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How would you access Object properties from within an object method? [closed]
...erform a calculation, and then set some other value in the object, better known as procedural programming. You'd be better served to simply tell the object to do what you were going to in the first place; also known as the Information Expert idiom.
Getters and setters, however, are necessary evils ...
How to check whether an object is a date?
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Out of interest do you know the reason for this failing when passing across frame boundaries?
– Simon Lieschke
Apr 12 '10 at 6:03
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Tools for JPEG optimization? [closed]
Do you know of any tools (preferrably command-line) to automatically and losslessly optimize JPEGs that I could integrate into our build environment? For PNGs I'm currently using PNGOUT , and it generally saves around 40% bandwidth/image size.
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Is there an online name demangler for C++? [closed]
... box, and it will return the output with the names demangled.
@Update: It now demangles MSVC and Java symbols also.
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List of installed gems?
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The Gem command is included with Ruby 1.9+ now, and is a standard addition to Ruby pre-1.9.
require 'rubygems'
name = /^/i
dep = Gem::Dependency.new(name, Gem::Requirement.default)
specs = Gem.source_index.search(dep)
puts specs[0..5].map{ |s| "#{s.name} #{s.version...
An item with the same key has already been added
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Would someone know how to identify which is "the same key?"
– ClayKaboom
Apr 15 '14 at 18:34
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How to remove “disabled” attribute using jQuery?
...fault();
$('.inputDisabled').prop("disabled", false); // Element(s) are now enabled.
});
jsFiddle example here.
Why use prop() when you could use attr()/removeAttr() to do this?
Basically, prop() should be used when getting or setting properties (such as autoplay, checked, disabled and ...
Unicode character in PHP string
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@Gumbo: I know that but it doesn't make any difference in here. Javascript as well as JSON support the \uxxxx Unicode syntax so you can use json_decode to work on an artifically created JSON string representation. I changed the wording ...
How do I use extern to share variables between source files?
I know that global variables in C sometimes have the extern keyword. What is an extern variable? What is the declaration like? What is its scope?
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How do I write the 'cd' command in a makefile?
...t everybody works on legacy makefiles, and even then this answer is about knowing this possibility exists.
– Chnossos
May 20 '17 at 14:52
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