isnullorempty

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?? operator in system.DBNull

Is there an operator or built in function to simplyfy this: myVal = object1.object2.something(a,b).dataColumn.toString()==\"\"?object1.object2.something(a,b).dataColumn.toString():\"-\";[详细]

2023-03-15 01:55 分类：问答
.NET built-in function that combines String.IsNullOrEmpty and String.IsNullOrWhiteSpace [closed]

This question is unlikely to help any future visitors; it is only relevant to a small geographic area, a specific moment in time,or an extraordinarily narrow situation that is not generally applic[详细]

2023-02-25 15:56 分类：问答
'IsNullOrWhitespace' in JavaScript?

Is there a JavaScript equivalent to .NET\'s String.IsNullOrWhitespace so that I can check if a textbox on the client-side has开发者_开发百科 any visible text in it?[详细]

2023-02-22 02:28 分类：问答
string.IsNullOrEmpty() Doesn't Seem to Work on a String within a Class within a Class

First off, I think I know what\'s going on, but I thought I\'d bring this issue up here for some discussion and see if anyone has an \"answer\" to this other than what I\'m thinking.Because, it doesn\[详细]

2023-02-16 10:23 分类：问答
SQLite select where empty?

In SQLite, how can I select records where some_column is empty? Empty counts as开发者_如何学Python both NULL and "".There are several ways, like:[详细]

2023-01-14 16:42 分类：问答
android: test app on a real device

My client wants to dogfood my android app. They don\'t have eclipse and don\'t want to install it. Is there a more convenient way to send my apk to them? Can I send it via email an开发者_JS百科d let t[详细]

2022-12-27 06:00 分类：问答
C# String.IsNullOrEmpty: good or bad?

After an incident at work where I misused String.IsNullOrEmpty with a Session variable, a fellow coworker of mine now refuses to accept my usage of String.IsNullOrEmpty. After some research, apparentl[详细]

2022-12-10 14:25 分类：问答