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Sending email with PHP from an SMTP server

...ail in PHP. I get an error: SMTP server response: 530 SMTP authentication is required . 8 Answers ...
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Detect Safari using jQuery

... Using a mix of feature detection and Useragent string: var is_opera = !!window.opera || navigator.userAgent.indexOf(' OPR/') >= 0; var is_Edge = navigator.userAgent.indexOf("Edge") > -1; var is_chrome = !!window.chrome && !is_opera && !is_Edge; var i...
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Why compile Python code?

... script? You can run them directly from the .py file and it works fine, so is there a performance advantage or something? ...
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What is the point of function pointers?

...ility of function pointers. I guess it may be useful in some cases (they exist, after all), but I can't think of a case where it's better or unavoidable to use a function pointer. ...
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Is Safari on iOS 6 caching $.ajax results?

...are seeing Safari's web view take the liberty of caching $.ajax calls. This is in the context of a PhoneGap application so it is using the Safari WebView. Our $.ajax calls are POST methods and we have cache set to false {cache:false} , but still this is happening. We tried manually adding a ...
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Best practices/performance: mixing StringBuilder.append with String.concat

I'm trying to understand what the best practice is and why for concatenating string literals and variables for different cases. For instance, if I have code like this ...
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Why must wait() always be in synchronized block

We all know that in order to invoke Object.wait() , this call must be placed in synchronized block, otherwise an IllegalMonitorStateException is thrown. But what's the reason for making this restriction? I know that wait() releases the monitor, but why do we need to explicitly acquire the mon...
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Factory Pattern. When to use factory methods?

When is it a good idea to use factory methods within an object instead of a Factory class? 15 Answers ...
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Using ThreadPool.QueueUserWorkItem in ASP.NET in a high traffic scenario

...s was considered best practice, even in ASP.NET, but then I came across this article that seems to suggest otherwise - the argument being that you should leave the ThreadPool to deal with ASP.NET related requests. ...
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Cookies vs. sessions

...eason (that I do not need to store internally information about the user). Is that enough as a reason ? or it's more than that? Could you please tell me about advantages/disadvantages of using cookies for keeping User's ID? ...