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What's the advantage of Logic-less template (such as mustache)?
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In other words, it prevents you from shooting yourself in the foot. In the old JSP days, it was very common to have JSP files sprinkled with Java code, which made refactoring much harder, since you had your code scattered.
If you prevent lo...
Is Integer Immutable
...ted object, just as your Integer is. So the value of a did not mutate, but it was replaced with a completely new object, i.e. new Integer(6).
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Database Design for Revisions?
...quirement in project to store all the revisions(Change History) for the entities in the database. Currently we have 2 designed proposals for this:
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What exactly is Apache Camel?
...ve 5 to 10 minutes, I generally recommend people to read this Integration with Apache Camel by Jonathan Anstey. It's a well written piece which gives a brief introduction to and overview of some of Camel's concepts, and it implements a use case with code samples. In it, Jonathan writes:
Apache C...
When should I use Arrow functions in ECMAScript 6?
...ontext of the upcoming ECMAScript 6 (Harmony) and who have already worked with the language.
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“unmappable character for encoding” warning in Java
I'm currently working on a Java project that is emitting the following warning when I compile:
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How to close tag properly?
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It is correct that <img /> is valid in [X]HTML/XML, though the use of XHTML is very rare nowadays and if your server is serving the pages as text/html all you have to worry about is writing valid HTML. The odds to have ...
How to check task status in Celery?
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@Chris The controversy with @gregor code is in the instantiation of async_result. In your use case you already has the instance, you are good to go. But what happen if you only have the task id, and need to instantiate an async_result instance to be...
Why do people use Heroku when AWS is present? What distinguishes Heroku from AWS? [closed]
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AWS / Heroku are both free for small hobby projects (to start with).
If you want to start an app right away, without much customization of the architecture, then choose Heroku.
If you want to focus on the architecture and to be able to use different web servers, then choose AWS. AWS i...
Underscore prefix for property and method names in JavaScript
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Welcome to 2019!
It appears a proposal to extend class syntax to allow for # prefixed variable to be private was accepted. Chrome 74 ships with this support.
_ prefixed variable names are considered private by convention but are still public...