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Postgres dump of only parts of tables for a dev snapshot
... mytable WHERE ...) TO '/tmp/myfile.tsv'
COPY mytable FROM 'myfile.tsv'
https://www.postgresql.org/docs/current/static/sql-copy.html
You should consider maintaining a set of development data rather than just pulling a subset of your production. In the case that you're writing unit tests, you co...
Can I use require(“path”).join to safely concatenate urls?
...e case where it doesn't work, etc., you could use this package.
url-join
https://github.com/jfromaniello/url-join
Install
npm install url-join
Usage
var urljoin = require('url-join');
var fullUrl = urljoin('http://www.google.com', 'a', '/b/cd', '?foo=123');
console.log(fullUrl);
Prints:
'...
How to take screenshot with Selenium WebDriver
...re 'selenium-webdriver'
driver = Selenium::WebDriver.for :ie
driver.get "https://www.google.com"
driver.save_screenshot("./screen.png")
more file types and options are available and you can see them in takes_screenshot.rb
...
Installing a dependency with Bower from URL and specify version
...
Use a git endpoint instead of a package name:
bower install https://github.com/jquery/jquery.git#2.0.3
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C# How can I check if a URL exists/is valid?
...de == 200
response.Close();
return (response.StatusCode == HttpStatusCode.OK);
}
catch
{
//Any exception will returns false.
return false;
}
}
From: http://www.dotnetthoughts.net/2009/10/14/how-to-check-remote-file-exists-using-c/
...
window.location.href and window.open () methods in JavaScript
...s example fiddle (in SO snippets window.open doesn't work)
var url = 'https://example.com';
function go1() { window.open(url) }
function go2() { window.location.href = url }
function go3() { location = url }
<div>Go by:</div>
<button onclick="go1()">window.open</...
Is there a unique Android device ID?
... Secure.ANDROID_ID);
Also read Best practices for unique identifiers: https://developer.android.com/training/articles/user-data-ids
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What is the difference between google tag manager and google analytics?
...nfigured using the Tag Manager UI rather than coded in.
cross posted from https://trajano.net/2017/01/migrating-universal-analytics/2/
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Convert an image to grayscale in HTML/CSS
... into a full GitHub repo, including JavaScript polyfill for IE10 and IE11: https://github.com/karlhorky/gray
I originally used SalmanPK's answer, but then created the variation below to eliminate the extra HTTP request required for the SVG file. The inline SVG works in Firefox versions 10 and above...
How does the paste image from clipboard functionality work in Gmail and Google Chrome 12+?
...my project. Hope it helps someone. Logic is same for other cases as-well.
https://gist.github.com/sandeepsuvit/a8ba77faebba260455985504be24aef7
Here is a live implementation:
https://stackblitz.com/edit/angular-f7kcny?file=app/app.component.ts
...