Empty Space (Page 14)

Increase Oracle Tablespace

This problem comes up when running Oracle XE Edition which is intentionally crippled to fuck with you. Hate Oracle databases so much. Find out the current tablespaces raw files. You will need rights, but since this is Oracle XE you should be able to grant or log in as system

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Bash prompt to running container

docker exec -t -i container_name /bin/bash This is important and most likely any container you log into you will be running as root so can make local modifications to a running instance if needed. Note Changes are transient and will disappear on next startup.

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Background Threads & Cancellation Tokens

Start a thread in the background as a fire and forget, but have it check for cancellation in its internal notification loop. ThreadPool use to queue up the delegate that starts the thread threadSource = new CancellationTokenSource(); // Use thead pool to start a background thread ThreadPool.QueueUserWorkItem(NotificationListener, threadSource.Token); Details

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Convention over Configuration

https://mikehadlow.blogspot.se/2012/05/configuration-complexity-clock.html [https://mikehadlow.blogspot.se/2012/05/configuration-complexity-clock.html%5Cn%5CnThis] This [https://mikehadlow.blogspot.se/2012/05/configuration-complexity-clock.html%5Cn%5CnThis] happens every time. Stick to hardcoded values whenever you can and simple configurations as much as possible such as simple ini.

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Reading Async JSON as stream

Knowing that the dataset coming back may be large and will take time to receive as well as decoding the each element as it is parsed from the stream to reduce cpu and memory load Helpful generic HttpClient extension class public static class HttpClientExtensions { private static IEnumerable<T>

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Challenge and Succeed

Inertia and fear of change are how businesses and organizations age and die. To be a learning knowledge based organization these are great points.

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Conditional Callback Function

First attempt. Was going to use .bind(null, functionTarget), but that didn't seem to work and in a hurry to get this done. A pox upon JavaScript and the need to check all the types and properties as there could be a null/undefined in there and also

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Post MVC

This post https://news.realm.io/news/the-post-mvc-age/ clearly explains that the MVC model has reached its endpoint with the rise of Single Page Applications. I would add that http://elm-lang.org should be on this and that both Reactive Extensions and React/Redux work easier in a functional programming

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Git update forked repository from origin/master

Add the remote, call it "upstream": git remote add upstream https://github.com/whoever/whatever.git Fetch all the branches of that remote into remote-tracking branches, such as upstream/master: git fetch upstream Make sure that you're on your master branch: git checkout master Rewrite your

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Scan Active Directory for User Information

Fighting with a way to automatically get a windows authenticated users information from Active Directory. Settled on the following methods. Create a list of lookup functions for things to try private static readonly IReadOnlyCollection<Func<IIdentity, User>> UserLookupFns = new List<Func<IIdentity, User>

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Migrate Subversion Repository to GitHub

First if your subversion repository is internet accessible and has a valid SSL certificate this is easy as GitHub provides an simple import tool, but I don't have either of those on this subversion server so this is the extremely offline and hard way to migrate a repository

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Three questions to ask on upgrading a feature

* Is this used? If not delete code and functionality. * If it is please state an example of use. * Would a constant cover the majority of cases? If so use. This will be used to create a test for verification of completeness.

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ConDep Deployment Details

Install Powershell 3 or higher * Enable-PSRemoting * Make sure to create a local user account that exists in the local administrators group * Add Web Platform Installer so you can add WebDeploy 3.6 at least * Set the local administrator user you added as a web deployment manager for your website * Make

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Auto Update Cron jobs

First line is to renew a ssl certificate from letsencrypt. However this never seems to work because it wants to take exclusive control of the current webservers ports 80, 443, etc. Need to adjust this better. Happens twice a day at 1 minute after 12am and 12pm. The second line

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MS SQL Synchronize Login

If you restore a database and the sql login already exists on your system versus the source system, this can cause SID (Security Identifier) mismatches. The solution is to run a query to reassociate a login for a particular foreign source database which you restored and has the same sql

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Simplest Nginx Load Balancer Config

Put this in the default location for Nginx of /etc/nginx/sites-available/default upstream tiles { server machine1:59005; server machine2:59005; server machine3:59005; server machine4:59005; server machine5:59005; server machine6:59005; server machine7:59005; server machine8:59005; server machine9:59005; server machine10:59005; } server { listen 80; location / { proxy_

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Force clean database log files MS SQL

The interactive tools are not working, but this script will clear a stubborn log file that won't release. Link here http://stackoverflow.com/questions/56628/how-do-you-clear-the-sql-server-transaction-log Assumption: You are in simple mode USE TheDatabase; GO CHECKPOINT; GO CHECKPOINT; -- run twice to ensure file wrap-around GO DBCC SHRINKFILE(

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Systems Administrator Test

I wrote the following test for a Systems Administrator based on tasks I had done or they would be expected to do on a regular basis. Systems Engineer Test: You will have two hours to complete the test. You will need to keep close track of your time. The test

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Function Length as an indicator of issues

Running through some code here and keep seeing other entrenched programmers writing monstrous 150 line methods that are void typed. WHY?! See here for more detail: https://martinfowler.com/bliki/FunctionLength.html The longer the function the closer it becomes to unmaintainable because the more lines you write the more

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Writing Software in an Agile Manner

I joke, but some days it feels like this. Today being one of them.

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Url Rewrite Gotchas, Hints

When creating Internet Information Server url rewrites, which are far different than the standardized Apache and Nginx formats you have access to the graphical editor that is more confusing than helpful, but found this to be helpful when I was debugging a url rewrite hijacking another web applications http requests.

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Promisify Fetch Redux Action Example

Using promises to split or submit parallel ajax fetch statements from a Redux Action First create the general promise handler all this does is resolve the promise contract function by what it is passed. function promiseFetch(url) { return new Promise((resolve, reject) => { fetch(encodeURI(url), Request.GET) .then(response

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The Tenets of Code Development

he best code development practices I have found through experimentation and observation of others are when the following practices are in place. In order of impact and importance. -------------------------------------------------------------------------------- * Isolation - Code that is isolated provides the ability to decompose, replace, refactor, and reorganize without fear of causing unexplained and

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MS Sql Server Memory Optimized Table

You will need to SQL 2012 or higher compatible database and need to create a Memory filestream object for your database. https://docs.microsoft.com/en-us/sql/relational-databases/in-memory-oltp/creating-a-memory-optimized-table-and-a-natively-compiled-stored-procedure There are several restrictions on data types and indexes * No clustered keys * No varchar(max) fields * No spatial or computed

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Screen Capture Options

Wrote an entire WebKitToHtml system previously, but should have used available open source projects like so. Live and learn and take some time to consider alternatives before committing to a plan. Python option https://github.com/paulhammond/webkit2png/ JavaScript Chrome Extension Chrome Store link https://chrome.google.com/webstore/detail/