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Python: Is it bad form to raise exceptions within __init__?
...n't been properly initialized. Actually it's a very common idiom in C++ to allocate resources in the constructor and deallocate them in the destructor. You suggest that the member object destroys itself (deallocating the resources in its destructor) - then the same issue arises when writing the memb...
Why can't C compilers rearrange struct members to eliminate alignment padding? [duplicate]
...and is much less time consuming than other compiler tasks such as register allocation, function inlining, constant folding, transformation of a switch statement into binary search, etc. Thus the benefits to be gained by allowing the compiler to optimize data structures appear to be less tangible tha...
How to compare 2 files fast using .NET?
...e .NET GC (because it's fundamentally optimized to keep small, short-lived allocations extremely cheap), and in fact could even be optimal when file sizes are expected to be less than 85K, because using a minimum of user code (as shown here) implies maximally delegating file performance issues to th...
How to list active / open connections in Oracle?
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For a more complete answer see:
http://dbaforums.org/oracle/index.php?showtopic=16834
select
substr(a.spid,1,9) pid,
substr(b.sid,1,5) sid,
substr(b.serial#,1,5) ser#,
substr(b.machine,1,6) box,
substr(b.username,1,10) username,
-- b.server,
...
What is the difference between tinyint, smallint, mediumint, bigint and int in MySQL?
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The difference is the amount of memory allocated to each integer, and how large a number they each can store.
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Why are Where and Select outperforming just Select?
...reating a LINQ expression is cheap. Calling delegate functions is cheap. Allocating and looping over an iterator is cheap. But it's even cheaper to not do these things. Thus, if you find that a LINQ statement is the bottleneck in your program, in my experience rewriting it without LINQ will alwa...
iOS UIImagePickerController result image orientation after upload
...lling the CG related API, as that caused leads to a large amount of memory allocation. It will only be released when we no longer retain the UIImage.
– Tony Fung Choi Fung
Mar 14 '17 at 7:01
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SSL certificate rejected trying to access GitHub over HTTPS behind firewall
...test it works by ssh-ing to gitproxy
pti@pti-laptop:~$ ssh github.com
PTY allocation request failed on channel 0
Hi ptillemans! You've successfully authenticated, but GitHub does not provide shell access.
Connection to github.com closed.
pti@pti-laptop:~$
(Note: if you never logged in to g...
“VT-x is not available” when i start my Virtual machine [closed]
....intel.com/… your processor supports VT-x. Try this: itropics.net/index.php/computers/windows/…
– Yax
Mar 30 '11 at 9:48
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How can I propagate exceptions between threads?
...;
try {
std::rethrow_exception(e);
} catch (const std::bad_alloc&) {
puts("Success!");
}
}
I have no idea what I was doing wrong in 2013, but I'm sure it was my fault.]
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