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When to use , tag files, composite components and/or custom components?
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What is the difference between those approaches?
Facelet templates
Use Facelet templates (as in <ui:composition>, <ui:include> and <ui:decorate>) if you want to split main page layout fragments into reuseable templates. E.g. header, menu, cont...
What is an EJB, and what does it do?
...ers over the web or corporate network and somewhat less valuable for small apps within a department.
Reusing/Sharing Logic across multiple applications/clients with Loose Coupling.
EJBs can be packaged in their own jars, deployed, and invoked from lots of places.
They are common components. True,...
When to choose checked and unchecked exceptions
...alid method arguments or buggy method implementation) there is nothing the application can do to fix the problem in mid-execution. The best it can do is log the problem and wait for the developer to fix it at a later time.
Unless the exception you are throwing meets all of the above conditions it ...
Amazon S3 CORS (Cross-Origin Resource Sharing) and Firefox cross-domain font loading
... with Amazon S3 CORS config can shed some lights on this, it'll be greatly appreciated.
<?xml version="1.0" encoding="UTF-8"?>
<CORSConfiguration xmlns="http://s3.amazonaws.com/doc/2006-03-01/">
<CORSRule>
<AllowedOrigin>https://mydomain.com</AllowedOrigin>...
How to avoid isset() and empty()
I have several older applications that throw a lot of "xyz is undefined" and "undefined offset" messages when running on the E_NOTICE error level, because the existence of variables is not explicitly checked using isset() and consorts.
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Best practices for using Markers in SLF4J/Logback
...ng SLF4J+Logback combination at our project for a while now and are quite happy with it, but our logging strategy is fairly simple, using straightforward class based loggers and no fancy stuff like MDC or Markers.
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How to test my servlet using JUnit
...t find bundle for base name javax.servlet.LocalStrings, locale de_DE - It happens during the execution of new MyServlet().doPost(...). Any idea what could be broken?
– Benny Neugebauer
Sep 14 '14 at 15:38
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When to use static vs instantiated classes
...ame). This is a case when global is evil. I had problems with this kind of approach with some component of Zend Framework. There are classes which use static method calls (factories) in order to build objects. It was impossible for me to supply another factory to that instance in order to get a cust...
Why are joins bad when considering scalability?
...em through de-normalisation but if used correctly (joining on columns with appropriate indexes an so on) they are not inherently slow.
De-normalisation is one of many optimisation techniques you can consider if your well designed database schema exhibits performance problems.
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Load view from an external xib file in storyboard
... that loadNibNamed calls init(coder:)? I have a crash trying to adapt your approach.
– Fishman
Nov 14 '16 at 9:15
@Fis...