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JavaScript: empty array, [ ] evaluates to true in conditional structures. Why is this?
...tring)
null
undefined
NaN (a special Number value meaning Not-a-Number!)
All other values are truthy, including "0" (zero in quotes), "false" (false in quotes), empty functions, empty arrays, and empty objects.
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How do you implement an async action delegate method?
I am learning the Web API stack and I am trying to encapsulate all data in the form of a "Result" object with parameters such as Success and ErrorCodes.
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How to implement the --verbose or -v option into a script?
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def verboseprint(*args):
# Print each argument separately so caller doesn't need to
# stuff everything to be printed into a single string
for arg in args:
print arg,
print
else:
verboseprint = lambda *a: None # do-nothing function
(Yes, y...
Why there is no “Home” button in iPad simulator in iOS 5.1 SDK?
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Someone told them that this was innovation and they all jumped and removed the button. The UX designer would have done tones of research to figure out what the most irritating thing would be for people wanting to use the simulator, and just innovated a way to fuel that irritat...
target input by type and name (selector)
I need to change some checkbox inputs to hidden inputs for some but not all inputs on a page.
3 Answers
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Are nested span tags OK in XHTML?
...ded in the list of elements classed as "% Inline", that combined with span allowing "%Inline" child elements tells me that span is a valid child of span.
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MySQL - How to select data by string length
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Actually, CHAR_LENGTH() should be a better choice. For multi-byte charsets LENGTH() will give you the number of bytes the string occupies, while CHAR_LENGTH() will return the number of characters.
– András ...
How does Facebook disable the browser's integrated Developer Tools?
... link; ours is a little more complicated for no good reason.
Chrome wraps all console code in
with ((console && console._commandLineAPI) || {}) {
<code goes here>
}
... so the site redefines console._commandLineAPI to throw:
Object.defineProperty(console, '_commandLineAPI',
{...
How to style a JSON block in Github Wiki?
...So, I tried representing the JSON in different Language syntax formats.But all time favorites are Perl, js, python, & elixir.
This is how it looks.
The following screenshots are from the Gitlab in a markdown file.
This may vary based on the colors using for syntax in MARKDOWN file...
Can anybody push to my project on github?
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No, all repositories are read-only for anonymous users.
By default only the owner of the repository has write access. If you can push to your own repo, it's because you are using one of the supported authentification methods (HT...