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Why use Ruby instead of Smalltalk? [closed]
...se has some great Smalltalk books available here:
http://stephane.ducasse.free.fr/FreeBooks.html
so although the Smalltalk community is not as prolific as the Ruby and Rails communities, there is still some great help out there.
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Performance differences between debug and release builds
...of the method. This is a big one, it makes property accessors essentially free.
CPU register allocation. Local variables and method arguments can stay stored in a CPU register without ever (or less frequently) being stored back to the stack frame. This is a big one, notable for making debugging o...
Creating threads - Task.Factory.StartNew vs new Thread()
... the task at the thread pool or execute it synchronously. The TPL is about freeing you from managing the threads/concurrency yourself and using the best for your platform (like utilizing cores)
– sanosdole
Oct 25 '11 at 13:21
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Practical use of `stackalloc` keyword
...ys down, it's faster to allocate than a heap array, an it is automatically freed on method exit (heap allocated arrays are only deallocated when GC runs). Also by using stackalloc instead of a native allocator (like malloc or the .Net equivalent) you also gain speed and automatic deallocation on sco...
What are the git concepts of HEAD, master, origin?
...is doesn't directly answer the question, there is great book available for free which will help you learn the basics called
ProGit. If you would prefer the dead-wood version to a collection of bits you can purchase it from Amazon.
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How do I do a case-insensitive string comparison?
...icodedata.normalize. You probably want to use NFKD normalization, but feel free to check the documentation. Then one does
unicodedata.normalize("NFKD", "ê") == unicodedata.normalize("NFKD", "ê")
#>>> True
To finish up, here this is expressed in functions:
import unicodedata
def norm...
How to undo another user’s checkout in TFS?
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The easiest way I found is to use the free TFS Sidekick application. It has an option to view and undo other user's checkout.
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Samples of Scala and Java code where Scala code looks simpler/has fewer lines?
...could make that a case class and get the toString, equals and hashCode for free (and you also don't have to make the arguments val explicitly): case class Person(firstName: String, lastName: String)
– Jesper
Jun 1 '10 at 20:50
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What is cURL in PHP?
... />';
echo 'http code: ' . $info['http_code'] . '<br />';
// Free up the resources $curl is using
curl_close($curl);
echo $result;
?>
2.demo.php page, you can see the result:
<?php
print_r($_POST);
//content type: text/html; charset=UTF-8
//http code: 200
//A...
What are all the common undefined behaviours that a C++ programmer should know about? [closed]
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The compiler is free to re-order the evaluation parts of an expression (assuming the meaning is unchanged).
From the original question:
a[i] = i++;
// This expression has three parts:
(a) a[i]
(b) i++
(c) Assign (b) to (a)
// (c) is guar...