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Why a function checking if a string is empty always returns true? [closed]

I have a function isNotEmpty which returns true if the string is not empty and false if the string is empty. I've found out that it is not working if I pass an empty string through it. ...
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Comparing two collections for equality irrespective of the order of items in them

...ctionAssert.AreEquivalent Remarks Two collections are equivalent if they have the same elements in the same quantity, but in any order. Elements are equal if their values are equal, not if they refer to the same object. Using reflector, I modified the code behind AreEquivalent() ...
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How to check if a string contains text from an array of substrings in JavaScript?

Pretty straight forward. In javascript, I need to check if a string contains any substrings held in an array. 21 Answers ...
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How can I determine if a variable is 'undefined' or 'null'?

How do I determine if variable is undefined or null ? 30 Answers 30 ...
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Algorithm for Determining Tic Tac Toe Game Over

...ixed number of moves in a draw tic-tac-toe game once the last move is made if it wasn't a winning move it's by default a draw game. edit: this code is for an n by n board with n in a row to win (3x3 board requries 3 in a row, etc) edit: added code to check anti diag, I couldn't figure out a non lo...
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MQTT物联网协议完全实践指南 · App Inventor 2 中文网

...态处理 when UrsPahoMqttClient1.ConnectionStateChanged newState do if newState = 1 then // 连接成功 set CurrentRetry to 0 set Label_ConnectionStatus.Text to "已连接 - 在线" set Label_ConnectionStatus.TextColor to Green call subscribeToAllTopics ...
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Python: Checking if a 'Dictionary' is empty doesn't seem to work

I am trying to check if a dictionary is empty but it doesn't behave properly. It just skips it and displays ONLINE without anything except of display the message. Any ideas why ? ...
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How can I find WPF controls by name or type?

.... There is a small error in Tri Q's Algorithm. After the child is found, if childrenCount is > 1 and we iterate again we can overwrite the properly found child. Therefore I added a if (foundChild != null) break; into my code to deal with this condition. /// <summary> /// Finds a Child o...
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How can I check if string contains characters & whitespace, not just whitespace?

What is the best way to check if a string contains only whitespace? 9 Answers 9 ...
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How can I check if a string is null or empty in PowerShell?

Is there a built-in IsNullOrEmpty -like function in order to check if a string is null or empty, in PowerShell? 11 Answers...