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Why does flowing off the end of a non-void function without returning a value not produce a compiler
...h embedded assembler or other tricky methods.
From C++11 draft:
§ 6.6.3/2
Flowing off the end of a function [...] results in undefined behavior in a value-returning function.
§ 3.6.1/5
If control reaches the end of main without encountering a return statement, the effect is that of ex...
Why does Lua have no “continue” statement?
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In Lua 5.2 the best 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
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Can I use conditional statements with EJS templates (in JMVC)?
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172
For others that stumble on this, you can also use ejs params/props in conditional statements:
r...
How do I read image data from a URL in Python?
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294
In Python3 the StringIO and cStringIO modules are gone.
In Python3 you should use:
from PIL ...
Why does GCC generate 15-20% faster code if I optimize for size instead of speed?
I first noticed in 2009 that GCC (at least on my projects and on my machines) have the tendency to generate noticeably faster code if I optimize for size ( -Os ) instead of speed ( -O2 or -O3 ), and I have been wondering ever since why.
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How to create a CPU spike with a bash command
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23 Answers
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NUnit Unit tests not showing in Test Explorer with Test Adapter installed
I've installed NUnit Test Adapter for VS2012 + 2013. When I first installed the Adapter tests were showing up, but they stopped showing up for some reason today. After building, rebuilding, cleaning, restarting, nothing shows up in Test Explorer. Why would this be happening? I'm using VS2013 Ult...
Format a datetime into a string with milliseconds
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12 Answers
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Python: reload component Y imported with 'from X import Y'?
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Alex MartelliAlex Martelli
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git: Your branch is ahead by X commits
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512
If you get this message after doing a git pull remote branch, try following it up with a git fet...