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Using NSPredicate to filter an NSArray based on NSDictionary keys
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It should work - as long as the data variable is actually an array containing a dictionary with the key SPORT
NSArray *data = [NSArray arrayWithObject:[NSMutableDictionary dictionaryWithObject:@"foo" forKey:@"BAR"]];
NSArray *filtered = [data filteredArrayUsingPredicate:[N...
Evenly space multiple views within a container view
Auto Layout is making my life difficult. In theory, it was going to be really useful when I switched, but I seem to fight it all of the time.
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Format output string, right alignment
I am processing a text file containing coordinates x, y, z
7 Answers
7
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Truncate number to two decimal places without rounding
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@DarkHippo Thats because 4.27 is actually 4.26999999999, Math.round is generally a better solution, albeit not the answer to the original question. Realistically given the output is a string this should be done using string manipulation instead of a numeric solu...
Is there an opposite of include? for Ruby Arrays?
... Minor remark: AS adds it to Enumerable so you can use it with all classes which include Enumerable. Even with Hash. :)
– user2422869
Aug 5 '15 at 5:04
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Argparse: Required arguments listed under “optional arguments”?
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Parameters starting with - or -- are usually considered optional. All other parameters are positional parameters and as such required by design (like positional function arguments). It is possible to require optional arguments, but this is a bit against their desig...
Is there a way to reduce the size of the git folder?
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I'm not sure what you want. First of all, of course each time you commit/push the directory is going to get a little larger, since it has to store each of those additional commits.
However, probably you want git gc which will "cleanup unnecessary files and opti...
Copy and paste content from one file to another file in vi
...wo putty windows open, I am doing "v for visual mode first and then select all the lines and the do a "y" for yanking, not I am doing an alt+tab to get onto the other file and when I do a "p" for put, it only prints a quotation mark.
– macha
Jan 6 '11 at 22:42
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How can I expose more than 1 port with Docker?
...ith EXPOSE, then perform docker run -P (note the uppercase) which automatically exposes all ports defined with EXPOSE in the Dockerfile
– Ted Avery
May 14 '15 at 13:13
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Upgrade Node.js to the latest version on Mac OS
...c OS X 10.7.4. Now I want to upgrade it to the latest Node.js v0.8.1. But after downloading and installing the latest package file from nodejs.org, I found that system is still using v0.6.16 instead of v0.8.1 when I typed "node -v" in a terminal. Is there any step that I have missed? Or, should I th...