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Timer function to provide time in nano seconds using C++
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What others have posted about running the function repeatedly in a loop is correct.
For Linux (and BSD) you want to use clock_gettime().
#include <sys/time.h>
int main()
{
timespec ts;
// clock_gettime(CLOCK_MONOTONIC, &ts);...
Git-Based Source Control in the Enterprise: Suggested Tools and Practices?
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27
I'm the SCM engineer for a reasonably large development organization, and we converted to git f...
How to add a browser tab icon (favicon) for a website?
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edited Apr 27 '15 at 20:04
answered Jan 19 '15 at 17:14
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How to read a large file - line by line?
... # Do something with 'line'
The with statement handles opening and closing the file, including if an exception is raised in the inner block. The for line in f treats the file object f as an iterable, which automatically uses buffered I/O and memory management so you don't have to worry about l...
How does the compilation/linking process work?
...r handles the preprocessor directives, like #include and #define. It is agnostic of the syntax of C++, which is why it must be used with care.
It works on one C++ source file at a time by replacing #include directives with the content of the respective files (which is usually just declarations), do...
print call stack in C or C++
...t/boost_stacktrace.cpp:13
2# main at /home/ciro/test/boost_stacktrace.cpp:27 (discriminator 2)
3# __libc_start_main in /lib/x86_64-linux-gnu/libc.so.6
4# _start in ./boost_stacktrace.out
The output and is further explained on the "glibc backtrace" section below, which is analogous.
Note how my...
How to read contacts on Android 2.0
...t.CommonDataKinds.Phone.NUMBER));
}
phones.close();
}
Cursor emails = getContentResolver().query(ContactsContract.CommonDataKinds.Email.CONTENT_URI, null, ContactsContract.CommonDataKinds.Email.CONTACT_ID + " = " + contactId, null, null);
while (emails.moveT...
Learning assembly [closed]
.... I saw there are a zillion different flavors of assembly, so, for the purposes I mention, how should I start? What kind of assembly should I learn? I want to learn by first doing some easy programs (i.e. a calculator), but the goal itself will be to get accostumed with it so I can understand the co...
How do you use bcrypt for hashing passwords in PHP?
...RjrwAVXD98HNOgsNpDczlqm3Jq7KnEd1rVAGv3Fykk1a
// Usage 2:
$options = [
'cost' => 11
];
echo password_hash('rasmuslerdorf', PASSWORD_BCRYPT, $options)."\n";
// $2y$11$6DP.V0nO7YI3iSki4qog6OQI5eiO6Jnjsqg7vdnb.JgGIsxniOn4C
To verify a user provided password against an existing hash, you may use ...
How does SSL really work?
...t and made it more precise.
TLS Capabilities
"SSL" is the name that is most often used to refer to this protocol, but SSL specifically refers to the proprietary protocol designed by Netscape in the mid 90's. "TLS" is an IETF standard that is based on SSL, so I will use TLS in my answer. These day...