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Is there a typical state machine implementation pattern?
...raw into working code and, conversely, you can easily draw a state diagram from the code.
In other techniques for implementing FSM the structure of the transitions is buried in control structures (while, if, switch ...) and controlled by variables value (tipically a state variable) and it may be a ...
Why should we typedef a struct so often in C?
...case, you cannot return the Point by value, since its definition is hidden from users of the header file. This is a technique used widely in GTK+, for instance.
UPDATE Note that there are also highly-regarded C projects where this use of typedef to hide struct is considered a bad idea, the Linux ke...
How can I install a local gem?
...
I can confirm from the future of 2020, the link works for me. In case it doesn't work in the distant future, here's the Archive.org April 19th, 2020 snapshot
– Jed Burke
May 30 at 10:23
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How to convert an iterator to a stream?
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One way is to create a Spliterator from the Iterator and use that as a basis for your stream:
Iterator<String> sourceIterator = Arrays.asList("A", "B", "C").iterator();
Stream<String> targetStream = StreamSupport.stream(
Spliterators.spli...
Internet Explorer 9 not rendering table cells properly
...remove the space inbetween td by using javascript if your html is returned from ajax, then from the response, you replace it with
response_html = response_html.replace(/td>\s+<td/g,'td><td');
$('#table').html(response_html);
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How can I convert ereg expressions to preg in PHP?
...anation! I'd like just to add an special case in which your are converting from ereg to preg_match and you need to escape only the delimiters and not reserved characters (because they were already working as special characters, we don't want to escape them): preg_match('/'.str_replace('/','\/',$exp...
sys.argv[1] meaning in script
...the arguments (as separated by spaces) on the command-line. The name comes from the C programming convention in which argv and argc represent the command line arguments.
You'll want to learn more about lists and strings as you're familiarizing yourself with Python, but in the meantime, here are a f...
Pass ruby script file to rails console
...What we also have been using a lot lately is to load the rails environment from within the script itself. Consider doit.rb:
#!/usr/bin/env ruby
require "/path/to/rails_app/config/environment"
# ... do your stuff
This also works if the script or the current working directory are not within the r...
Spring Boot: Unable to start EmbeddedWebApplicationContext due to missing EmbeddedServletContainerFa
I am totally new to Spring and started to do the official guides from this site:
https://spring.io/guides
27 Answers
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When to use inline function and when not to use it?
...cantly impairs performance regardless of the faster execution that results from the calling overhead
inline functions that are I/O bound
the function is seldom used
constructors and destructors: even when empty, the compiler generates code for them
breaking binary compatibility when developing libra...