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Why is there huge performance hit in 2048x2048 versus 2047x2047 array multiplication?
...he misses on matice1 are not the problem because they are accessed sequentially.
However for matice2 if a full column fits in L2 (i.e when you access matice2[0, 0], matice2[1, 0], matice2[2, 0] ... etc, nothing gets evicted) than there is no problem with cache misses with matice2 either.
Now to go ...
Simple C example of doing an HTTP POST and consuming the response
...nder of the message.
What I did not do in this sample is any sort of real error checking - when something fails I just exit the program. Let me know if it works for you:
#include <stdio.h> /* printf, sprintf */
#include <stdlib.h> /* exit */
#include <unistd.h> /* read, write, c...
How to manually set an authenticated user in Spring Security / SpringMVC
... MessageResolver messageResolvable
= new MessageBuilder().error()
.source(UserRegistrationFormBean.PROPERTYNAME_EMAIL_ADDRESS)
.code("userRegistration.emailAddress.not.unique")
...
How can I get nth element from a list?
...ype is acceptable as idiomatic Haskell. [1,2,3]!!6 will give you a runtime error. It could very easily be avoided if !! had the type [a] -> Int -> Maybe a. The very reason we have Haskell is to avoid such runtime errors!
– worldsayshi
Apr 14 '15 at 21:08
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Combining C++ and C - how does #ifdef __cplusplus work?
... is described as a linkage issue but that is not quite true - you will get errors from both the compiler and the linker.
The compiler errors will be if you try to use C++ features of prototype declaration such as overloading.
The linker errors will occur later because your function will appear to...
How to run Nginx within a Docker container without halting?
I have Nginx installed on a Docker container, and am trying to run it like this:
9 Answers
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How to achieve function overloading in C?
...f you leave it off and the type doesn't match, it will cause a compilation error.)
The way this is useful for function overloading is that it can be inserted by the C preprocessor and choose a result expression based on the type of the arguments passed to the controlling macro. So (example from the...
How does internationalization work in JavaScript?
...
Localization support in legacy browsers is poor. Originally, this was due to phrases in the ECMAScript language spec that look like this:
Number.prototype.toLocaleString()
Produces a string value that represents the value of the Number formatted according to the
conventions of t...
How do I see the extensions loaded by PHP?
...
Running php -m will give you all the modules, and php -i will give you a lot more detailed information on what the current configuration.
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improv...
Appending the same string to a list of strings in Python
...am trying to take one string, and append it to every string contained in a list, and then have a new list with the completed strings. Example:
...