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Readonly Properties in Objective-C?
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Eiko and others gave correct answers.
Here's a simpler way: Directly access the private member variable.
Example
In the header .h file:
@property (strong, nonatomic, readonly) NSString* foo;
In the implementation .m file:
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default select option as blank
...n't show up in the list anymore.
Option 2
If you don't want to write CSS and expect the same behaviour of the solution above, just use:
<option hidden disabled selected value> -- select an option -- </option>
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Using Font Awesome icon for bullet points, with a single list item element
...ocs specify to do this, it isn't technically the solution to the question, and isn't useful if you're looking to do this without modifying your HTML output.
– Ryan
Sep 1 '14 at 8:05
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How to export plots from matplotlib with transparent background?
I am using matplotlib to make some graphs and unfortunately I cannot export them without the white background.
2 Answers
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Why return NotImplemented instead of raising NotImplementedError
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It's because __lt__() and related comparison methods are quite commonly used indirectly in list sorts and such. Sometimes the algorithm will choose to try another way or pick a default winner. Raising an exception would break out of the sort unles...
AngularJS performs an OPTIONS HTTP request for a cross-origin resource
...e the asset host which delivers my template files is on a different domain and therefore the XHR request that angular performs must be cross-domain. I've added the appropriate CORS header to my server for the HTTP request to make this work, but it doesn't seem to work. The problem is that when I ins...
How to go about formatting 1200 to 1.2k in java
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Here is a solution that works for any long value and that I find quite readable (the core logic is done in the bottom three lines of the format method).
It leverages TreeMap to find the appropriate suffix. It is surprisingly more efficient than a previous solution I wrote t...
Error inflating class fragment
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As hdemirchian said, make sure to use:
import android.support.v4.app.Fragment;
And also make sure that the Activity that is using the fragment(s) extends FragmentActivity instead of the regular Activity,
import android.support.v4.app.FragmentActivity;
to get the Fr...
How do you add an array to another array in Ruby and not end up with a multi-dimensional result?
...*a2) # note the asterisk
a2.unshift(*a1) # note the asterisk, and that a2 is the receiver
or splice:
a1[a1.length, 0] = a2
a1[a1.length..0] = a2
a1.insert(a1.length, *a2)
or append and flatten:
(a1 << a2).flatten! # a call to #flatten instead would return a new array
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How to start new activity on button click
In an Android application, how do you start a new activity (GUI) when a button in another activity is clicked, and how do you pass data between these two activities?
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