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Is there a standard function to check for null, undefined, or blank variables in JavaScript?
...re a universal JavaScript function that checks that a variable has a value and ensures that it's not undefined or null ? I've got this code, but I'm not sure if it covers all cases:
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How do you disable viewport zooming on Mobile Safari?
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This is a rather old answer and coming to the problem I had read that if you set user-scalable to no this would cause accessibility problems. As of iOS 10 it works fine, allowing the user to zoom if he wishes, but but not zooming the input box otherwise...
How to Iterate over a Set/HashSet without an Iterator?
...accessing the underlying structure that holds the data through reflection, and replicating the code provided by Set#iterator...
– assylias
Sep 17 '12 at 8:46
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new Date() works differently in Chrome and Firefox
...x epoch, or use a regular expression to break the string down in its parts and then feed those into Date.UTC.
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how to remove css property using javascript?
...whatever follows from the definitions set in the stylesheets (through link and style tags). So this syntax will only modify the local style of this element.
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converting a base 64 string to an image and saving it
... This is an excellent solution in my case where I was using mono on Linux and experienced some odd behavior with gdi+ in Image.Save. This solution completely bypasses Image / Gdi+ (See stackoverflow.com/questions/35783690/…)
– Jeff Albrecht
Mar 4 '16 at 4:18...
PHP Error handling: die() Vs trigger_error() Vs throw Exception
In regards to Error handling in PHP -- As far I know there are 3 styles:
2 Answers
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if/else in a list comprehension
...x in row]
In general,
[f(x) if condition else g(x) for x in sequence]
And, for list comprehensions with if conditions only,
[f(x) for x in sequence if condition]
Note that this actually uses a different language construct, a conditional expression, which itself is not part of the comprehensi...
Can I get the name of the current controller in the view?
... Guides, it says:
The params hash will always contain the :controller and :action keys, but you should use the methods controller_name and action_name instead to access these values
ActionController Parameters
So let's say you have a CSS class active , that should be inserted in any link who...
Maven package/install without test (skip tests)
...thanks for ur immediate reply,am running from eclipse, where i add the command -Dmaven.test.skip=true?
– vks
Sep 17 '11 at 15:59
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