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Copy a file in a sane, safe and efficient way
... sane way:
#include <fstream>
int main()
{
std::ifstream src("from.ogv", std::ios::binary);
std::ofstream dst("to.ogv", std::ios::binary);
dst << src.rdbuf();
}
This is so simple and intuitive to read it is worth the extra cost. If we were doing it a lot, better to f...
Rename a file using Java
...
Copied from http://exampledepot.8waytrips.com/egs/java.io/RenameFile.html
// File (or directory) with old name
File file = new File("oldname");
// File (or directory) with new name
File file2 = new File("newname");
if (file2.exis...
How the single threaded non blocking IO model works in Node.js
...t/context the notified event belongs to and proceed processing the request from there. Note that this will necessarily mean you'll be on a different stack frame from the one that originated the request to the OS as the latter had to yield to a process' dispatcher in order for a single threaded proce...
Is async HttpClient from .Net 4.5 a bad choice for intensive load applications?
...a 1 millisecond to complete. In real world this will always be subjective. From my point of view, something equivalent to a small query on a local network database, can be considered fast, while something equivalent to an API call over the internet, can be considered slow or potentially slow.
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Why use 'git rm' to remove a file instead of 'rm'?
On SVN, removing something from the filesystem directly (rather than using svn) created a load of headaches.
7 Answers
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Github Windows 'Failed to sync this branch'
... of some conflicting changes. I removed the local repository of my project from my desktop and then cloned it again from the github website (using clone option in my account), the error was gone.
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Why is using “for…in” for array iteration a bad idea?
...r (var i = 0; i < a.length; i++) {
// Iterate over numeric indexes from 0 to 5, as everyone expects.
console.log(a[i]);
}
/* Will display:
undefined
undefined
undefined
undefined
undefined
5
*/
can sometimes be totally different from the other:
v...
How to see which commits in one branch aren't in the other?
...ption of that option. It however shows the commits that were cherry-picked from the other branch (for example, "3rd on b" may be cherry-picked from branch A). With this option, such pairs of commits are excluded from the output.
Update As mentioned in a comment, recent versions of git added --cher...
How can we programmatically detect which iOS version is device running on? [duplicate]
...n't handle well minor versions, it's sufficient if you need to recognize 5 from 6, but not 5.0.1 from 5.1.0
– Marek Sebera
Apr 4 '13 at 7:43
3
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How can I inject a property value into a Spring Bean which was configured using annotations?
I have a bunch of Spring beans which are picked up from the classpath via annotations, e.g.
18 Answers
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