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How to verify if a file exists in a batch file?
...file does or does not exist:
if exist C:\myprogram\sync\data.handler echo Now Exiting && Exit
if not exist C:\myprogram\html\data.sql Exit
We will take those three files and put it in a temporary place. After deleting the folder, it will restore those three files.
xcopy "test" "C:\temp"
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DateTime.ToString() format that can be used in a filename or extension?
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You can use this:
DateTime.Now.ToString("yyyy-dd-M--HH-mm-ss");
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Dynamically replace the contents of a C# method?
... Update: By including a reference to System.Reflection.Emit, Harmony now compiles and tests OK with .NET Core 3
– Andreas Pardeike
May 2 '19 at 5:48
1
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One SVN repository or many?
...t and branching in the one-repository-multiple-projects setup? I'm working now with a company that has many projects in one repository, each with its own /project/<trunk><branch><tags> folder system. But the engineers have been checking out all projects at once from the root direct...
How to generate keyboard events in Python?
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i have been using this wonderfully, but now i have a small problem, hopefully you can help me - how can i move the mouse X,Y ?
– Inbar Rose
Dec 9 '12 at 18:00
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Downloading a picture via urllib and python
...f the file would be appended. It made sense to me at the time, but I think now I understand what's happening.
– JeffThompson
Nov 3 '14 at 11:41
68
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What are type lambdas in Scala and what are their benefits?
... point[A](a: A): M[A]
def bind[A, B](m: M[A])(f: A => M[B]): M[B]
}
Now, Either is a type constructor of two arguments, but to implement Monad, you need to give it a type constructor of one argument. The solution to this is to use a type lambda:
class EitherMonad[A] extends Monad[({type λ[...
New features in java 7
...new features in java 7 is going to be implemented?
And what are they doing now?
8 Answers
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jQuery vs document.querySelectorAll
...t would be very hard to do in regular javascript .
However , as far as I know, you can achieve the same result with document.querySelector or document.querySelectorAll , which are supported in Internet Explorer 8 and above.
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ImportError: No module named pip
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I am having python2 and 3 on the same machine but for now I wanted to use Python3. Hence I had to modify the comment above to sudo python3 -m pip install matplotlib (I had to do this via sudo, otherwise some folder permission didnt work). (edited the answer correspondingly)
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