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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...
Copy file remotely with PowerShell
...eUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
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
...eUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
Convert Mercurial project to Git [duplicate]
...
You can try using fast-export:
cd ~
git clone https://github.com/frej/fast-export.git
git init git_repo
cd git_repo
~/fast-export/hg-fast-export.sh -r /path/to/old/mercurial_repo
git checkout HEAD
Also have a look at this SO question.
If you're using Mercurial versi...
Grid of responsive squares
...ome content
</div>
</div>
</div>
Fiddle: https://jsfiddle.net/patrickberkeley/noLm1r45/3/
This is tested in FF and Chrome.
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What does extern inline do?
...eUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
How do I upload a file with metadata using a REST web service?
...y fine to upload them both in one request. Sample request would be :
POST https://target.com/myresources/resourcename HTTP/1.1
Accept: application/json
Content-Type: multipart/form-data;
boundary=-----------------------------28947758029299
Host: target.com
-------------------------------28947...