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Creating a comma separated list from IList or IEnumerable
...way:
string joined = string.Join(",", strings.ToArray());
// C# 2 and .NET 2.0 way:
string joined = string.Join(",", new List<string>(strings).ToArray());
The latter is a bit of a mouthful though :)
This is likely to be the simplest way to do it, and quite performant as well - there are oth...
java.util.regex - importance of Pattern.compile()?
...id that all .NET Regex objects are cached, which is incorrect. Since .NET 2.0, automatic caching occurs only with static methods like Regex.Matches(), not when you call a Regex constructor directly. ref)
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Is XML case-sensitive?
...ed support for the latest W3C standards (e.g it doesn't even support XPath 2.0) but there are plenty of third-party libraries to fill the gap.
– Michael Kay
Dec 29 '15 at 22:26
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How to elegantly rename all keys in a hash in Ruby? [duplicate]
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Although to_h is only available in Ruby 2.0 onwards. In Ruby 1.9.3 I did it by wrapping the whole thing in Hash[...]
– digitig
Sep 18 '14 at 14:18
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Hidden Features of C#? [closed]
...werInvariant. I cannot find any difference in their performance under .NET 2.0 or 3.5. Certainly not anything that warrant "highly recommending" using one over the other.
– Rasmus Faber
Jan 21 '09 at 21:41
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Painless way to install a new version of R?
...orward compatible". And IIRC only one upgrade (may have been R 1.9 -> R 2.0) required a rebuild of all libraries.
– Dirk Eddelbuettel
Sep 10 '09 at 2:32
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Difference of Maven JAXB plugins
...ugin currently uses JAXB 2.1. In the next versions we'll also provide JAXB 2.0 and JAXB 2.2 versions.
As for "which plugin is better" discussion, check the features, decide yourself. Let me know if you miss some functionality.
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Create a tag in a GitHub repository
... tag -a v2.1.0 -m "xyz feature is released in this tag."
$ git tag
v1.0.0
v2.0.0
v2.1.0
The -m denotes message for that particular tag. We can write summary of features which is going to tag here.
Lightweight Tags:
The other way to tag commits is lightweight tag. We can do it in the following wa...
How do I pass multiple parameters into a function in PowerShell?
...heses are entirely unneccessary and will cause a parse error in PowerShell 2.0 (or later) if Set-StrictMode is active. Parenthesised arguments are used in .NET methods only.
function foo($a, $b, $c) {
"a: $a; b: $b; c: $c"
}
ps> foo 1 2 3
a: 1; b: 2; c: 3
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Failed to install Python Cryptography package with PIP and setup.py
...u're on the latest pip you won't even need a compiler.
Linux
As of version 2.0 cryptography ships manylinux wheels. This means users with pip 8.1+ running on a glibc-based distribution (almost everything except Alpine Linux) and on x86/x86-64 no longer need a compiler or headers because you'll get a...