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How to get RGB values from UIColor?
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If someone finding problem on how to get values from colors, you can write something like, CGFloat red = colors[0];
– Hemang
Jul 2 '14 at 9:49
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How to inspect the return value of a function in GDB?
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May b a stupid question What if function does not have return value?
– Roon13
Oct 15 '18 at 23:29
add a comment
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Saving enum from select in Rails 4.1
...arkling</option>
</select>
Values went from "0" to "red" and now we're all set.
If you're using a regular ol' rails text_field it's:
f.select :color, Wine.colors.keys.to_a
If you want to have clean human-readable attributes you can also do:
f.select :color, Wine.colors.keys.ma...
Google Maps: how to get country, state/province/region, city given a lat/long value?
...t a search feature that would allow users to find other users within a specified location (e.g. find all users in Brooklyn, NY)? Remember, all I have are lat/longs.
– StackOverflowNewbie
Oct 25 '10 at 11:05
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Understanding slice notation
...lue represents the first value that is not in the selected slice. So, the difference between stop and start is the number of elements selected (if step is 1, the default).
The other feature is that start or stop may be a negative number, which means it counts from the end of the array instead of th...
How to get a resource id with a known resource name?
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Thankq for your reply .R.drawable.resourcename i am using now i need to get its integer value by passing resourcename
– Aswan
Aug 13 '10 at 11:45
2
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How to make a class conform to a protocol in Swift?
...s inherit from NSObject and conform to the UITableViewDataSource together. Now if you want to modify the functions in the protocol, you need to add keyword override before the function call, like this
class CustomDataSource : NSObject, UITableViewDataSource {
override func tableView(_ tableVie...
Extract file name from path, no matter what the os/path format
....path.split or os.path.basename as others suggest won't work in all cases: if you're running the script on Linux and attempt to process a classic windows-style path, it will fail.
Windows paths can use either backslash or forward slash as path separator. Therefore, the ntpath module (which is equiv...
I need to generate uuid for my rails application. What are the options(gems) I have? [duplicate]
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yes of course. And yet the question specifically referred to 1.8.7.
– existentialmutt
Aug 25 '14 at 17:37
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Unioning two tables with different number of columns
...atching column ordering that is implied by the use of * as column list specifier. This type of errors can be easily avoided by entering the column list explicitly:
select col_a, col_b, col_c from test1_1790
union all
select col_a, col_b, col_c from test2_1790;
A more frequent scenario for this erro...