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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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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...
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
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Is there a cross-browser onload event when clicking the back button?
...e the problem. My javascript was set to execute after all of the libraries etc. were loaded. I checked these with the readyStateChange event.
After some testing I found out that the readyState of an element in a page where back has been clicked is not 'loaded' but 'complete'. Adding || element.read...
What's the difference between design patterns and architectural patterns?
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It requires a detailed explanation but I will try to sketch the differences to best of my knowledge.
Patterns are distilled commonality that you find in programs. It allows us to deconstruct a large complex structure and build using simple parts. It provides a general solution f...
Fastest sort of fixed length 6 int array
...s (e.g. CUDA - being branchless there are no problems with warp divergence etc).
See also: Fast algorithm implementation to sort very small list
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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...
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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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...
How to use the 'main' parameter in package.json?
...s "main"
{...}
... // many others such as function, properties, etc.
}
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