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Why are my basic Heroku apps taking two seconds to load?
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Pinging your server to keep it from idling is crapping in your own nest. These services you are talking about are free. They need to conserve resources. If everyone pings their server, none get swapped out, and the provider has to scale up. That costs ...
Graph visualization library in JavaScript
...y upper end, so my guess is that performance isn't going to be a big deal. Ideally, I'd like to be able to hook it in with jQuery so that users can tweak the layout manually by dragging the nodes around.
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Return from lambda forEach() in java
... not use orElse(null) on an Optional. The main point of Optional is to provide a way to indicate the presence or absence of a value instead of overloading null (which leads to NPEs). If you use optional.orElse(null) it buys back all of the problems with nulls. I'd use it only if you can't modify the...
Purpose of #!/usr/bin/python3
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@winklerrr Yes, it's more widely used.
– MerreM
Nov 25 '19 at 14:37
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How can I access “static” class variables within class methods in Python?
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@Constantin -- I didn't realize that, it's an interesting distinction. Thanks for the correction :-)
– bedwyr
Apr 3 '09 at 1:14
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C# Thread safe fast(est) counter
...ange from 0 to 1,000 are required to generate 1,000 random numbers with a midpoint value. To keep track of the number of midpoint values, a variable, midpointCount, is set equal to 0 and incremented each time the random number generator returns a midpoint value until it reaches 10,000. Because three...
Is there something like Annotation Inheritance in java?
...ted elements. The Spring class is also powerful enough to search through bridged methods, proxies, and other corner-cases, particularly those encountered in Spring.
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JavaScript function order: why does it matter?
...ubbish.
Function hoisting is a feature in JavaScript because it is a good idea.
When you have an internal function which is often the utility of inner functions, adding it to the beginning of the outer function is an acceptable style of writing code, but it does have the drawback that you have to...
using gitignore to ignore (but not delete) files
...ing your changes will apply the removal. I don't think there's a way to avoid that from your own repository. You must do something on the other repositories, or accept the files will be removed.
To prevent the removal on each other repository you can:
(obviously) backup the files somewhere, pull ...
How do I convert a hexadecimal color to rgba with the Less compiler?
...:
background: none\9; // Only Internet Explorer 8
filter: e(%("progid:DXImageTransform.Microsoft.gradient(startColorstr='%d', endColorstr='%d')", argb(@rgba-color),argb(@rgba-color))); // Internet Explorer 9 and down
// Problem: Filter gets applied twice in Internet Explorer 9.
// So...