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Setting action for back button in navigation controller
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Doesn't work for me if I send a message to the delegate through a button and the delegate pops the controller - this still fires.
– SAHM
Oct 12 '12 at 19:45
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Disable validation of HTML5 form elements
...e validation for a form in HTML5 add a novalidate attribute to the form element. Ex:
<form method="post" action="/foo" novalidate>...</form>
See https://www.w3.org/TR/html5/sec-forms.html#element-attrdef-form-novalidate
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Setting “checked” for a checkbox with jQuery
I'd like to do something like this to tick a checkbox using jQuery :
41 Answers
41
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Random record in ActiveRecord
...d multiple randomly selected records you must use this approach multiple times or use the random order method provided by your database, i.e. Thing.order("RANDOM()").limit(100) for 100 randomly selected entries. (Be aware that it's RANDOM() in PostgreSQL and RAND() in MySQL ... not as portable as yo...
plot a circle with pyplot
...lot (please no pylab) taking as input center (x,y) and radius r. I tried some variants of this:
9 Answers
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Fastest way to check if a file exist using standard C++/C++11/C?
...in standard C++11, C++, or C. I have thousands of files and before doing something on them I need to check if all of them exist. What can I write instead of /* SOMETHING */ in the following function?
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Get the current first responder without using a private API
...little over a week ago and got the dreaded rejection email today. It tells me that my app cannot be accepted because I'm using a non-public API; specifically, it says,
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Do I need to convert .CER to .CRT for Apache SSL certificates? If so, how?
...iew the certificate. So, they're different in the sense that Windows has some inherent different meaning for what happens when you double click each type of file.
But the way that Windows handles them when you double-click them is about the only difference between the two. Both extensions just rep...
Why are Python lambdas useful? [closed]
...% 3 == 0, [1, 2, 3, 4, 5, 6, 7, 8, 9])
sets mult3 to [3, 6, 9], those elements of the original list that are multiples of 3. This is shorter (and, one could argue, clearer) than
def filterfunc(x):
return x % 3 == 0
mult3 = filter(filterfunc, [1, 2, 3, 4, 5, 6, 7, 8, 9])
Of course, in this p...
Removing Java 8 JDK from Mac
So I installed the beta of JDK 8 a while ago to look at some of the examples. I thought for sure by now, it's easy to change between versions.
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