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Why we should not use protected static in java

...able exists at class level, it does not exist separately for each instance and it does not have an independent existence in classes which extend me. Think about what protected means: This variable can be seen by this class, classes in the same package and classes which extend me. The two mea...
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How to send and retrieve parameters using $state.go toParams and $stateParams?

...ou must not use url when setting up your state. I found the answer on a PR and did some monkeying around to better understand. $stateProvider.state('toState', { templateUrl:'wokka.html', controller:'stateController', params: { 'referer': 'some default', 'param2': 'some default', ...
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How can I read inputs as numbers?

Why are x and y strings instead of ints in the below code? 10 Answers 10 ...
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What are the differences between double-dot “..” and triple-dot “…” in Git commit ranges?

Some Git commands take commit ranges and one valid syntax is to separate two commit names with two dots .. , and another syntax uses three dots ... . ...
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Why does the arrow (->) operator in C exist?

... I'll interpret your question as two questions: 1) why -> even exists, and 2) why . does not automatically dereference the pointer. Answers to both questions have historical roots. Why does -> even exist? In one of the very first versions of C language (which I will refer as CRM for "C Refe...
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Why is SELECT * considered harmful?

...s more data to move from the database server to the client, slowing access and increasing load on your machines, as well as taking more time to travel across the network. This is especially true when someone adds new columns to underlying tables that didn't exist and weren't needed when the origina...
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C dynamically growing array

I have a program that reads a "raw" list of in-game entities, and I intend to make an array holding an index number (int) of an indeterminate number of entities, for processing various things. I would like to avoid using too much memory or CPU for keeping such indexes... ...
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What is the difference between “Class.forName()” and “Class.forName().newInstance()”?

What is the difference between Class.forName() and Class.forName().newInstance() ? 9 Answers ...
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Can anyone explain what JSONP is, in layman terms? [duplicate]

... Preface: This answer is over six years old. While the concepts and application of JSONP haven't changed (i.e. the details of the answer are still valid), you should look to use CORS where possible (i.e. your server or API supports it, and the browser support is adequate), as JSONP has in...
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AngularJS : The correct way of binding to a service properties

... Consider some pros and cons of the second approach: 0 {{lastUpdated}} instead of {{timerData.lastUpdated}}, which could just as easily be {{timer.lastUpdated}}, which I might argue is more readable (but let's not argue... I'm giving this poi...