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What's the difference between including files with JSP include directive, JSP include action and usi
...called headers) and codas
(also called footers) for a group of JSP pages by adding
<include-prelude> and <include-coda> elements respectively within
a <jsp-property-group> element in the Web application web.xml deployment descriptor. Read more here:
• Configuring Implicit...
What is the dependency inversion principle and why is it important?
...bstractions.
As to why it is important, in short: changes are risky, and by depending on a concept instead of on an implementation, you reduce the need for change at call sites.
Effectively, the DIP reduces coupling between different pieces of code. The idea is that although there are many ways o...
How to subtract X day from a Date object in Java?
...a.util.Calendar, and java.text.SimpleTextFormat are now legacy, supplanted by the java.time classes. See Tutorial by Oracle.
– Basil Bourque
Aug 21 '17 at 0:50
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GCC compile error with >2 GB of code
...
The x86-64 ABI used by Linux defines a "large model" specifically to avoid such size limitations, which includes 64-bit relocation types for the GOT and PLT. (See the table in section 4.4.2, and the instruction sequences in 3.5.5 which show how...
Is there a way to cause git-reflog to show a date alongside each entry?
The git-reflog command doesn't by default show a date alongside each entry, which strikes me as a strange oversight; I think this would be very helpful.
...
Format LocalDateTime with Timezone in Java8
...ype (which does not contain any offset) with offset information (indicated by pattern symbol Z). So the formatter tries to access an unavailable information and has to throw the exception you observed.
Solution:
Use a type which has such an offset or timezone information. In JSR-310 this is eithe...
A simple scenario using wait() and notify() in java
...call wait() after being re-scheduled, even though it could make progress.
By synchronizing on a shared object, you can ensure that this problem does not occur, as the second thread's take() call will not be able to make progress until the first thread has actually blocked.
Secondly, you need to pu...
What are the key differences between Scala and Groovy? [closed]
...uniform and sophisticated than Java's.
Groovy is syntactically influenced by Java but semantically influenced more by languages like Ruby.
Scala is syntactically influenced by both Ruby and Java. It is semantically influenced more by Java, SML, Haskell, and a very obscure OO language called gBeta...
Rubymine: How to make Git ignore .idea files created by Rubymine
I use Rubymine for Rails projects. Very often, Rubymine makes changes in .idea/* files that I don't care about. But it keeps preventing me from checking out new branches, and makes my version of .idea/ different from my coworkers.
...
how to exclude null values in array_agg like in string_agg using postgres?
If I use array_agg to collect names, I get my names separated by commas, but in case there is a null value, that null is also taken as a name in the aggregate. For example :
...