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Union Vs Concat in Linq
...mpare references of items. Your items have different references, thus they all are considered different. When you cast to base type X, reference is not changed.
If you will override Equals and GetHashCode (used to select distinct items), then items will not be compared by reference:
class X
{
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Why would introducing useless MOV instructions speed up a tight loop in x86_64 assembly?
... in the branch prediction table
moving the branch eliminated the alias and allowed the branch to be predicted correctly
Your Core2 doesn't keep a separate history record for each conditional jump. Instead it keeps a shared history of all conditional jumps. One disadvantage of global branch predic...
Clear Application's Data Programmatically
I want to clear my application's data programmatically.
6 Answers
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C# how to create a Guid value?
...uid();
Hey, its a 'valid', although not very useful, Guid.
(the guid is all zeros, if you don't know. Sometimes this is needed to indicate no guid, in cases where you don't want to use a nullable Guid)
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What is exactly the base pointer and stack pointer? To what do they point?
Using this example coming from wikipedia, in which DrawSquare() calls DrawLine(),
8 Answers
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Can I change the checkbox size using CSS?
...ers no solutions in many cases (no solution to firefox on xp? no chrome at all?), is outdated and only contains a link and a comment of not much value.
– nurettin
Feb 13 '13 at 15:34
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Undo git mv (rename)
...git mv file2 file1
Updates the index for both old and new paths automatically.
Check documentation of git mv
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Install gitk on Mac
Does anyone know how to install gitk on Mac?
13 Answers
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Mac SQLite editor [closed]
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Unless I'm missing something, it doesn't allow you to alter existing tables.
– mahdaeng
Dec 12 '11 at 20:54
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Visual Studio appears to randomly adopt American keyboard layout
Gah! This is really causing me hassle today. Suddenly without warning '@' (at symbol) and '"' (double quote) are trading places on my keyboard but ONLY in Visual Studio 2008!
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