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Determine project root from a running node.js application
...ire('path');
global.appRoot = path.resolve(__dirname);
// lib/moduleA/component1.js
require(appRoot + '/lib/moduleB/component2.js');
Pros & Cons
Works consistently but you have to rely on a global variable, which means that you can't easily reuse components/etc.
process.cwd()
This returns ...
What is the most efficient way to concatenate N arrays?
...g of elements to add to the array can be used instead to add elements from one array to the end of another without producing a new array. With slice() it can also be used instead of concat() but there appears to be no performance advantage from doing this.
var a = [1, 2], b = ["x", "y"];
a.push.app...
A Space between Inline-Block List Items [duplicate]
...se 4px is rendered.
To avoid this you could run all your
lis together in one line, or block
the end tags and begin tags together
like this:
<ul>
<li>
<div>first</div>
</li><li>
<div>first</div>
<...
How to split a comma-separated value to columns
... look for the well-known XML-hack (json and xml details here). Or look for one of the may iTVFs based on recursive CTEs.
– Shnugo
Nov 21 '19 at 10:35
...
CASCADE DELETE just once
... He has the warning on top. If you choose to ignore that, no one can help you. I think your "copyPaste" users are the real danger here.
– BluE
Sep 7 '18 at 11:26
...
How to 'bulk update' with Django?
...ing it to do 10,000 rows at once is not advisable for the reasons you mentioned, but using it to update 50 rows at once is much more efficient than hitting the db with 50 separate update requests.
– nu everest
Aug 29 '16 at 17:03
...
How can I keep Bootstrap popovers alive while being hovered?
...nstances within a single Availability Zone. Using placement groups enables applications to get the full-bisection bandwidth and low-latency network performance required for tightly coupled, node-to-node ...
How do I use DateTime.TryParse with a Nullable?
...
You're right, I was looking for more of a one-liner to get it done, but I suppose this will do. Don't like creating that temp variable, feels messy. :-/ Seems like this scenario should be better supported.
– Brian Sullivan
Oc...
How to search and replace text in a file?
...s out of place. I disagree with the other posters suggesting you read from one file and write to another. Instead, I would read the file into memory, fix the data up, and then write it out to the same file in a separate step.
# Read in the file
with open('file.txt', 'r') as file :
filedata = file...
Overlaying histograms with ggplot2 in R
...ill = utt)) + geom_histogram(alpha = 0.2)
is telling ggplot to construct one histogram using all the values in f0 and then color the bars of this single histogram according to the variable utt.
What you want instead is to create three separate histograms, with alpha blending so that they are visi...