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.NET HashTable Vs Dictionary - Can the Dictionary be as fast?

I am trying to figure out when and why to use a Dictionary or a HashTable. I have done a bit of a search on here and have found people talking about the generic advantages of the Dictionary which I totally agree with, which leads the boxing and unboxing advantage for a slight performance gain. ...
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What are the differences between local branch, local tracking branch, remote branch and remote track

I just started using Git and I got really confused between different branches. Can anyone help me to figure out what the following branch types are? ...
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Unresolved external symbol in object files

During coding in Visual Studio I got an unresolved external symbol error and I've got no idea what to do. I don't know what's wrong. Could you please decipher me? Where should I be looking for what kind of errors? ...
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How to resize a VirtualBox vmdk file

I've run out of space on a virtual machine disk which is a vmdk and need to resize the virtual image. Resizing with the command ...
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Restricting input to textbox: allowing only numbers and decimal point

How can I restrict input to a text-box so that it accepts only numbers and the decimal point? 32 Answers ...
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What is the difference between Python's list methods append and extend?

What's the difference between the list methods append() and extend() ? 20 Answers 2...
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How does this CSS produce a circle?

...f 180 pixels? Let's reformulate that into two questions: Where do width and height actually apply? Let's have a look at the areas of a typical box (source): The height and width apply only on content, if the correct box model is being used (no quirks mode, no old Internet Explorer). Where d...
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How do I replace text in a selection?

... This frustrated the heck out of me, and none of the above answers really got me what I wanted. I finally found the answer I was looking for, on a mac if you do ⌘ + option + F it will bring up a Find-Replace bar at the bottom of your editor which is local to t...
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Rails extending ActiveRecord::Base

... Create a file in the config/initializers directory called extensions.rb and add the following line to the file: require "active_record_extension" Inheritance (Preferred) Refer to Toby's answer. Monkey patching (Should be avoided) Create a file in the config/initializers directory called act...
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Panel.Dock Fill ignoring other Panel.Dock setting

If you create a panel on a form and set it to Dock=Top and drop another panel and set its Dock=Fill, it may fill the entire form, ignoring the first panel. Changing the tab order does nothing. ...