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How are echo and print different in PHP? [duplicate]

... From: http://web.archive.org/web/20090221144611/http://faqts.com/knowledge_base/view.phtml/aid/1/fid/40 Speed. There is a difference between the two, but speed-wise it should be irrelevant which one you use. echo is margi...
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The difference between try/catch/throw and try/catch(e)/throw e

...the stack trace, so that it will appear that the exception has been thrown from this method, from that very line throw e on the method containing that try-catch block. Which one should you use? It really depends on each case. Let's say you have a Person class with a .Save() method that will persis...
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c# open a new form then close the current form?

...intuitive way in my opinion is to simply close form1 and then create form2 from an outside location (i.e. not from within either of those forms). In the case where form1 was created in Main, form2 can simply be created using Application.Run just like form1 before. Here's an example scenario: I need...
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What is a web service endpoint?

... +1 from me, too, and a question: Why not just call it (i.e. so called "endpoint") a "base URI"? Is there a fundamental difference between an "endpoint" and a "base URI"? Thanks. – Withheld ...
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How do I check if a given string is a legal/valid file name under Windows?

...e [a-zA-Z0-9_]+ but it doesn't include many national-specific characters from various languages (e.g. umlauts and so on). What is the best way to do such a check? ...
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Differences between “BEGIN RSA PRIVATE KEY” and “BEGIN PRIVATE KEY”

Hi I was writing a program that imports private keys from a .pem file and create a private key object to use it later.. the problem I have faced is that some pem files header begin with ...
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Creating and Update Laravel Eloquent

...ravel Documentation at : https://laravel.com/docs/5.3/eloquent One example from there is: // If there's a flight from Oakland to San Diego, set the price to $99. // If no matching model exists, create one. $flight = App\Flight::updateOrCreate( ['departure' => 'Oakland', 'destination' => 'S...
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What is the scope of variables in JavaScript?

...ation Styles var Identifiers declared using var have function scope, apart from when they are declared directly in the global context, in which case they are added as properties on the global object and have global scope. There are separate rules for their use in eval functions. let and const Identi...
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What's the Android ADB shell “dumpsys” tool and what are its benefits?

...application affects the overall device! What information can we retrieve from dumpsys shell command and how we can use it If you run dumpsys you would see a ton of system information. But you can use only separate parts of this big dump. to see all of the "subcommands" of dumpsys do: dumpsys | ...
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How do short URLs services work?

... is redirected to will see the referrer (the site that you originally come from) as being the site the TinyUrl link is on (i.e., twitter.com, your own site, wherever the link is). This is just as important, so that site owners can see where people are coming from. This too, would not work if a page ...