
# File vendor/rails/activerecord/lib/active_record/base.rb, line 2614
2614: def update_attribute(name, value)
2615: send(name.to_s + '=', value)
2616: save(false)
2617: end
and now refer update_attributes and look at its code you get
# Fil...