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@yurydelendik
yurydelendik / gist:f2b846dae7cb29c86d23
Last active March 4, 2025 13:55
PDF.js get/show hightlight
function getHightlightCoords() {
var pageIndex = PDFViewerApplication.pdfViewer.currentPageNumber - 1;
var page = PDFViewerApplication.pdfViewer.getPageView(pageIndex);
var pageRect = page.canvas.getClientRects()[0];
var selectionRects = window.getSelection().getRangeAt(0).getClientRects();
var viewport = page.viewport;
var selected = selectionRects.map(function (r) {
return viewport.convertToPdfPoint(r.left - pageRect.x, r.top - pageRect.y).concat(
viewport.convertToPdfPoint(r.right - pageRect.x, r.bottom - pageRect.y));
});
@staltz
staltz / introrx.md
Last active May 6, 2025 07:45
The introduction to Reactive Programming you've been missing
@hgomez
hgomez / download-java8.sh
Created March 19, 2014 20:39
wget to download Java 8
wget --continue --no-check-certificate -O jdk-8-linux-x64.tar.gz --header Cookie: oraclelicense=a http://download.oracle.com/otn-pub/java/jdk/8-b132/jdk-8-linux-x64.tar.gz
@tototoshi
tototoshi / rownum.sql
Created December 26, 2012 01:14
Grouped LIMIT in PostgreSQL: show the first N rows for each group
-- http://stackoverflow.com/questions/1124603/grouped-limit-in-postgresql-show-the-first-n-rows-for-each-group
-- http://www.postgresql.jp/document/9.2/html/tutorial-window.html
CREATE TABLE empsalary (
depname varchar(10) not null
, empno integer not null
, salary integer not null
);
INSERT INTO empsalary (depname, empno, salary) VALUES ('develop', 11, 5200);