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When to use an assertion and when to use an exception

Most of the time I will use an exception to check for a condition in my code, I wonder when it is an appropriate time to use an assertion? ...
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Check if a string is html or not

I have a certain string for which I want to check if it is a html or not. I am using regex for the same but not getting the proper result. ...
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Deciding between HttpClient and WebClient

Our web app is running in .Net Framework 4.0. The UI calls controller methods through ajax calls. 7 Answers ...
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Cross-thread operation not valid: Control accessed from a thread other than the thread it was create

I have a scenario. (Windows Forms, C#, .NET) 22 Answers 22 ...
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How to assign the output of a Bash command to a variable? [duplicate]

I have a problem putting the content of pwd command into a shell variable that I'll use later. 5 Answers ...
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Writing string to a file on a new line every time

I want to append a newline to my string every time I call file.write() . What's the easiest way to do this in Python? 10 A...
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How to send an email with Python?

This code works and sends me an email just fine: 11 Answers 11 ...
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Unrecognized SSL message, plaintext connection? Exception

I have a java complied package to speak with the https server on net. Running the compilation gives the following exception: ...
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How do I remove a key from a JavaScript object? [duplicate]

...lete operator allows you to remove a property from an object. The following examples all do the same thing. // Example 1 var key = "Cow"; delete thisIsObject[key]; // Example 2 delete thisIsObject["Cow"]; // Example 3 delete thisIsObject.Cow; If you're interested, read Understanding Delete ...
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How to change the height of a ?

I have a big paragraph of text that is divided into subparagraphs with <br> 's: 33 Answers ...