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Regex to match only letters
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\p{L} matches all the umlauts sedilla accents etc, so you should go with that.
– Radu Simionescu
Oct 11 '16 at 8:45
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Resolving ambiguous overload on function pointer and std::function for a lambda using +
...esult is the value of the argument.
The lambda is not of arithmetic type etc., but it can be converted:
[expr.prim.lambda]/3
The type of the lambda-expression [...] is a unique, unnamed non-union class type — called the closure type — whose properties are described below.
[expr.prim.lam...
Doctrine - How to print out the real sql, not just the prepared statement?
...gt;getSql(); works
Edit:
to view all the mysql queries I use
sudo vim /etc/mysql/my.cnf
and add those 2 lines:
general_log = on
general_log_file = /tmp/mysql.log
and restart mysql
share
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If threads share the same PID, how can they be identified?
...ad ID's are usually managed by the thread library itself (such as pthread, etc...). If the 4 threads are started they should have the same PID. The kernel itself will handle thread scheduling and such but the library is the one that is going to be managing the threads (whether they can run or not de...
How to correctly implement custom iterators and const_iterators?
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Choose type of iterator which fits your container: input, output, forward etc.
Use base iterator classes from standard library. For example, std::iterator with random_access_iterator_tag.These base classes define all type definitions required by STL and do other work.
To avoid code duplication iter...
AngularJS error: 'argument 'FirstCtrl' is not a function, got undefined'
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Another noob error: Rouge parenthesis, etc. in the controller can cause the same type of error to be displayed in the console.
– user2938649
Nov 2 '16 at 14:02
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Getting a structural type with an anonymous class's methods from a macro
...hat class that's statically typed as a structural type with those methods, etc. This is possible with the macro system in 2.10.0, and the type member part is extremely easy:
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ActiveRecord: size vs count
...of new messages, total elements when only a page is going to be displayed, etc.
length
Loads the required data, i.e. the query as required, and then just counts it. The way to go if you are using the data.
Example: Summary of a fully loaded table, titles of displayed data, etc.
size
It checks i...
Do I cast the result of malloc?
... if it's not you who frees the memory but maybe a C library you are using, etc. Many possible problems without any gain.
– quinmars
Mar 4 '09 at 8:53
88
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Create tap-able “links” in the NSAttributedString of a UILabel?
...xtView instead of a UILabel, then it is easy. Standard URLs, phone numbers etc will be automatically detected (and be clickable).
However, if you need custom detection, that is, if you want to be able to call any custom method after a user clicks on a particular word, you need to use NSAttributedS...