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add column to mysql table if it does not exist
...ers can be found at http://dev.mysql.com/doc/refman/5.0/en/declare-handler.html
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Does Typescript support the ?. operator? (And, what's it called?)
... https://www.typescriptlang.org/docs/handbook/release-notes/typescript-3-7.html#optional-chaining
I can't find any reference to it whatsoever in the TypeScript language specification.
As far as what to call this operator in CoffeeScript, it's called the existential operator (specifically, the "acc...
CSS two divs next to each other
...ut if the right div is set as float:right;, then it must come first in the HTML source. This breaks the left-to-right read order, which could be confusing if the page is displayed with styles turned off. If that's the case, it might be better to use a wrapper div and absolute positioning:
<div i...
How to colorize diff on the command line?
...ght. Not possible it seems, feature request: https://lists.gnu.org/archive/html/diffutils-devel/2017-01/msg00001.html
Related threads:
Using 'diff' (or anything else) to get character-level diff between text files
https://unix.stackexchange.com/questions/11128/diff-within-a-line
https://superuser.c...
How to Display blob (.pdf) in an AngularJS app
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I use AngularJS v1.3.4
HTML:
<button ng-click="downloadPdf()" class="btn btn-primary">download PDF</button>
JS controller:
'use strict';
angular.module('xxxxxxxxApp')
.controller('xxxxController', function ($scope, xxxxServicePD...
Options for embedding Chromium instead of IE WebBrowser control with WPF/C#
... where I compare the memory footprints of different approaches to hosting HTML WebView in a basic Windows Desktop application:
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Keeping ASP.NET Session Open / Alive
...th, 2012
I liked so much of this example, that I want to improve with the HTML/CSS and the beat part
change this
//$("#heartbeat").show().fadeOut(1000); // just a little "red flash" in the corner :)
into
beatHeart(2); // just a little "red flash" in the corner :)
and add
// beat the heart ...
Ruby: How to iterate over a range, but in set increments?
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See http://ruby-doc.org/core/classes/Range.html#M000695 for the full API.
Basically you use the step() method. For example:
(10..100).step(10) do |n|
# n = 10
# n = 20
# n = 30
# ...
end
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Copying PostgreSQL database to another server
...remote to local. More -> https://www.postgresql.org/docs/9.6/app-pgdump.html
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Making the Android emulator run faster
...droid-developers.blogspot.jp/2012/03/updated-sdk-tools-and-adt-revision-17.html
Configuring Virtual Machine Acceleration:
http://developer.android.com/guide/developing/devices/emulator.html#accel-vm
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