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Is there an ExecutorService that uses the current thread?
...mind you) implementation that only uses the current thread. Stealing this from "Java Concurrency in Practice" (essential reading).
public class CurrentThreadExecutor implements Executor {
public void execute(Runnable r) {
r.run();
}
}
ExecutorService is a more elaborate interface...
Best practices for using Markers in SLF4J/Logback
...es"
[Markers] are used for "special" events that you want to have filtered from usual ones
So your assertion that You want to use MDC for this. Markers are for highlighting "special" events--filtering, if you will--rather than "slicing". For example, you might slice based on a particular user, but...
Why doesn't Java allow overriding of static methods?
...ces where there is one. In Java this happens when calling a static method from an object (obj.staticMethod()) -- which is allowed and uses the compile-time types. When the static call is in a non-static method of a class, the "current" object could be a derived type of the class -- but static meth...
Django's SuspiciousOperation Invalid HTTP_HOST header
...r.
There is discussion right now by the Django developers to change this from a 500 internal server error to a 400 response. See this ticket.
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How to open an elevated cmd using command line for Windows?
... same problem and the only way I was able to open the CMD as administrator from CMD was doing the following:
Open CMD
Write powershell -Command "Start-Process cmd -Verb RunAs" and press Enter
A pop-up window will appear asking to open a CMD as administrator
...
Is a RelativeLayout more expensive than a LinearLayout?
...
Relativelayout is more effective than Linearlayout.
From here:
It is a common misconception that using the basic layout structures leads to the most efficient layouts. However, each widget and layout you add to your application requires initialization, layout, and drawing....
What's the (hidden) cost of Scala's lazy val?
...
This is taken from the scala mailing list and gives implementation details of lazy in terms of Java code (rather than bytecode):
class LazyTest {
lazy val msg = "Lazy"
}
is compiled to something equivalent to the following Java code:
...
Generating an Excel file in ASP.NET [closed]
... of Excel (pre-2000)
Write-only, in that once you open it and make changes from Excel it's converted to native Excel.
XLS (generated by third party component)
Pros:
Generate native Excel file with all the formating, formulas, etc.
Cons:
Cost money
Add dependencies
COM Interop
Pros:
Us...
Good way to use table alias in Update statement?
I'm using SQL Server, and trying to update rows from within the same table. I want to use a table alias for readability.
2 ...
how do you push only some of your local git commits?
...commits that I do want to commit, then push master.
After pulling changes from the upstream into my master branch, I git checkout work and git rebase master. That rewrites all my local changes to be at the end of the history.
I'm actually using git svn with this workflow, so my "push" operation in...