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Do threads have a distinct heap?
...far as I know each thread gets a distinct stack when the thread is created by the operating system. I wonder if each thread has a heap distinct to itself also?
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When is .then(success, fail) considered an antipattern for promises?
... @ygoe Indeed. done is a Bluebird thing that was basically deprecated by then+unhandled-rejection detection.
– Bergi
Mar 31 '19 at 18:58
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Should I make HTML Anchors with 'name' or 'id'?
...ook for id="foo", and then will follow to name="foo"
Edit: As pointed out by @hsivonen, in HTML5 the a element has no name attribute. However, the above rules still apply to other named elements.
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What is a proper naming convention for MySQL FKs?
...name.
This naming convention allows me to "guess" the symbolic name just by looking at the table definitions, and in addition it also guarantees unique names.
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Difference between git checkout --track origin/branch and git checkout -b branch origin/branch
...te 'abranch', not a branch with a different name.
(That is, as commented by Sebastian Graf, if the local branch did not exist already.
If it did, you would need git checkout -B abranch origin/abranch)
Note: with Git 2.23 (Q3 2019), that would use the new command git switch:
git switch -c <b...
config.assets.compile=true in Rails production, why not?
The default Rails app installed by rails new has config.assets.compile = false in production.
7 Answers
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List files in local git repo?
... --name-only HEAD
lists all of the already committed files being tracked by your git repo.
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Convert RGB to RGBA over white
...onent, and convert that to an alpha value. Then scale the color components by subtracting the lowest, and dividing by the alpha value.
Example:
152 converts to an alpha value of (255 - 152) / 255 ~ 0.404
152 scales using (152 - 152) / 0.404 = 0
177 scales using (177 - 152) / 0.404 ~ 62
202 scales...
SyntaxError: Use of const in strict mode
... are part of ECMAScript 2015 (a.k.a. ES6 and Harmony), and was not enabled by default in Node.js 0.10 or 0.12. Since Node.js 4.x, “All shipping [ES2015] features, which V8 considers stable, are turned on by default on Node.js and do NOT require any kind of runtime flag.”. Node.js docs has an ove...
Python Logging (function name, file name, line number) using a single file
...sing a dict as the RHS of the % operator. "%(foo)s" % bar will be replaced by whatever the value of bar["foo"] is.
Finally, you can use some introspection tricks, similar to those used by pdb that can log more info:
def autolog(message):
"Automatically log the current function details."
im...