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Best practices when running Node.js with port 80 (Ubuntu / Linode) [closed]
....
This allows port 80/443 to remain protected, while still preventing you from serving requests as root:
function drop_root() {
process.setgid('nobody');
process.setuid('nobody');
}
A full working example using the above function:
var process = require('process');
var http = require('ht...
Usages of Null / Nothing / Unit in Scala
...tom type is tied to its ability to express variance in type parameters."). From the article you linked to:
One other use of Nothing is as a return type for methods that never
return. It makes sense if you think about it. If a method’s return
type is Nothing, and there exists absolutely no ...
Can git ignore a specific line?
...I ended up putting my sed-calls in a separate helper.sh file that I called from my gitconfig with sh ".git/helper.sh" making sure to pass through any parameters to sed with "$@" (I assume just the filepath is passed).
– ohaal
Jun 26 '18 at 14:57
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Django ModelForm: What is save(commit=False) used for?
...uld I ever use save(commit=False) instead of just creating a form object from the ModelForm subclass and running is_valid() to validate both the form and model?
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Android Studio rendering problems
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I was able to fix this in Android Studio 0.2.0 by changing API from API 18: Android 4.3 to API 17: Android 4.2.2
This is under the Android icon menu in the top right of the design window.
This was a solution from http://www.hankcs.com/program/mobiledev/idea-this-version-of-the-render...
Does height and width not apply to span?
...d image. In this case a div would actually be more appropriate. -1 removed from Isaac's original comment.
– Brian Scott
Mar 22 '10 at 15:15
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Warning message: In `…` : invalid factor level, NA generated
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If you are reading directly from CSV file then do like this.
myDataFrame <- read.csv("path/to/file.csv", header = TRUE, stringsAsFactors = FALSE)
share
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Draw text in OpenGL ES
...swer is better. That's what I'm currently using. The reason why you switch from standard android vier+canvas to opengl is (amongst others) for speed. Adding a text box over your opengl sort of negates that.
– Shivan Dragon
Feb 18 '12 at 9:19
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What's the difference between git reset --mixed, --soft, and --hard?
...aster (and thus HEAD) now points to B, but the index still has the changes from C; git status will show them as staged. So if we run git commit at this point, we'll get a new commit with the same changes as C.
Okay, so starting from here again:
- A - B - C (master)
Now let's do git reset --mix...
Chrome desktop notification example [closed]
... Chrome 62, permission for the Notification API may no longer be requested from a cross-origin iframe, so we can't demo this using StackOverflow's code snippets. You'll need to save this example in an HTML file on your site/application, and make sure to use localhost:// or HTTPS.
// request per...