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Big O, how do you calculate/approximate it?
Most people with a degree in CS will certainly know what Big O stands for .
It helps us to measure how well an algorithm scales.
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Manipulate a url string by adding GET parameters
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This approach is good when you know that 'category' parameter is not already in the URL. If the parameter is in a URL already then PHP should take the value of the last occurrence of the parameter in the URL, so the solution of @andrewtweber still works. Ye...
How to make fill height
...e min-height: 1px; instead of height: 1px;
– Matt Leonowicz
Jun 6 '19 at 7:02
???? I am not sure whether I like CSS or...
How to create a JavaScript callback for knowing when an image is loaded?
I want to know when an image has finished loading. Is there a way to do it with a callback?
10 Answers
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Where do I find old versions of Android NDK? [closed]
Does anyone know where I can find older versions of the Android NDK? Our code doesn't build with r6. Surely there must be archived versions somewhere.
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Embed YouTube video - Refused to display in a frame because it set 'X-Frame-Options' to 'SAMEORIGIN'
...6N9782MzFQ (browser's URL).
You should use the embed endpoint, so the URL now should be something like https://www.youtube.com/embed/P6N9782MzFQ. Use this value as the URL in the src attribute inside the iframe tag in your HTML code, for example:
<iframe width="853" height="480" src="https://ww...
sqlite3-ruby install error on Ubuntu
...e3 and libsqlite3-dev
sudo apt-get install sqlite3
libsqlite3-dev
-Now,install sqlite gem
[sudo] gem install sqlite3-ruby
-using Ubuntu doesn't need sudo.
Goodluck! Note: i'm using Ubuntu 10.10 and it's working.
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How can I permanently enable line numbers in IntelliJ?
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In Intellij 14 it's now File -> Settings -> Editor -> General -> Appearance -> Show line numbers. Or Search for "Line Numbers".
– Radu Bompa
Jan 29 '15 at 10:08
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Client on node: Uncaught ReferenceError: require is not defined
...s because require() does not exist in the browser/client-side JavaScript.
Now you're going to have to make some choices about your client-side JavaScript script management.
You have three options:
Use <script> tag.
Use a CommonJS implementation. Synchronous dependencies like Node.js
Use a...
Convert a list to a dictionary in Python
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… or simply zip(i, i), in Python 3, since zip() now returns an iterator.
– Eric O Lebigot
Jan 2 '11 at 0:07
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