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How costly is .NET reflection?
... fear programmers who fear irrationally - it shows that they don't really know what they're doing and just basing what they do on what other people tell them. cough cargo cult cough
– bsneeze
May 2 '09 at 1:29
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Why is an array not assignable to Iterable?
...rogress on similar things in newer versions of Java, I'd be interested to know in the comments! :)
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How can my iphone app detect its own version number?
...@ (%@)",
appDisplayName, majorVersion, minorVersion];
}
Now revving a minor version manually can be a pain, and so using a source repository revision number trick is ideal. If you've not tied that in (as I hadn't), the above snippet can be useful. It also pulls out the app's displ...
SQL query to find record with ID not in another table
... 20 datas, It works, but when i have 20000 datas, it not work, Iam confuse now.
– Frank
Nov 2 '16 at 3:25
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detect key press in python?
I am making a stopwatch type program in python and I would like to know how to detect if a key is pressed (such as p for pause and s for stop), and I would not like it to be something like raw_input that waits for the user's input before continuing execution. Anyone know how to do this in a while lo...
Protected in Interfaces
...ed interface, but it's never made public in any way, only a few companies know the exact details in private. So, of course, interfaces can have any visibility! Why not in OOP?
– Foo Bar
Jan 21 '18 at 14:14
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What exactly are “spin-locks”?
... performance penalty if the wait time is really short, because your thread now has to wait for a preemption to receive CPU time again.
Besides, kernel objects are not available in every state of the kernel, such as in an interrupt handler or when paging is not available etc.
Spinlocks don't cause pr...
Which is faster: while(1) or while(2)?
...human to read! If I see while(1) in an unfamiliar codebase, I immediately know what the author intended, and my eyeballs can continue to the next line.
If I see while(2), I'll probably halt in my tracks and try to figure out why the author didn't write while(1). Did the author's finger slip on the ...
Getting only response header from HTTP POST using curl
...roblem with -X HEAD is that the server might respond differently, since it now receives a HEAD request instead of a GET (or whatever the previous request was)
– Grav
Aug 24 '16 at 9:44
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Overriding == operator. How to compare to null? [duplicate]
... VS 2017 wants me to use the <i>is</i> operator now: left is null && right is null.
– Rhyous
Mar 31 '18 at 20:15
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