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When is assembly faster than C?
...e is a real world example: Fixed point multiplies on old compilers.
These don't only come handy on devices without floating point, they shine when it comes to precision as they give you 32 bits of precision with a predictable error (float only has 23 bit and it's harder to predict precision loss). ...
How do I do redo (i.e. “undo undo”) in Vim?
In Vim, I did too much undo. How do I undo this (that is, redo)?
10 Answers
10
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What is Inversion of Control?
...tEditor() {
this.checker = new SpellChecker();
}
}
What we've done here creates a dependency between the TextEditor and the SpellChecker.
In an IoC scenario we would instead do something like this:
public class TextEditor {
private IocSpellChecker checker;
public TextEditor(Io...
In Bash, how do I add a string after each line in a file?
How do I add a string after each line in a file using bash? Can it be done using the sed command, if so how?
6 Answers
...
How do you pass arguments to define_method?
... an argument(s) to a method being defined using define_method, how would I do that?
4 Answers
...
Why not use exceptions as regular flow of control?
...of operations
My point : if you use exceptions for normal situations, how do you locate unusual (ie exceptional) situations ?
Of course, there are other strong reasons not to use exceptions too much, especially performance-wise
...
How do I force “git pull” to overwrite local files?
How do I force an overwrite of local files on a git pull ?
45 Answers
45
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How do you do Impersonation in .NET?
...ome good overview of .NET impersonation concepts.
Michiel van Otegem: WindowsImpersonationContext made easy
WindowsIdentity.Impersonate Method (check out the code samples)
Basically you will be leveraging these classes that are out of the box in the .NET framework:
WindowsImpersonationContext ...
Why does Lua have no “continue” statement?
...t workaround is to use goto:
-- prints odd numbers in [|1,10|]
for i=1,10 do
if i % 2 == 0 then goto continue end
print(i)
::continue::
end
This is supported in LuaJIT since version 2.0.1
share
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How to do what head, tail, more, less, sed do in Powershell? [closed]
On windows, using Powershell, what are the equivalent commands to linux's head , tail , more , less and sed ?
7 Answe...