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ES6 class variable alternatives

...is syntax working. The notes in the ES wiki for the proposal in ES6 (maximally minimal classes) note: There is (intentionally) no direct declarative way to define either prototype data properties (other than methods) class properties, or instance property Class properties and prototype data proper...
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Does it make sense to do “try-finally” without “catch”?

...you want the currently executing method to still throw the exception while allowing resources to be cleaned up appropriately. Below is a concrete example of handling the exception from a calling method. public void yourOtherMethod() { try { yourMethod(); } catch (YourException ex) {...
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What are sessions? How do they work?

... @user137717 yes that is a possibility if you allow access to the session to literally "every one that presents the correct session id". There are a number of restrictions you can put in place, one of the easiest and most common is to store the client IP in the session: ...
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Maximum Year in Expiry Date of Credit Card

... <?php $y = gmdate("Y"); $x = 20; $max = ($y + $x); while ($y <= $max) { echo "<option value='$y'>$y</option>"; $y = $y + 1; } ?> sh...
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Center a popup window on screen?

...ops = Number((screen.height/2)-(h/2)); window.open("templates/sales/index.php?go=new_sale", '', 'toolbar=no, location=no, directories=no, status=no, menubar=no, scrollbars=no, resizable=no, copyhistory=no, width='+w+', height='+h+', top='+tops+', left='+left); ...
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embedding image in html email

...ere for simple example: oracle-base.com/articles/misc/EmailFromOraclePLSQL.php Note that this link does not show embedded images approach, but has detail to get you going. – tbone Mar 9 '12 at 15:19 ...
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What is the difference between Elastic Beanstalk and CloudFormation for a .NET project?

... They're actually pretty different. Elastic Beanstalk is intended to make developers' lives easier. CloudFormation is intended to make systems engineers' lives easier. Elastic Beanstalk is a PaaS-like layer ontop of AWS's IaaS services ...
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What is the difference between inversedBy and mappedBy?

... @PeterWooster, best practice is to use Annotations, as you have all info about the entity in one place then! – Andreas Linden Jan 22 '13 at 9:57 ...
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HSL to RGB color conversion

... The wikipedia article seems to suggest that only a single value is set to all 3 channels. – Bill Jan 14 '14 at 17:58 10 ...
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What is the difference between the Data Mapper, Table Data Gateway (Gateway), Data Access Object (DA

... skills, and I'm curious what are the differences between these patterns? All of them seem like they are the same thing - encapsulate the database logic for a specific entity so the calling code has no knowledge of the underlying persistence layer. From my brief research all of them typically impl...