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How can we match a^n b^n with Java regex?
...
As mentioned in the question — with .NET balancing group, the patterns of the type anbncndn…zn can be matched easily as
^
(?<A>a)+
(?<B-A>b)+ (?(A)(?!))
(?<C-B>c)+ (?(B)(?!))
...
(?<Z-Y>z)+ (?(Y)(?!))
$
For example: http...
Why use HttpClient for Synchronous Connection
...se the async version is if I were trying
to support an older version of .NET that does not already have built
in async support."
(and upvote if I had the reputation.)
I can't remember the last time if ever, I was grateful of the fact HttpWebRequest threw exceptions for status codes >= 400....
Using AES encryption in C#
...etricAlgorithm. A list of the available SymmetricAlgorithm inheritors for .NET 4.5 can be found at:
http://msdn.microsoft.com/en-us/library/system.security.cryptography.symmetricalgorithm.aspx
As of the time of this post, the current list includes:
AesManaged
RijndaelManaged
DESCryptoServiceP...
How to replace part of string by position?
..., then the thing you want to avoid here are allocations. And if you're on .Net Core 2.1+ (or the, as yet unreleased, .Net Standard 2.1), then you can, by using the string.Create method:
public static string ReplaceAt(this string str, int index, int length, string replace)
{
return string.Create...
using lodash .groupBy. how to add your own keys for grouped output?
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lodash 3.10.0 and some logging for every step: jsfiddle.net/plantface/WYCF8/171. It's still a puzzle, but I'm getting there. Haven't used _.zip and _.pair so much yet.
– Benny Bottema
Jul 31 '15 at 9:24
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increment date by one month
...12-11');
$date->modify('+1 month');
See documentations :
http://php.net/manual/fr/datetime.modify.php
http://php.net/manual/fr/class.datetime.php
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How do you tell the Visual Studio project type from an existing Visual Studio project
...lt;/OutputType>
and do NOT contain a
<ProjectTypeGuids>
ASP.NET and WCF projects contain:
<ProjectTypeGuids>{603c0e0b-db56-11dc-be95-000d561079b0};{349c5851-65df-11da-9384-00065b846f21};{fae04ec0-301f-11d3-bf4b-00c04f79efbc}</ProjectTypeGuids>
<OutputType>Library&lt...
The server committed a protocol violation. Section=ResponseStatusLine ERROR
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Try putting this in your app/web.config:
<system.net>
<settings>
<httpWebRequest useUnsafeHeaderParsing="true" />
</settings>
</system.net>
If this doesn't work you may also try setting the KeepAlive property to false.
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catch exception that is thrown in different thread
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In .NET 4 and above, you can use Task<T> class instead of creating new thread. Then you can get exceptions using .Exceptions property on your task object.
There are 2 ways to do it:
In a separate method: // You process ex...
Writing/outputting HTML strings unescaped
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In ASP.NET MVC 3 You should do something like this:
// Say you have a bit of HTML like this in your controller:
ViewBag.Stuff = "<li>Menu</li>"
// Then you can do this in your view:
@MvcHtmlString.Create(ViewBag.Stuff)...