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Do I need a content-type header for HTTP GET requests?
...ontent-Type" is part of the representation (i.e. payload) metadata. Quoted from
RFC 7231 section 3.1:
3.1. Representation Metadata
Representation header fields provide metadata about the
representation. When a message includes a payload body, the
representation header fields describe how to inter...
How do I run a Node.js application as its own process?
... systemctl enable myapp.
See logs with journalctl -u myapp
This is taken from How we deploy node apps on Linux, 2018 edition, which also includes commands to generate an AWS/DigitalOcean/Azure CloudConfig to build Linux/node servers (including the .service file).
...
Meaning of numbers in “col-md-4”,“ col-xs-1”, “col-lg-2” in Bootstrap
...arge screens (remaining desktops)
Read the "Grid
Options"
chapter from the official Bootstrap documentation for more details.
You should usually classify a div using multiple column classes so it behaves differently depending on the screen size (this is the heart of what makes bootstrap r...
Android studio: why are minSdkVersion and targetSdkVersion specified both in AndroidManifest.xml and
... build.gradle. You can safely remove
<uses-sdk></uses-sdk>
from manifest as well as version codes.
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How to change value of object which is inside an array using JavaScript or jQuery?
The code below comes from jQuery UI Autocomplete:
23 Answers
23
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Display image as grayscale using matplotlib
...
The following code will load an image from a file image.png and will display it as grayscale.
import numpy as np
import matplotlib.pyplot as plt
from PIL import Image
fname = 'image.png'
image = Image.open(fname).convert("L")
arr = np.asarray(image)
plt.imshow(...
What is the difference between HTTP and REST?
...ost, with RPC you might create services called AddLikeToPost and RemoveLikeFromPost, and manage it along with all your other services related to FB posts, thus you won't need to create special object for Like.
with REST you will have a Like object which will be managed separately with Delete and Cr...
nginx showing blank PHP pages
... fixed it for me. The .conf has one extra configuration parameter missing from _params.
– Malvineous
Jul 6 '13 at 4:12
8
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What's the difference between :: (double colon) and -> (arrow) in PHP?
...xt at the time of the call, meaning these must be true:
the call is made from a context where $this exists and
the class of $this is either the class of the method being called or a subclass of it.
Example:
class A {
public function func_instance() {
echo "in ", __METHOD__, "\n";
...
HTML Entity Decode [duplicate]
...
@chris and @david - This code creates an empty (detached from DOM) div and sets it's innerHTML and finally retrieved back as normal text. It's not surrounding it with a DIV, but putting it in a div. I putting some emphasis over this since it's crucial to understand how jQuery works...