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Check if checkbox is checked with jQuery
...type="checkbox" name="chk[]" value="Bananas" />
</fieldset>
And now the jQuery:
var atLeastOneIsChecked = $('#checkArray:checkbox:checked').length > 0;
//there should be no space between identifier and selector
// or, without the container:
var atLeastOneIsChecked = $('input[name="c...
TypeError: unhashable type: 'dict'
...ntation of it like this:
>>> key = frozenset(dict_key.items())
Now you may use key as a key in a dict or set:
>>> some_dict[key] = True
>>> some_dict
{frozenset([('a', 'b')]): True}
Of course you need to repeat the exercise whenever you want to look up something usin...
getting the screen density programmatically in android?
...g point scaling factor from the reference density (160dpi). The same value now provided by metrics.densityDpi can be calculated
int densityDpi = (int)(metrics.density * 160f);
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What is a practical use for a closure in JavaScript?
... privatefunction();
}
}
})();
As you can see there, a is now an object, with a method publicfunction ( a.publicfunction() ) which calls privatefunction, which only exists inside the closure. You can NOT call privatefunction directly (i.e. a.privatefunction() ), just publicfunction...
Why should I avoid using Properties in C#?
...to read than the equivalent method calls. I agree that developers need to know that properties are basically methods in disguise - but I think that educating developers about that is better than making code harder to read using methods. (In particular, having seen Java code with several getters and ...
How to install trusted CA certificate on Android device?
I have created my own CA certificate and now I want to install it on my Android Froyo device (HTC Desire Z), so that the device trusts my certificate.
...
How to enumerate a range of numbers starting at 1
...
This answer is way out of date, you can now put just enumerate(iterable, start=1) as of Python 2.6.
– Fredrick Brennan
Feb 24 '13 at 22:50
...
Delete branches in Bitbucket
...es. Those branches are for testing before it will be pulled to the master. Now I see lots of them on the list and they we will never use it again. How to delete those branches directly to Bitbucket?
...
git push to specific branch
...push commands and have them do whatever you want. Which is great, if you know what you want and how to spell that in Git-Ese, but you're new to git! :-)
In your case, Petr Mensik's answer is the (well, "a") right one. Here's why:
The command git push remote roots around in your .git/config file ...
Get elements by attribute when querySelectorAll is not available without using libraries?
...ment.querySelectorAll('[someAttr]')
to find elements by attribute. It's now supported in all relevant browsers (even IE8): http://caniuse.com/#search=queryselector
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