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PHP: exceptions vs errors?

...ere in the PHP manual, but what exactly is the difference between an error and an exception? The only difference that I can see is that errors and exceptions are handled differently. But what causes an exception and what causes an error? ...
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How can I change my Cygwin home folder after installation?

I just installed Cygwin, and it looks like the home directory in the bash prompt is on my Z: drive. That's not where I want it. ...
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How to run functions in parallel?

I researched first and couldn't find an answer to my question. I am trying to run multiple functions in parallel in Python. ...
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Why must a nonlinear activation function be used in a backpropagation neural network? [closed]

I've been reading some things on neural networks and I understand the general principle of a single layer neural network. I understand the need for aditional layers, but why are nonlinear activation functions used? ...
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Convert PHP closing tag into comment

...enate the string from two pieces. This way, the closing tag is cut in two, and is not a valid closing tag anymore. '?>' --> '?'.'>' In your code: $string = preg_replace('#<br\s*/?'.'>(?:\s*<br\s*/?'.'>)+#i', '<br />', $string); This will make // comments work. For /*...
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C programming in Visual Studio

...t menu I can choose between Visual Basic, Visual C#, Visual C++, Visual F# and others but I don't see "C" or "Visual C". 6 ...
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Why historically do people use 255 not 256 for database field magnitudes?

...ric reason why? I assume it's something to do with paging / memory limits, and performance but the distinction between 255 and 256 has always confused me. ...
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How can one use multi threading in PHP applications

... force the operating system to load another instance of the PHP executable and handle other simultaneous processes. 18 Answ...
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What did MongoDB not being ACID compliant before v4 really mean?

I am not a database expert and have no formal computer science background, so bear with me. I want to know the kinds of real world negative things that can happen if you use an old MongoDB version prior to v4 , which were not ACID compliant. This applies to any ACID noncompliant database. ...
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Revert to Eclipse default settings

...nces>Java>Editor. Click on Syntax Coloring. Click "Restore Defaults" and "Apply". Then, navigate to General>Editors. Click on Text Editors. Click on "Restore Defaults" and "Apply". I had the same issue and the above steps cleared up my problem. Also, the Show line numbers check box is on t...