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Object-orientation in C
...It tries to keep minimal the available concepts for the sake of simplicity and flexibility: uniform object oriented programming including open classes, metaclasses, property metaclasses, generics, multimethods, delegation, ownership, exceptions, contracts and closures. There is a draft paper (PDF) ...
How do I get the name of captured groups in a C# Regex?
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Use GetGroupNames to get the list of groups in an expression and then iterate over those, using the names as keys into the groups collection.
For example,
GroupCollection groups = regex.Match(line).Groups;
foreach (string groupName in regex.GetGroupNames())
{
Console.WriteLine(
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How to get the changes on a branch in Git
...it-diff does not take a list of revisions - it takes one or two revisions, and has defined the A...B syntax to mean how it's defined in the git-diff manpage. If git-diff did not explicitly define A...B, then that syntax would be invalid. Note that the git-rev-parse manpage describes A...B in the "Sp...
What is the use of “assert” in Python?
I have been reading some source code and in several places I have seen the usage of assert .
21 Answers
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Efficient string concatenation in C++
I heard a few people expressing worries about "+" operator in std::string and various workarounds to speed up concatenation. Are any of these really necessary? If so, what is the best way to concatenate strings in C++?
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How to replace a set of tokens in a Java String?
...efficient way would be using a matcher to continually find the expressions and replace them, then append the text to a string builder:
Pattern pattern = Pattern.compile("\\[(.+?)\\]");
Matcher matcher = pattern.matcher(text);
HashMap<String,String> replacements = new HashMap<String,String&...
Difference between == and ===
In swift there seem to be two equality operators: the double equals ( == ) and the triple equals ( === ), what is the difference between the two?
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What's the difference between URI.escape and CGI.escape?
What's the difference between URI.escape and CGI.escape and which one should I use?
7 Answers
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How to set entire application in portrait mode only?
... I set it so the application is running in portrait mode only? I want the landscape mode to be disabled while the application is running. How do I do it programmatically?
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What do 'lazy' and 'greedy' mean in the context of regular expressions?
Could someone explain these two terms in an understandable way?
12 Answers
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