Ubuntu: updates are installed, restart is required
I remember how Linux community used to scoff at Windows for constant restarts and boasted ever longer uptimes: “my server has been running without reboot for 5 years!”. Guess what, […]
JavaScript WTF #1
In ECMA Script 6 toString() function can throw an exception. This makes generating debug output a treacherous minefield. In all other languages I know toString() on built-in objects is safe, and […]
Nuget shenanigans
We have added some Reactive Extensions support to our software. All went well until it went into the automated build. Nuget version 3.3.0.212 could not handle System.Reactive.Core package: it would […]
+1 to Microsoft: Dump file created. It is located at…
I had to create a dump of a misbehaving process on Windows Server 2012 using Task Manager. Not only did it tell me where it put the dump, the file […]
JavaScript WTF #2: the this keyword (part 2)
…Continued from Part 1. Arrow functions ES6 introduces arrow functions, which can take several forms: Besides being a shorter notation for function(), arrow functions have special rule for this. They […]
JavaScript WTF #2: the this keyword (part 1)
Java language specification defines “this” keyword in one sentence. EcmaScript 6 definition of “this” is about a page of pseudo-code spread over several paragraphs, and there is a good reason […]
.NET Framework version hell on build server
TL;DR When building a Visual Studio solution on a build server, make sure that directory C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\.NETFramework contains reference assemblies for ALL .NET versions targeted by your projects. […]
JavaScript WTF #3: Foo.prototype is not prototype of Foo
Consider the following code: Why is it false? Because Foo.prototype is in fact not the prototype of Foo, but the prototype of objects created via expression new Foo(): As for […]
JavaScript WTF #4: undefined vs null
The forth place in the JavaScript WTF competition goes to the amazingly large number of ways to represent lack of value. Most C-like languages have keyword null that means “no […]
JavaScript WTF #5: no map() for iterables
In the last few days I did some formal reading and informal experimenting with EcmaScript6, and compiled the list of its most annoying “features”. The fifth place goes to complete […]