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fatal: Not a valid object name: 'master'

... So, what if I never wanted a branch-pointer called "master" at all? What if I wanted it to be called "main"? There's no way to start off with a different name for the first branch-pointer? No "git init" parameters? Could I maybe go change the name listed in .git/HEAD? A...
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using facebook sdk in Android studio

...h was written for earlier versions of both). If you're running the latest, all you need to do is this: Download the Facebook SDK from https://developers.facebook.com/docs/android/ Unzip the archive In Android Studio 0.5.5 or later, choose "Import Module" from the File menu. In the wizard, set the ...
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How to thoroughly purge and reinstall postgresql on ubuntu? [closed]

Somehow I've managed to completely bugger the install of postgresql on Ubuntu karmic. I want to start over from scratch, but when I "purge" the package with apt-get it still leaves traces behind such that the reinstall configuration doesn't run properly. ...
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Using current time in UTC as default value in PostgreSQL

... I can see a funciton like now_utc() really shines when writing queries – misaxi Nov 1 '15 at 7:04 ...
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Why do 64-bit DLLs go to System32 and 32-bit DLLs to SysWoW64 on 64-bit Windows?

...ve it. SysWoW64 wasn't intended for the dlls of 64-bit systems, it's actually something like "Windows on Windows64", meaning the bits you need to run 32bit apps on a 64bit windows. This article explains a bit: "Windows x64 has a directory System32 that contains 64-bit DLLs (sic!). Thus native p...
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Implications of foldr vs. foldl (or foldl')

... @Desty because it produces new part of its overall result on each step -- unlike foldl, which collects its overall result and produces it only after all the work is finished and there are no more steps to perform. So e.g. foldl (flip (:)) [] [1..3] == [3,2,1], so scanl (f...
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angular.element vs document.getElementById or jQuery selector with spin (busy) control

... '#some-id' ) ); You wrap the Document.querySelector() native Javascript call into the angular.element() call. So you always get the element in a jqLite or jQuery object, depending whether or not jQuery is available/loaded. Official documentation for angular.element: If jQuery is available, angula...
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How to unit test abstract classes: extend with stubs?

... Write a Mock object and use them just for testing. They usually are very very very minimal (inherit from the abstract class) and not more.Then, in your Unit Test you can call the abstract method you want to test. You should test abstract class that contain some logic like all other ...
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Why is it said that “HTTP is a stateless protocol”?

HTTP has HTTP Cookies. Cookies allow the server to track the user state, the number of connections, last connection, etc. 1...
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Passing A List Of Objects Into An MVC Controller Method Using jQuery Ajax

...() { $('#result').html('"PassThings()" successfully called.'); }, failure: function (response) { $('#result').html(response); } }); }); public void PassThings(List<Thing> things) { var t = things; } public class Th...