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Object reference not set to an instance of an object.Why doesn't .NET show which object is `null`?

...is will throw a NullReferenceException in the second line and you want to know why .NET doesn't tell you that it was s that was null when the exception was thrown. To understand why you don't get that piece of information you should remember that it is not C# source that executes but rather IL: I...
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What are the key differences between Meteor, Ember.js and Backbone.js? [closed]

Learning Ember.js / Backbone.js has been on my to-do list for a while. Now that Meteor is out, I am just wondering if anyone with experience of Meteor, Ember.js and Backbone.js can summarize the key differences and pros and cons of these three JavaScript frameworks for a person without any experie...
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git diff between cloned and original remote repository

...und/foo/bar.py @@ -1,27 +1,29 @@ - This line is wrong + This line is fixed now - yea! + And I added this line too. Commit locally. $ git commit foo/bar.py -m"I changed stuff" [myfork 9f31ff7] I changed stuff 1 files changed, 2 insertions(+), 1 deletions(-) Now, I'm different than my remote (on ...
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Custom HTTP headers : naming conventions

...ng application protocols to support both names (E.g, x-gzip & gzip are now equivalent). So, the official recommendation is to just name them sensibly without the "X-" prefix. Update 2: On June 2012, the deprecation of recommendation to use the "X-" prefix has become official as RFC 6648. Belo...
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Null coalescing in powershell

... evaluated Null Conditional Assignment $x = $null $x ??= 100 # $x is now 100 $x ??= 200 # $x remains 100 Ternary Operator $true ? "this value returned" : "this expression not evaluated" $false ? "this expression not evaluated" : "this value returned" Previous Versions: No need for ...
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Could not load file or assembly 'Newtonsoft.Json' or one of its dependencies. Manifest definition do

...n the bindingRedirect since that's what the DLL says. This is what I have now: <Reference Include="Newtonsoft.Json, Version=9.0.0.0, Culture=neutral, PublicKeyToken=30ad4fe6b2a6aeed, processorArchitecture=MSIL"> <SpecificVersion>False</SpecificVersion> </Referenc...
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How to change the default GCC compiler in Ubuntu?

...and pointed out by @tripleee's comment: update-alternatives --query gcc Now, note the priority attributed to gcc-4.4 because you'll need to give a higher one to gcc-3.3. To set your alternatives, you should have something like this (assuming your gcc installation is located at /usr/bin/gcc-3.3, a...
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IIS_IUSRS and IUSR permissions in IIS8

...ine): Press OK to add the user With the new user (your domain) selected, now you can safely provide any Modify or Write permissions share | improve this answer | follow ...
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What does “dereferencing” a pointer mean?

...ate, see "More about memory addresses, and why you probably don't need to know" at the end of this answer. When you want to access the data/value in the memory that the pointer points to - the contents of the address with that numerical index - then you dereference the pointer. Different computer...
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No internet on Android emulator - why and how to fix? [closed]

...ator command line solved the issue for me. Android had no internet before, now it has. Running on Win10. I'm puzzled why that command line argument was necessary though? – mipnw Apr 1 '18 at 3:18 ...