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How much size “Null” value takes in SQL Server
I have a large table with say 10 columns. 4 of them remains null most of the times. I have a query that does null value takes any size or no size in bytes. I read few articles some of them are saying :
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PHP: How to generate a random, unique, alphanumeric string for use in a secret link?
...unctions, then we can generate highly reliable unique strings. Here is the table showing my research data:
Update:
I created a simple Heroku app using these functions that returns the token as a JSON response. The app can be accessed at https://uniquestrings.herokuapp.com/api/token?length=15
I hope...
Which is generally best to use — StringComparison.OrdinalIgnoreCase or StringComparison.InvariantCul
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Newer .Net Docs now has a table to help you decide which is best to use in your situation.
From MSDN's "New Recommendations for Using Strings in Microsoft .NET 2.0"
Summary: Code owners previously using the InvariantCulture for string comparison,...
What is the difference between CMD and ENTRYPOINT in a Dockerfile?
...mmands.
ENTRYPOINT should be defined when using the container as an executable.
CMD should be used as a way of defining default arguments for an ENTRYPOINT command or for executing an ad-hoc command in a
container.
CMD will be overridden when running the container with alternative arguments....
What is the AppDelegate for and how do I know when to use it?
...cations) or a document singleton (for single document applications)
Button/table/view controllers, view delegate methods or other view handling (except for construction of the top-level view in applicationDidFinishLaunching:) -- this work should be in respective view controller classes.
Many peop...
Bootstrap 3 breakpoints and media queries
...hones, 576px and up)
@media (min-width: 576px) { ... }
// Medium devices (tablets, 768px and up)
@media (min-width: 768px) { ... }
// Large devices (desktops, 992px and up)
@media (min-width: 992px) { ... }
// Extra large devices (large desktops, 1200px and up)
@media (min-width: 1200px) { ... }
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In Markdown, what is the best way to link to a fragment of a page, i.e. #some_id?
...only supported for headers, but at least it could be useful for building a table of contents.
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Why does C++11 not support designated initializer lists as C99? [closed]
...me it has failed
Ben Voigt's comments have helped me to see the insurmountable problems with this approach; given:
struct X {
int c;
char a;
float b;
};
What order would these functions be called in in c99: struct X foo = {.a = (char)f(), .b = g(), .c = h()}? Surprisingly, in c99:
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Compute a confidence interval from sample data
... Careful with the "private" use of sp.stats.t._ppf. I'm not that comfortable with that in there without further explanation. Better to use sp.stats.t.ppf directly, unless you are sure you know what you are doing. On quick inspection of the source there is a fair amount of code skipped with _pp...
Header files for x86 SIMD intrinsics
...The MSVC equivalent of this header <intrin.h>
If you just want portable SIMD, use #include <immintrin.h>
MSVC, ICC, and gcc/clang (and other compilers like Sun I think) all support this header for the SIMD intrinsics documented by Intel's only intrinsics finder / search tool: https:/...