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How many concurrent AJAX (XmlHttpRequest) requests are allowed in popular browsers?
...er keeps in parallel its maximum number of concurrent ajax allowed all the time. Try my answer below if you want to see in action
– Luis Siquot
Jun 10 '14 at 19:12
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What are the disadvantages of using persistent connection in PDO
... of a transaction, that can block a multitude of tables until the deadlock timer kicks in, and even then, the deadlock timer can kill the newer request instead of the older request that's causing the problem.
If the dead script was in the middle of a transaction, the next script that gets that conn...
How to crop an image in OpenCV using Python
...ne of the comments by user1270710 mentioned that but it took me quite some time to find out (i.e., debugging etc). So, I think it worths mentioning.
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Is it a good practice to place C++ definitions in header files?
...ader, this can allow more clever inlining by the compiler. But at the same time, it can destroy your compile times since all code has to be processed every time it is included by the compiler.
Finally, it is often annoying to have circular object relationships (sometimes desired) when all the code ...
Unique Constraint in Entity Framework Code First
...e's still the possibility of another insert/update slipping in between the time of the uniqueness check and the time of SaveChanges(). So, depending on how mission critical the app is and the liklihood of a uniqueness violation, it's probably best to add the constraint to the database.
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NSDate get year/month/day
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Despite its name, NSDate in and of itself simply marks a point in machine time, not a date. There's no correlation between the point in time specified by an NSDate and a year, month, or day. For that, you have to refer to a calendar. Any given point in time will return different date information ba...
Is it possible to cherry-pick a commit from another git repository?
...hing brings in all of the other repo's changes. This command line is a one-time action.
– Jonathon Reinhart
Jan 4 '17 at 15:05
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how to split the ng-repeat data with three columns using bootstrap
...e.
The problem with this filter is that it returns new nested arrays each time. Angular is watching the return value from the filter. The first time the filter runs, Angular knows the value, then runs it again to ensure it is done changing. If both values are the same, the cycle is ended. If not, t...
std::auto_ptr to std::unique_ptr
...ry, std::unique_ptr is an unbroken std::auto_ptr. It disallows at compile time behaviors that were often errors when using a std::auto_ptr. So if you used std::auto_ptr with the care it needed, switching to std::unique_ptr should be simple. If you relied on std::auto_ptr's odd behavior, then you...
How do I kill all the processes in Mysql “show processlist”?
Because I see a lot of processes there, and the "time" column shows big values for all of them.
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