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What exactly do “IB” and “UB” mean?
...ided if you care about portability. A particular implementation can define what happens for specific undefined behavior, and in some cases (especially device drivers and smaller embedded systems) you need to use those things.
– Jerry Coffin
May 4 '10 at 15:53
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What do Clustered and Non clustered index actually mean?
... want to know about Clustered and Non clustered indexes .
I googled and what I found was :
11 Answers
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What does (x ^ 0x1) != 0 mean?
... illustrate the 0 == ( x ^ 0x1 ) expression on binary level:
what? xxxxxxxx (8 bits)
xor 00000001 (hex 0x1 or 0x01, decimal 1)
gives 00000000
---------------------------
the only answer is 00000001
so:
0 == ( x ^ 0x1 ) => x == 1
0 != ( ...
What are the mechanics of short string optimization in libc++?
...y dissected the long/short flag, and the size field in the short form.
what value would __min_cap, the capacity of short strings, take for different architectures?
In the short form, there are 3 words to work with:
1 bit goes to the long/short flag.
7 bits goes to the size.
Assuming char, 1 ...
`testl` eax against eax?
...ade an edit to turn this popular answer into a better canonical answer to "what's this TEST thing all about, and how is it different from CMP", which is sort of implied. See my own answer further down for comments about the semantic meaning of the synonymous JE and JZ. Please review my edit since ...
What does f+++++++++ mean in rsync logs?
...ng. During the process of writing that script I googled around and came to what @mit had written above. I used that information, as well as documentation from other sources, to create my own primer on the bit flags and how to get rsync to output bit flags for all actions (it does not do this by defa...
Enum Naming Convention - Plural
I'm asking this question despite having read similar but not exactly what I want at C# naming convention for enum and matching property
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How do I check if a string is unicode or ascii?
What do I have to do in Python to figure out which encoding a string has?
11 Answers
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How to open the default webbrowser using java
... me. IsDesktopSupported method always returns false on my windows machine. What's the matter?
– krzysiek.ste
Mar 2 '15 at 9:29
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How to throw std::exceptions with variable messages?
This is an example of what I often do when I want to add some information to an exception:
8 Answers
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