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How do I write a short literal in C++?
...ong long value)
{
return static_cast<std::uint16_t>(value);
}
void func(std::uint32_t value); // 1
void func(std::uint16_t value); // 2
func(0x1234U); // calls 1
func(0x1234_u); // calls 2
// also
inline std::int16_t operator "" _s(unsigned long long value)
{
return static_cast<s...
How to debug Visual Studio extensions
...ocated at
C:\Program Files (x86)\Microsoft Visual Studio 10.0\Common7\IDE\devenv.exe
On a non x64 machine though you can remove the " (x86)" portion.
Then set the command line arguments to /rootsuffix Exp. This tells Visual Studio to use the experimental hive instead of the normal configu...
“Prevent saving changes that require the table to be re-created” negative effects
....
The problem is that enumerating all of the cases and determining which side of the line they fall on will be quite tedious.
This is why I like to use ALTER TABLE in a query window, instead of visual designers that hide what they're doing (and quite frankly have bugs) - I know exactly what is goi...
Diff output from two programs without temporary files
...
The OP did tag the question bash, but for the record, this doesn't work in any other shell. It's a bash extension to the Posix utility standard.
– DigitalRoss
Sep 27 '10 at 0:46
...
Does the order of LINQ functions matter?
...s matter in terms of performance ? Obviously the results would have to be identical still...
7 Answers
...
What exactly is Arel in Rails 3.0?
...ment for named_scopes. In fact, ARel is pretty much the realization of the idea that "every query is a named_scope". And, whaddayaknow: both were written by the same guy.
and that it uses objects instead of queries.
No, it uses objects as queries.
why is this better?
Ruby is an object-oriented l...
What is the difference between '>' and a space in CSS selectors?
...there are no other elements inbetween).
A B will select any B that are inside A, even if there are other elements between them.
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Create list of single item repeated N times
...rst glance it seems that repeat is the fastest way to create a list with n identical elements:
>>> timeit.timeit('itertools.repeat(0, 10)', 'import itertools', number = 1000000)
0.37095273281943264
>>> timeit.timeit('[0] * 10', 'import itertools', number = 1000000)
0.5577236771712...
Django-DB-Migrations: cannot ALTER TABLE because it has pending trigger events
...
@mgojohn How do you do that?
– pyramidface
Jul 28 '15 at 23:42
1
@pyramidface ...
How to copy from CSV file to PostgreSQL table with headers in CSV file?
...ntly poor SQL form, although this consensus has yet to filter through to epidemiology.
– Achekroud
Nov 18 '15 at 15:51
1
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