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How do I load my script into the node.js REPL?
... enter the REPL even if stdin
node -e 'var client = require("./build/main/index.js"); console.log("Use `client` in repl")' -i
Then you can add to package.json scripts
"repl": "node -e 'var client = require(\"./build/main/index.js\"); console.log(\"Use `client` in repl\")' -i",
tested using nod...
PowerShell script to return versions of .NET Framework on a machine?
...mework (latest .NET 4x), change the Where-Object match
# to PSChildName -eq "Full":
Get-ChildItem 'HKLM:\SOFTWARE\Microsoft\NET Framework Setup\NDP' -Recurse |
Get-ItemProperty -name Version, Release -EA 0 |
Where-Object { $_.PSChildName -match '^(?!S)\p{L}'} |
Select-Object @{name = ".NET Fr...
How to deal with persistent storage (e.g. databases) in Docker
...h a nice one-liner:
docker volume rm $(docker volume ls -f dangling=true -q)
# Or using 1.13.x
docker volume prune
Docker 1.8.x and below
The approach that seems to work best for production is to use a data only container.
The data only container is run on a barebones image and actually does no...
Return multiple columns from pandas apply()
...
If the pd.Series needs an index, you need to supply it with pd.Series(data, index=...). Otherwise you get cryptic errors when you try to assign the result back into the parent dataframe.
– smci
Nov 25 '19 at 11:0...
How do I specify local .gem files in my Gemfile?
...tem:
Just put your .gem files in a local directory, then use "gem generate_index" to make it a Gem repository
mkdir repo
mkdir repo/gems
cp *.gem repo/gems
cd repo
gem generate_index
Finally point bundler to this location by adding the following line to your Gemfile
source "file://path/to/repo"
...
Why does Iterable not provide stream() and parallelStream() methods?
...
I see, first of all, thanks a lot for answering the question. I am still curious though why an Iterable<Integer> (I think you are talking about?) would want to return an IntStream. Would the iterable then not rather be a PrimitiveIterator.OfInt? Or do you perhaps mean an...
How update the _id of one MongoDB Document?
... A fun issue with this appears if some field on that document has a unique index. In that situation, your example will fail because a document cannot be inserted with a duplicate value in a unique indexed field. You could fix this by doing the delete first, but that is a bad idea because if your i...
How do I decode HTML entities in Swift?
...hod starts here =====
var result = ""
var position = startIndex
// Find the next '&' and copy the characters preceding it to `result`:
while let ampRange = self[position...].range(of: "&") {
result.append(contentsOf: self[position ..< ampRange...
Ruby, Difference between exec, system and %x() or Backticks
...ackticks style. It will return the output, too. Like its relatives %w and %q (among others), any delimiter will suffice as long as bracket-style delimiters match. This means %x(date), %x{date} and %x-date- are all synonyms. Like backticks %x can make use of string interpolation.
exec
By using Kern...
Checking Bash exit status of several commands efficiently
...ments have spaces in them; use "$@" instead. Similarly, put $1 inside the quotes in the echo command.
– Gordon Davisson
Mar 4 '11 at 16:01
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