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Best practices for using Markers in SLF4J/Logback
We are using 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 round up the result of integer division?
...ar of how to display pagination controls, when using a language such as C# or Java.
16 Answers
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How to concatenate string variables in Bash
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foo="Hello"
foo="${foo} World"
echo "${foo}"
> Hello World
In general to concatenate two variables you can just write them one after another:
a='Hello'
b='World'
c="${a} ${b}"
echo "${c}"
> Hello World
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ViewParam vs @ManagedProperty(value = “#{param.id}”)
...based on the set values. Since JSF 2.2 you could use <f:viewAction> for that instead.
Allows for nested <f:converter> and <f:validator> for more fine-grained conversion/validation. Even a <h:message> can be attached.
Can be included as GET query string using includeViewPara...
Setting git parent pointer to a different parent
...ts SHA will change - as will the SHAs of all commits which come after it (more recent than it) in the line of development.
If you're working with other people, and you've already pushed the commit in question public to where they've pulled it, modifying the commit is probably a Bad Idea™. This is ...
Rails: How does the respond_to block work?
...ot stuck at this same code. The parts that I got hung up on were a little more fundamental than some of the answers I found here. This may or may not help someone.
respond_to is a method on the superclass ActionController.
it takes a block, which is like a delegate. The block is from do until end,...
os.path.dirname(__file__) returns empty
I want to get the path of the current directory under which a .py file is executed.
5 Answers
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When should I use jQuery deferred's “then” method and when should I use the “pipe” method?
...hey serve different purposes:
.then() is to be used whenever you want to work with the result of the process, i.e. as the documentation says, when the deferred object is resolved or rejected. It is the same as using .done() or .fail().
You'd use .pipe() to (pre)filter the result somehow. The retur...
How do you serve a file for download with AngularJS or Javascript?
... textarea. When a button is clicked I would like to have the text offered for download as a .txt file. Is this possible using AngularJS or Javascript?
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What happens if I define a 0-size array in C/C++?
...n, it shall have a value greater than zero.
The above text is true both for a plain array (paragraph 1). For a VLA (variable length array), the behavior is undefined if the expression's value is less than or equal to zero (paragraph 5). This is normative text in the C standard. A compiler is not a...