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Simple way to copy or clone a DataRow?
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Apparently Clone() only provides a shallow copy. Do you think that will be enough to create an identical copy or is a deep clone required?
– Paul Matthews
Aug 19 '12 at 11:08
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Edit the root commit in Git?
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@Cupcake: Did you test the old version of the command? It should work fine. The amend is changing the commit message only so the old and new root commits introduce exactly the same changes so the old root commit is skipped automatically...
Wait for all promises to resolve
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The accepted answer is correct. I would like to provide an example to elaborate it a bit to those who aren't familiar with promise.
Example:
In my example, I need to replace the src attributes of img tags with different mirror urls if available before rendering the content.
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How do you do a ‘Pause’ with PowerShell 2.0?
... choices here for clarity... then offer a new variation that I believe provides the best utility.
<1> ReadKey (System.Console)
write-host "Press any key to continue..."
[void][System.Console]::ReadKey($true)
Advantage: Accepts any key but properly excludes Shift, Alt, Ctrl modifier keys.
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Android studio add external project to build.gradle
...n it there are modules, which I'm interested to add as modules to the Android Lib project
– TacB0sS
Jul 5 '13 at 18:35
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Does async(launch::async) in C++11 make thread pools obsolete for avoiding expensive thread creation
...ou're issuing a lot of small function calls, a thread pool might be a good idea.
It's quite apparent that the standard C++ library that ships with g++ doesn't have thread pools. But I can definitely see a case for them. Even with the overhead of having to shove the call through some kind of inter-t...
Can we write our own iterator in Java?
..., a LinkedList) from java.util, you'll need to either subclass it and override its iterator function so that you return your own, or provide a means of wrapping a standard iterator in your special Iterator instance (which has the advantage of being more broadly used), etc.
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Is it possible to declare git repository as dependency in android gradle?
...need to define the repo in the settings.gradle file and map it to a module identifier:
sourceControl {
gitRepository("https://github.com/gradle/native-samples-cpp-library.git") {
producesModule("org.gradle.cpp-samples:utilities")
}
}
And now in your build.gradle you can point to a...
Order discrete x scale by frequency/value
...cyl2)) + geom_bar()
As James pointed out in his answer, reorder is the idiomatic way of reordering factor levels.
mtcars$cyl3 <- with(mtcars, reorder(cyl, cyl, function(x) -length(x)))
ggplot(mtcars, aes(cyl3)) + geom_bar()
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Hibernate openSession() vs getCurrentSession()
... edited Jun 17 '15 at 13:54
Siddharth
8,7191111 gold badges7474 silver badges129129 bronze badges
answered Nov 8 '11 at 10:49
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