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Why have header files and .cpp files? [closed]
...o NOT copy/paste, and still declare the symbol... How can we do it? By the include of some text file, which is commonly suffixed by .h, .hxx, .h++ or, my preferred for C++ files, .hpp:
// B.HPP (here, we decided to declare every symbol defined in B.CPP)
void doSomethingElse() ;
// A.CPP
#include "...
AI2 Media Notification
...ations must be assigned to such a channel up from API level 26. Up to and including API Level 25, all information and functions relating to the notification channel are irgnored. The notification concept is quite complex. Android allows settings to be made on the device level as well as on the ch...
What does “static” mean in C?
...
(1) is the more foreign topic if you're a newbie, so here's an example:
#include <stdio.h>
void foo()
{
int a = 10;
static int sa = 10;
a += 5;
sa += 5;
printf("a = %d, sa = %d\n", a, sa);
}
int main()
{
int i;
for (i = 0; i < 10; ++i)
foo();
}
...
Does PNG contain EXIF data like JPG?
...code" described in 4.7.2(C), i.e., "Exif", NULL, and padding byte, are not included.
Note that this is both A) only a few months old (as of writing) and B) an optional extension, not part of the basic specification. Therefore, support for the eXIf chunk might be limited in many applications.
...
Why is string concatenation faster than array join?
....1, Edge 42.17134.1.0.
Note that it is faster even with the array creation included!
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JBoss vs Tomcat again [closed]
...ervlet 3.0). JBoss AS, a 'complete' application server supports Java EE 6 (including Servlet 3.0) in its current version.
Tomcat is fairly lightweight and in case you need certain Java EE features beyond the Servlet API, you can easily enhance Tomcat by providing the required libraries as part of y...
Making HTTP Requests using Chrome Developer tools
...e request
Select Copy > Copy as cURL
Paste to the command line (command includes cookies and headers)
Edit request as needed and run
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iPhone app signing: A valid signing identity matching this profile could not be found in your keycha
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What is CDATA in HTML? [duplicate]
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CDATA is a sequence of characters from the document character set and may include character entities. User agents should interpret attribute values as follows:
Replace character entities with characters,
Ignore line feeds,
Replace each carriage return or tab with a single space.
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Why is “using namespace std;” considered bad practice?
...of your classes is that it forces anyone who wants to use your classes (by including your header files) to also be 'using' (i.e. seeing everything in) those other namespaces.
However, you may feel free to put a using statement in your (private) *.cpp files.
Beware that some people disagree with ...