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Regular Expressions: Is there an AND operator?

...an use the | (pipe?) to represent OR , but is there a way to represent AND as well? 12 Answers ...
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Objective-C categories in static library

...pp project as direct dependency (target -> general -> direct dependencies) and all works OK, but categories. A category defined in static library is not working in app. ...
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Why does NULL = NULL evaluate to false in SQL server

... in a where clause, it always evaluates to false. This is counterintuitive and has caused me many errors. I do understand the IS NULL and IS NOT NULL keywords are the correct way to do it. But why does SQL server behave this way? ...
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What is the Difference Between read() and recv() , and Between send() and write()?

What is the difference between read() and recv() , and between send() and write() in socket programming in terms of performances, speed and other behaviors? ...
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How do I exit the Vim editor?

I'm stuck and cannot escape. It says: 10 Answers 10 ...
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Why avoid increment (“++”) and decrement (“--”) operators in JavaScript?

... My view is to always use ++ and -- by themselves on a single line, as in: i++; array[i] = foo; instead of array[++i] = foo; Anything beyond that can be confusing to some programmers and is just not worth it in my view. For loops are an exception,...
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How to create P12 certificate for iOS distribution

We have an iOS app whose push notification cert has expired and we're trying to create a new one. I've created new certs in the Provisioning portal (ios_developer.cer, ios_distribution.cer) and downloaded them. I was following instructions here on Stack Overflow to convert it to PEM and then to ...
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What are the undocumented features and limitations of the Windows FINDSTR command?

The Windows FINDSTR command is horribly documented. There is very basic command line help available through FINDSTR /? , or HELP FINDSTR , but it is woefully inadequate. There is a wee bit more documentation online at https://docs.microsoft.com/en-us/windows-server/administration/windows-commands...
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What's the difference between including files with JSP include directive, JSP include action and usi

...se are Java coding elements such as declarations, expressions, scriptlets, and comments. Objects and scopes: JSP objects can be created either explicitly or implicitly and are accessible within a given scope, such as from anywhere in the JSP page or the session. Actions: These create objects or affe...
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Server.UrlEncode vs. HttpUtility.UrlEncode

Is there a difference between Server.UrlEncode and HttpUtility.UrlEncode? 6 Answers 6 ...