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Comparing date part only without comparing time in JavaScript
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I'm still learning JavaScript, and the only way that I've found which works for me to compare two dates without the time is to use the setHours method of the Date object and set the hours, minutes, seconds and milliseconds to zero. Then compare the two dates.
For example,
date1 = new Date()
da...
How to load images dynamically (or lazily) when users scrolls them into view
...en user scrolls down the page enough to bring them inside the visible viewport region ( upon view source, the page shows X number of <img> tags but they are not fetched from the server straight away ). What is this technique called, how does it work and in how many browsers does it work. And i...
setup.py examples?
...writing setup.py scripts here. (with some examples)
If you'd like a real-world example, I could point you towards the setup.py scripts of a couple major projects. Django's is here, pyglet's is here. You can just browse the source of other projects for a file named setup.py for more examples.
These...
How to create a file in Linux from terminal window? [closed]
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Depending on what you want the file to contain:
touch /path/to/file for an empty file
somecommand > /path/to/file for a file containing the output of some command.
eg: grep --help > randomtext.txt
echo "This is some text" > randomtext.txt
nano /path/to/file or vi /path/to/fi...
What's the valid way to include an image with no src?
...age that I will dynamically populate with a src later with javascript but for ease I want the image tag to exist at pageload but just not display anything. I know <img src='' /> is invalid so what's the best way to do this?
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How do I import other TypeScript files?
When using the TypeScript plugin for vs.net, how do I make one TypeScript file import modules declared in other TypeScript files?
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How to get a file or blob from an object URL?
... = await fetch(url).then(r => r.blob());
The url can be an object url or a normal url.
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Good reasons to prohibit inheritance in Java?
What are good reasons to prohibit inheritance in Java, for example by using final classes or classes using a single, private parameterless constructor? What are good reasons of making a method final?
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Sorting a Python list by two fields
I have the following list created from a sorted csv
7 Answers
7
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Check if a given key already exists in a dictionary and increment it
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You are looking for collections.defaultdict (available for Python 2.5+). This
from collections import defaultdict
my_dict = defaultdict(int)
my_dict[key] += 1
will do what you want.
For regular Python dicts, if there is no value for a gi...