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What is the dependency inversion principle and why is it important?
...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 of implementing, say, a logging ...
Maintain the aspect ratio of a div with CSS
...
Just create a wrapper <div> with a percentage value for padding-bottom, like this:
.demoWrapper {
padding: 10px;
background: white;
box-sizing: border-box;
resize: horizontal;
border: 1px dashed;
overflow: auto;
max-width: 100%;
height: calc(100vh - 16px);
}
di...
Read/write to Windows registry using Java
How is it possible to read/write to the Windows registry using Java?
24 Answers
24
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How to implement a rule engine?
...on.Call(left, method, right);
}
}
Note that I used 'GreaterThan' instead of 'greater_than' etc. - this is because 'GreaterThan' is the .NET name for the operator, therefore we don't need any extra mapping.
If you need custom names you can build a very simple dictionary and just translate all op...
Trusting all certificates using HttpClient over HTTPS
...ed a question regarding the HttpClient over Https ( found here ). I've made some headway, but I've run into new issues. As with my last problem, I can't seem to find an example anywhere that works for me. Basically, I want my client to accept any certificate (because I'm only ever pointing to one...
eval command in Bash and its typical uses
After reading the bash man pages and with respect to this post .
10 Answers
10
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What is a lambda expression in C++11?
...o replace the struct f. For small simple examples this can be cleaner to read (it keeps everything in one place) and potentially simpler to maintain, for example in the simplest form:
void func3(std::vector<int>& v) {
std::for_each(v.begin(), v.end(), [](int) { /* do something here*/ })...
Error-Handling in Swift-Language
I haven't read too much into Swift but one thing I noticed is that there are no exceptions.
So how do they do error handling in Swift? Has anyone found anything related to error-handling?
...
When to use actors instead of messaging solutions such as WebSphere MQ or Tibco Rendezvous?
I've already read the question and answers to What design decisions would favour Scala's Actors instead of JMS? .
3 Answer...
javax.faces.application.ViewExpiredException: View could not be restored
...w do servlets work? Instantiation, sessions, shared variables and multithreading.
There is also a limit on the amount of views JSF will store in the session. When the limit is hit, then the least recently used view will be expired. See also com.sun.faces.numberOfViewsInSession vs com.sun.faces.numb...