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Can I use Objective-C blocks as properties?
Is it possible to have blocks as properties using the standard property syntax?
8 Answers
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PostgreSQL wildcard LIKE for any of a list of words
I have a simple list of ~25 words. I have a varchar field in PostgreSQL, let's say that list is ['foo', 'bar', 'baz'] . I want to find any row in my table that has any of those words. This will work, but I'd like something more elegant.
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How to calculate the SVG Path for an arc (of a circle)
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edited Aug 26 '16 at 15:57
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Advantages of stateless programming?
...nal programming (specifically Haskell, but I've gone through tutorials on Lisp and Erlang as well). While I found the concepts very enlightening, I still don't see the practical side of the "no side effects" concept. What are the practical advantages of it? I'm trying to think in the functional min...
Converting java.util.Properties to HashMap
java.util.Properties is a implementation of java.util.Map , And java.util.HashMap's constructor receives a Map type param. So, why must it be converted explicitly?
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How do you convert epoch time in C#?
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I presume that you mean Unix time, which is defined as the number of seconds since midnight (UTC) on 1st January 1970.
private static readonly DateTime epoch = new DateTime(1970, 1, 1, 0, 0, 0, DateTimeKind.Utc);
public static DateTime FromUnixTime(long unixTime)
{...
Why is DarkGray lighter than Gray?
...ty here, tinged with some practical concerns because I get caught out by this occasionally.
3 Answers
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Fragment MyFragment not attached to Activity
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I've found the very simple answer: isAdded():
Return true if the fragment is currently added to its activity.
@Override
protected void onPostExecute(Void result){
if(isAdded()){
getResources().getString(R.string.app_name);
}
}
To avoid ...
How can I add a key/value pair to a JavaScript object?
Here is my object literal:
24 Answers
24
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Version vs build in Xcode
...ntifier, version, build, devices, and deployment target. The version field is blank and the build field is 3.4.0 (which matches the version of the app from when I was still editing with Xcode 3).
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