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git replacing LF with CRLF
...h
git rm --cached -r .
and re-write git index with
git reset --hard
https://help.github.com/articles/dealing-with-line-endings/#refreshing-a-repository-after-changing-line-endings
Note: this is will remove your local changes, consider stashing them before you do this.
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How to enumerate an enum with String type?
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This post is relevant here https://www.swift-studies.com/blog/2014/6/10/enumerating-enums-in-swift
Essentially the proposed solution is
enum ProductCategory : String {
case Washers = "washers", Dryers = "dryers", Toasters = "toasters"
stat...
Why does Math.round(0.49999999999999994) return 1?
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How to think in data stores instead of databases?
...ise explanation of appengine datastore itself I've ever read. Thank you."
https://github.com/objectify/objectify/wiki/Concepts
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Why must wait() always be in synchronized block
...ds an own copy of the object in its cache. I wrote about this issues here: https://stackoverflow.com/a/21462631 and When a lock holds a non-final object, can the object's reference still be changed by another thread?
Furthermore, I'm convinced that the x-level caches are responsible for most non-re...
Writing a compiler in its own language
...find the virus by looking at the source.
The original source of the idea: https://web.archive.org/web/20070714062657/http://www.acm.org/classics/sep95/
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How can I hash a password in Java?
...ls(saltAndHash[1]);
}
// using PBKDF2 from Sun, an alternative is https://github.com/wg/scrypt
// cf. http://www.unlimitednovelty.com/2012/03/dont-use-bcrypt.html
private static String hash(String password, byte[] salt) throws Exception {
if (password == null || password.len...
Save PL/pgSQL output from PostgreSQL to a CSV file
... CSV HEADER' > groups.csv
Or on a kubernetes cluster, in docker, over HTTPS??:
kubectl exec -t postgres-2592991581-ws2td 'psql -d mydb -c "COPY groups TO STDOUT WITH CSV HEADER"' > groups.csv
So versatile, much commas!
Do you even?
Yes I did, here are my notes:
The COPYses
Using /copy...
How to work with Git branches and Rails migrations
...I wrote for switching between branches that contain different migrations:
https://gist.github.com/4076864
It won't solve all the problems you mentioned, but given a branch name it will:
Roll back any migrations on your current branch which do not exist on the given branch
Discard any changes to ...
Sort Go map values by keys
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