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How many GCC optimization levels are there?
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To be pedantic, there are 8 different valid -O options you can give to gcc, though there are some that mean the same thing.
The original version of this answer stated there were 7 options. GCC has since added -Og to bring the total to 8
From the ma...
running Rails console in production
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182
if you're running rails 3.0 or greater, you can also use
rails console production
productio...
What is Vim recording and how can it be disabled?
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1086
You start recording by q<letter>
and you can end it by typing q again.
Recording is a re...
How to check if field is null or empty in MySQL?
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edited Mar 30 '18 at 5:18
answered Jul 24 '13 at 11:39
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HintPath vs ReferencePath in Visual Studio
...to this MSDN blog: https://blogs.msdn.microsoft.com/manishagarwal/2005/09/28/resolving-file-references-in-team-build-part-2/
There is a search order for assemblies when building. The search order is as follows:
Files from the current project – indicated by ${CandidateAssemblyFiles}.
$(Reference...
Convert Go map to json
...conv.Itoa.
See this post for more details: https://stackoverflow.com/a/24284721/2679935
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How to open files relative to home directory
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answered Mar 24 '10 at 0:48
RoadmasterRoadmaster
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Why is a boolean 1 byte and not 1 bit of size?
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Actually, the four x86 instructions bt, bts, btr and btc can address single bits!
– fredoverflow
Jan 7 '11 at 16:07
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Apache Tomcat Not Showing in Eclipse Server Runtime Environments
I have tomcat 5.5 installed, running and verifiable at http://localhost:8080/ . The Tomcat menu option appears in the Eclipse menu bar and I can start and stop Tomcat from there. In Eclipse, it does not show as a Server Runtime Environment in Window - Preferences - Server - Runtime Environments, no...
Get all child views inside LinearLayout at once
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285
Use getChildCount() and getChildAt(int index).
Example:
LinearLayout ll = …
final int child...