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C++0x has no semaphores? How to synchronize threads?
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You can easily build one from a mutex and a condition variable:
#include <mutex>
#include <condition_variable>
class semaphore
{
private:
std::mutex mutex_;
std::condition_variable condition_;
unsigned long count_ = 0; /...
Removing duplicate rows in vi?
I have a text file that contains a long list of entries (one on each line). Some of these are duplicates, and I would like to know if it is possible (and if so, how) to remove any duplicates. I am interested in doing this from within vi/vim, if possible.
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Unit Testing C Code [closed]
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One unit testing framework in C is Check; a list of unit testing frameworks in C can be found here and is reproduced below. Depending on how many standard library functions your runtime has, you may or not be able to use one...
Exposing database IDs - security risk?
...st danger is what OWASP called "insecure direct object references." If someone discovers the id of an entity, and your application lacks sufficient authorization controls to prevent it, they can do things that you didn't intend.
Here are some good rules to follow:
Use role-based security to control...
Use ffmpeg to add text subtitles [closed]
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This method add subtitle to file as one of stream, so need player support to show subtitle(such as VLC)
– BollMose
Sep 28 '15 at 7:59
1
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Undo a merge by pull request?
Someone accepted a pull request which they shouldn't have. Now we have a bunch of broken code merged in. How do you undo a pull request? I was just going to revert the changes to the commit just before the merge, but I noticed that it merged in a bunch of commits. So now there are all these commits ...
Filter dict to contain only certain keys?
...ested in a select few of them. Is there an easy way to prune all the other ones out?
15 Answers
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How do you use the ? : (conditional) operator in JavaScript?
Can someone please explain to me in simple words what is the ?: (conditional, "ternary") operator and how to use it?
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Can you provide some examples of why it is hard to parse XML and HTML with a regex? [closed]
One mistake I see people making over and over again is trying to parse XML or HTML with a regex. Here are a few of the reasons parsing XML and HTML is hard:
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How to completely uninstall Visual Studio 2010?
...ess the issue in late 2015 by releasing VisualStudioUninstaller.
They abandoned the solution for a while; however work has begun again again as of April 2016.
There has finally been an official release for this uninstaller in April 2016 which is described as being "designed to cleanup/scorch all Pre...