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Is there a performance difference between i++ and ++i in C++?
...n the following:
00401000 push 0Ah
00401002 push offset string "Value: %d\n" (402104h)
00401007 call dword ptr [__imp__printf (4020A0h)]
So while it's certainly the case that the postfix version could be slower, it may well be that the optimizer will be good enough to ...
What is the shortest function for reading a cookie by name in JavaScript?
...s or tabs will not become visible. You can avoid this issue by storing the string-value from document.cookie in a variable and check if it is unchanged on each access.
– Andreas
Apr 1 '15 at 15:41
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Linux command to print directory structure in the form of a tree
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Beware of the newline character at the end of the first line if copying this directly
– Rahul
Aug 5 '16 at 16:46
2
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Timer function to provide time in nano seconds using C++
....h>
#include <iostream>
using namespace std;
int main (int argc, char** argv)
{
// reset the clock
timespec tS;
tS.tv_sec = 0;
tS.tv_nsec = 0;
clock_settime(CLOCK_PROCESS_CPUTIME_ID, &tS);
...
... <code to check for the time to be put here>
...
...
TypeScript static classes
...
public static myProp = "Hello";
public static doSomething(): string {
return "World";
}
}
const okay = MyClass.doSomething();
//const errors = new MyClass(); // Error
share
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Git Blame Commit Statistics
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git summary provided by the git-extras package is exactly what you need. Checkout the documentation at git-extras - git-summary:
git summary --line
Gives output that looks like this:
project : TestProject
lines : 13397
authors :
8927 John Doe ...
How can I add a help method to a shell script?
...d your option to accept an argument, then you should definitely go for the extra complexity of using getopts.
As a quick reference, I like The 60 second getopts tutorial.†
You may also want to consider the getopt program instead of the built in shell getopts. It allows the use of long options, a...
Visualizing branch topology in Git
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Might I ask where you got the format string from? Or how on earth you concocted that thing?
– elliotwesoff
Oct 6 '16 at 16:38
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ETag vs Header Expires
...s/Cache-control in your headers.
Depending on your needs it may just add extra bytes in your headers which may increase packets which means more TCP overhead. Again, you should see if the overhead of having both things in your headers is necessary or will it just add extra weight in your requests ...
What is the fastest method for selecting descendant elements in jQuery?
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@J-P, I mean it needs to take the extra bit of time to recognize that a scope is being passed to translate it into the $parent.find(".child"); command.
– Aaron Harun
Jul 5 '10 at 7:51
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