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How do you get the current project directory from C# code when creating a custom MSBuild task?
...You can try one of this two methods.
string startupPath = System.IO.Directory.GetCurrentDirectory();
string startupPath = Environment.CurrentDirectory;
Tell me, which one seems to you better
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if (key in object) or if(object.hasOwnProperty(key)
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what do you mean exactly for in will also return true if key gets found somewhere in the prototype chain. can you write an example? thanks.
– Lorraine Bernard
Nov 29 '12 at 19:20
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Proper usage of Java -D command-line parameters
...the command line help:
java [-options] -jar jarfile [args...]
In other words, the way you've got it at the moment will treat -Dtest="true" as one of the arguments to pass to main instead of as a JVM argument.
(You should probably also drop the quotes, but it may well work anyway - it probably de...
Take all my changes on the current branch and move them to a new branch in Git
I started work on what I thought would be a minor bug fix on my master branch. However, it has spiraled out of control to the point where I wish I had created a separate branch to do the development in the first place.
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Why doesn't JavaScript have a last method? [closed]
...t to consider suggesting a library that would provide the implementation. For example, Underscore.js is a good choice. See documentcloud.github.com/underscore/#last
– Sean Lynch
Oct 3 '11 at 22:37
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C# nullable string error
...ence type and already "nullable".
Nullable<T> and the ? suffix are for value types such as Int32, Double, DateTime, etc.
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How does the keyword “use” work in PHP and can I import classes with it?
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use doesn't include anything. It just imports the specified namespace (or class) to the current scope
If you want the classes to be autoloaded - read about autoloading
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How to sum up elements of a C++ vector?
... are the good ways of finding the sum of all the elements in a std::vector ?
11 Answers
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How to print a stack trace in Node.js?
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Any Error object has a stack member that traps the point at which it was constructed.
var stack = new Error().stack
console.log( stack )
or more simply:
console.trace("Here I am!")
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Display / print all rows of a tibble (tbl_df)
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You could also use
print(tbl_df(df), n=40)
or with the help of the pipe operator
df %>% tbl_df %>% print(n=40)
To print all rows specify tbl_df %>% print(n = Inf)
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