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How to install packages offline?
...r you don't need to use sudo pip….
2) use virtualenv
on online machine select a directory with terminal cd and run this code:
python -m virtualenv myenv
cd myenv
source bin/activate
pip install Flask
after installing all the packages, you have to generate a requirements.txt so while your virt...
How to write :hover condition for a:before and a:after?
...t comes after the pseudo-class (and in fact, at the very end of the entire selector). Notice also that they are two different things; calling them both "pseudo-selectors" is going to confuse you once you run into syntax problems such as this one.
If you're writing CSS3, you can denote a pseudo-eleme...
JavaScript: Check if mouse button down?
...semove='handleMove(this);'>Click and drag me!</div>
The :active selector handles the mouse click much better than mouse up/down, you just need a way of reading that state in the onmousemove event. For that I needed to cheat and relied on the fact that the default cursor is "auto" and I ju...
html onchange event not working
...ck into a field and get a dropdown of previously entered text, and you can select from among your choices using a mouse click. Keystroke trapping will not detect either of these types of changes.
Sadly, there is no "onchange" event that reports changes immediately, at least as far as I know. But th...
How to Copy Contents of One Canvas to Another Canvas Locally
... are building a website that uses lots of image/canvas operations.
// select canvas elements
var sourceCanvas = document.getElementById("some-unique-id");
var destCanvas = document.getElementsByClassName("some-class-selector")[0];
//copy canvas by DataUrl
var sourceImageData = ...
Does Python have a ternary conditional operator?
... This one emphasizes the primary intent of the ternary operator: value selection. It also shows that more than one ternary can be chained together into a single expression.
– Roy Tinker
Oct 4 '10 at 21:14
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How to join multiple lines of file names into one with custom delimiter?
... i just upvoted it, this is and now it has the same votes as the selected answer. THIS IS THE ANSWER. no trailing delimeter
– thebugfinder
Sep 14 '15 at 13:23
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How to initialize a List to a given size (as opposed to capacity)?
...ts of string[10]? string[10] will get garbage collected automatically if L selects the later route.
– RBT
Mar 25 '17 at 4:30
3
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How do I hide javascript code in a webpage?
... is not always working in some code that will make ur website messed up... Select the best part you want to hide like for example in <form> </form>
This can be reverse by advance user but not all noob like me knows it.
Hope this will help
...
Calculate last day of month in JavaScript
...
It's okay, I noticed the selected answer is suggesting the same. This is the fastest and most reliable way and works regardless of the type of the calendar. For example if Date implemented something other than the Gregorian calendar it would still wo...