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How do I measure time elapsed in Java? [duplicate]
...nd.
Since nanoTime's purpose is to measure elapsed time, it is unaffected by any of these small corrections. It is what you want to use. Any timings currently underway with currentTimeMillis will be off -- possibly even negative.
You may say, "this doesn't sound like it would ever really matter th...
C# vs C - Big performance difference
...hmarking code is flawed too. You need to force it to run the loop, usually by summing up the result or similar, and printing it out at the end)
It seems that what you're measuring is basically "which compiler inserts the most debugging overhead". And turns out the answer is C. But that doesn't tell...
Best introduction to C++ template metaprogramming? [closed]
...ming in C++" from Generative Programming, Methods, Tools, and Applications by Krzysztof Czarnecki and Ulrich W. Eisenecker, ISBN-13: 9780201309775; and chapter 17, "Metaprograms" of C++ Templates: The Complete Guide by David Vandevoorder and Nicolai M. Josuttis, ISBN-13: 9780201734843.
Todd Ve...
How do you check “if not null” with Eloquent?
... out.
I did not have success running:
MyModel::whereNotNull('deleted_by')->get()->all(); // []
MyModel::where('deleted_by', '<>', null)->get()->all(); // []
MyModel::where('deleted_by', '!=', null)->get()->all(); // []
MyModel::wher...
Getting a Custom Objects properties by string var [duplicate]
... Because in this comment "thing" is a string (its surrounded by quotes).
– Rob
Oct 19 '16 at 8:11
if you...
Filtering a data frame by values in a column [duplicate]
...rmal way that matrices are indexed in math: row and then column, separated by a comma. In this case, we're passing a vector of row indices (studentData$Drink == 'water' picks out the rows we're interested in), but since we don't want to restrict which columns we get for those rows (we want all of th...
Is there a way to programmatically tell if particular block of memory was not freed by FastMM?
...t if a block of memory was not freed. Of course, the manager tells me that by dialog box or log file, but what if I would like to store results in a database? For example I would like to have in a database table a names of routines which allocated given blocks.
...
Newline character sequence in CSS 'content' property? [duplicate]
...ce about the escape syntax, which essentially is:
\20AC must be followed by a space if the next character is one of a-f, A-F, 0-9
\0020AC must be 6 digits long, no space needed (but can be included)
NOTE: use \00000a rather than just \A when escaping an arbitrary string, because if the newline i...
How to write a comment in a Razor view?
...isual Studio will markup a comment in the context of the current language, by selecting the text you wish to turn into a comment, and then using the Ctrl+K Ctrl+C shortcut, or if you are using Resharper / Intelli-J style shortcuts, then Ctrl+/.
Server side Comments:
Razor .cshtml
Like so:
@*...
SQL Server : GROUP BY clause to get comma-separated values [duplicate]
...a.ReportId
FOR XML PATH('')), 1, 2, '')
FROM your_table a
GROUP BY ReportId
SQL fiddle demo
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