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R command for setting working directory to source file location in Rstudio
...uments/proyect1").
Once you set that, you can navigate to a subdirectory: read.csv("DATA/mydata.csv"). Is the same as read.csv("D:/Documents/proyect1/DATA/mydata.csv").
If you want to navigate to a parent folder, you can use "../".
For example: read.csv("../olddata/DATA/mydata.csv") which is the ...
Use of var keyword in C#
...
I still think var can make code more readable in some cases. If I have a Customer class with an Orders property, and I want to assign that to a variable, I will just do this:
var orders = cust.Orders;
I don't care if Customer.Orders is IEnumerable<Order>...
How to make shallow git submodules?
....20 (Q4 2018) improves on the submodule support, which has been updated to read from the blob at HEAD:.gitmodules when the .gitmodules file is missing from the working tree.
See commit 2b1257e, commit 76e9bdc (25 Oct 2018), and commit b5c259f, commit 23dd8f5, commit b2faad4, commit 2502ffc, commit ...
Asynchronous shell exec in PHP
...d.
There are other ways to do the same thing, but this is the simplest to read.
An alternative to the above double-redirect:
" &> /dev/null &"
share
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improve this answer
|...
What are the nuances of scope prototypal / prototypical inheritance in AngularJS?
...e parentScope object properties with the same names.
Takeaways:
If we read childScope.propertyX, and childScope has propertyX, then the prototype chain is not consulted.
If we set childScope.propertyX, the prototype chain is not consulted.
One last scenario:
delete childScope.anArray
childSc...
Android: install .apk programmatically [duplicate]
... = new byte[1024];
int len1 = 0;
while ((len1 = is.read(buffer)) != -1) {
fos.write(buffer, 0, len1);
}
fos.close();
is.close();
Intent intent = new Intent(Intent.ACTION_VIEW);
intent.setDataAndType(...
Replacing .NET WebBrowser control with a better browser, like Chrome?
... {
// The user does not have the permissions required to read from the registry key.
}
catch (UnauthorizedAccessException)
{
// The user does not have the necessary registry rights.
}
return result;
...
How do you get a string from a MemoryStream?
...
This sample shows how to read and write a string to a MemoryStream.
Imports System.IO
Module Module1
Sub Main()
' We don't need to dispose any of the MemoryStream
' because it is a managed object. However, just for
' good practic...
Git vs Team Foundation Server [closed]
...interrupt the team it is recommended to use a feature branch and then when ready merge down into the development branch.
– Mike Cheel
Aug 12 '14 at 20:04
9
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How do I execute a string containing Python code in Python?
...e any string with double underscores you are safe. Maybe...
It is hard to read and understand
From http://stupidpythonideas.blogspot.it/2013/05/why-evalexec-is-bad.html (emphasis mine):
First, exec makes it harder to human beings to read your code. In order to figure out what's happening, I don't ...