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What are the calling conventions for UNIX & Linux system calls (and user-space functions) on i386 an
Following links explain x86-32 system call conventions for both UNIX (BSD flavor) & Linux:
4 Answers
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How to calculate a time difference in C++
...) - begin_time ) / CLOCKS_PER_SEC;
If you want calculate execution time for self ( not for user ), it is better to do this in clock ticks ( not seconds ).
EDIT:
responsible header files - <ctime> or <time.h>
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C#: Printing all properties of an object [duplicate]
... that the immediate window uses that.
EDIT: I just realized, that the code for ObjectDumper is actually on your machine. Go to:
C:/Program Files/Microsoft Visual Studio 9.0/Samples/1033/CSharpSamples.zip
This will unzip to a folder called LinqSamples. In there, there's a project called ObjectDumper...
_=> what does this underscore mean in Lambda expressions?
...ut and from there, it spills over into other programming languages. It is, for example, also used in Ruby to mean the same thing as in this example, even though _ has absolutely no special significance in Ruby.
– Jörg W Mittag
May 6 '10 at 5:33
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SQlite Getting nearest locations (with latitude and longitude)
...a that you need to evaluate in your java code. Use the following procedure for this purpose:
To have a deterministic threshold and more accurate filter on data, It is better to calculate 4 locations that are in radius meter of the north, west, east and south of your central point in your java code ...
URL encoding the space character: + or %20?
...a (emphasis and link added):
When data that has been entered into HTML forms is submitted, the form field names and values are encoded and sent to the server in an HTTP request message using method GET or POST, or, historically, via email. The encoding used by default is based on a very early ve...
Most efficient way to determine if a Lua table is empty (contains no entries)?
...correct code is
if next(myTable) == nil then
-- myTable is empty
end
For maximum efficiency you'll want to bind next to a local variable, e.g.,
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local next = next
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... if next(...) ...
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Setting up two different static directories in node.js Express framework
...ic" and "homepage": "/public2" to the respective react app's package.json. For more info on using two react apps see my answer here stackoverflow.com/a/48569896/4746648
– Danny Harding
Feb 1 '18 at 21:52
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What is getattr() exactly and how do I use it?
...in advance which attribute you want (it comes from a string). Very useful for meta-programming.
you want to provide a default value. object.y will raise an AttributeError if there's no y. But getattr(object, 'y', 5) will return 5.
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What is the best way to stop people hacking the PHP-based highscore table of a Flash game
...net games and contests. Your Flash code works with users to decide a score for a game. But users aren't trusted, and the Flash code runs on the user's computer. You're SOL. There is nothing you can do to prevent an attacker from forging high scores:
Flash is even easier to reverse engineer than yo...