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How can I make a clickable link in an NSAttributedString?
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Use NSMutableAttributedString.
NSMutableAttributedString * str = [[NSMutableAttributedString alloc] initWithString:@"Google"];
[str addAttribute: NSLinkAttributeName value: @"http://www.google.com" range: NSMakeRange(0, str.length)];
yourTextView...
How to find out if an item is present in a std::vector?
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In C++11 you can use any_of. For example if it is a vector<string> v; then:
if (any_of(v.begin(), v.end(), bind(equal_to<string>(), _1, item)))
do_this();
else
do_that();
Alternatively, use a lambda:
if (any_of(v.begin(), v.end(), [&](const std::string& ele...
Git Push Error: insufficient permission for adding an object to repository database
... chown -R "${USER:-$(id -un)}" .
type the command exactly as it is (with extra spaces and one dot at the end)
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How to push both value and key into PHP array
...like this
array (size=3)
'type' =>
array (size=3)
0 => string 'text' (length=4)
1 => string 'text' (length=4)
2 => string 'text' (length=4)
'class' =>
array (size=3)
0 => string 'myclass1' (length=8)
1 => string 'myclass2' (length=8)
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Error installing mysql2: Failed to build gem native extension
...erate views and controllers)
rails generate scaffold city ID:integer Name:string CountryCode:string District:string Population:integer
Edit the file c:\Sites\world\app\models\city.rb to look like this
class City < ActiveRecord::Base
set_table_name "city"
end
Edit the file c:\Sites\world\c...
Wildcards in a Windows hosts file
...ntries to the hosts file, because (as previously said), it's not that much extra work when you already are editing the apache config file.
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Regular vs Context Free Grammars
...re's an analogous pumping lemma for context-free languages that breaks the strings in the language into five parts, uvxyz, and where all instances of the language are in uvixyiz, for i ≥ 0. Now, you have two "nonterminals" that can be replicated, or pumped, as long as you have the same number.
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Test whether string is a valid integer
...aining it so I can learn a little? I gather it reads, "At the start of the string (^), a minus sign (-) is optional (?), followed by any number of characters between zero and 9, inclusive" ... and what then might the +$ mean? Thanks.
– Richard T
Feb 5 '10 at 21...
When to use UICollectionView instead of UITableView?
... backgrounds and such. So if you have a straight-up list of things with no extra frills - that looks like a bog standard iOS view, basically - then use UITableview. If you have custom insets, or a border around each section, use UICollectionView.
I'm actually considering UICollectionView for all t...
Do Google refresh tokens expire?
...refresh token. Why not just have a permanent access token, and cut out the extra call for the refresh token.
– Charles Robertson
Dec 15 '15 at 22:24
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