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How would one write object-oriented code in C? [closed]

...esign pattern known as "object orientation"; same with garbage collection, and other such. They are so ingrained now, we tend to forget, when they were first being devised, it was in much the same way as with what we think of as design patterns today – Dexygen ...
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When to catch java.lang.Error?

...ome stupid 3rd-party code throwing subclasses of Error, so you'll have to handle those as well. By the way, I'm not sure it isn't possible to recover from OutOfMemoryError. share | improve this ans...
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How to use Oracle ORDER BY and ROWNUM correctly?

...before the order by. So, your desired query is saying "take the first row and then order it by t_stamp desc". And that is not what you intend. The subquery method is the proper method for doing this in Oracle. If you want a version that works in both servers, you can use: select ril.* from (sel...
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How can I pad a value with leading zeros?

...o readers! As commenters have pointed out, this solution is "clever", and as clever solutions often are, it's memory intensive and relatively slow. If performance is a concern for you, don't use this solution! Potentially outdated: ECMAScript 2017 includes String.prototype.padStart and...
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What does MVW stand for?

... It stands indeed for whatever, as in whatever works for you MVC vs MVVM vs MVP. What a controversial topic that many developers can spend hours and hours debating and arguing about. For several years +AngularJS was clos...
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AJAX POST and Plus Sign ( + ) — How to Encode?

I'm POSTing the contents of a form field via AJAX to a PHP script and using JavaScript to escape(field_contents) . The problem is that any plus signs are being stripped out and replaced by spaces. How can I safely 'encode' the plus sign and then appropriately 'decode' it on the PHP side? ...
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Using tags to turn off caching in all browsers? [duplicate]

...er here: How to control web page caching, across all browsers? For IE9 and before Do not blindly copy paste this! The list is just examples of different techniques, it's not for direct insertion. If copied, the second would overwrite the first and the fourth would overwrite the third be...
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Nullable types and the ternary operator: why is `? 10 : null` forbidden? [duplicate]

... The compiler first tries to evaluate the right-hand expression: GetBoolValue() ? 10 : null The 10 is an int literal (not int?) and null is, well, null. There's no implicit conversion between those two hence the error message. If you change the right-hand expression to ...
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Using AES encryption in C#

...soft.com/en-us/library/system.security.cryptography.rijndaelmanaged.aspx And just in case you need the sample in a hurry, here it is in all its plagiarized glory: using System; using System.IO; using System.Security.Cryptography; namespace RijndaelManaged_Example { class RijndaelExample ...
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Does Swift support reflection?

... Swift support reflection? e.g. is there something like valueForKeyPath: and setValue:forKeyPath: for Swift objects? 6...