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How can I add a boolean value to a NSDictionary?
...number... methods that take booleans, just as it does integers and so on.
From the NSNumber class reference:
// Creates and returns an NSNumber object containing a
// given value, treating it as a BOOL.
+ (NSNumber *)numberWithBool:(BOOL)value
and:
// Returns an NSNumber object initialized to ...
Difference between String#equals and String#contentEquals methods
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@dbw this answer is from the answer you posted
– Prateek
Dec 26 '13 at 4:52
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scopes with lambda and arguments in Rails 4 style?
...re using the old style in Rails 4.2 was returning incorrect boolean values from the database. It may not be officially deprecated, but using the updated syntax fixed the issue.
– stevenspiel
May 13 '15 at 19:26
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What's the difference between RouteLink and ActionLink in ASP.NET MVC?
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Actually, the output from the two methods is the same, but it is generated in slightly different ways:
Html.ActionLink() makes it easy to generate ActionLinks fast, and will give you basic control over what is rendered. If you don't have too man...
How can I modify the size of column in a MySQL table?
...ARCHAR(100) and you change it to VARCHAR(50) it will cut any existing data from columns. As per this specific question though, making a column larger won't have an issue with the data.
– Warren Sergent
Jan 31 '14 at 3:46
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Why do you have to call .items() when iterating over a dictionary in Python?
...ng if one sense of in (the loop clause) had a completely different meaning from the other (the presence check)? I sure would! It naturally works that way for lists, sets, tuples, ...
So, when C is a dictionary, if in were to yield key/value tuples in a for loop, then, by the principle of least as...
MS-DOS Batch file pause with enter key
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it does not work for me. works only from second launch when 'set' worked out / saved into the env.
– ses
May 6 '14 at 19:33
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Stop setInterval
I want to stop this interval in the error handler from running repeatedly. Is that possible, and if so, how?
6 Answers
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Java regex email
...ter@müller.de is valid
matteo@78.47.122.114 is valid
The regex is taken from this post: Mail::RFC822::Address: regexp-based address validation. The results should coincide with online version.
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How to install a specific version of a ruby gem?
... install command.
If you're developing a gem locally, after cutting a gem from your gemspec:
$ gem install gemname-version.gem
Assuming version 0.8, it would look like this:
$ gem install gemname-0.8.gem
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