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Deleting elements from std::set while iterating
...M. It does in C++11. In C++17, it takes iterator (const_iterator in C++11) now.
– tartaruga_casco_mole
Jan 23 '18 at 4:15
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Hidden Features of Java
...d it, never heard of it before.
ThreadLocals are typically not so widely known as a way to store per-thread state.
Since JDK 1.5 Java has had extremely well implemented and robust concurrency tools beyond just locks, they live in java.util.concurrent and a specifically interesting example is the j...
Is there a standard sign function (signum, sgn) in C/C++?
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@GMan: GCC only just now (4.5) stopped having cost quadratic to the number of instantiations for template functions, and they are still drastically more expensive to parse and instantiate than manually written functions or the standard C preproce...
Is it possible to modify variable in python that is in outer, but not global, scope?
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Until now, I already have two python tips that are simple, but very helpful: yours is the second one :) Thanks @kindall!
– swdev
Sep 22 '14 at 23:35
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How do I create directory if it doesn't exist to create a file?
... absolute path to a file, and didn't want to deal with splitting the path. Now I know that you can access the Directory from the FileInfo instance.
– Johann
Jan 23 '19 at 22:04
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Primary key or Unique index?
...e a composed primary key (person_id, car_id)?
– unbeknown
Jan 28 '09 at 12:20
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primary key (pers...
Registry Key '…' has value '1.7', but '1.6' is required. Java 1.7 is Installed and the Registry is P
...version and uninstalled the one we were using. Don't ask me why, I don't know. I re-installed Java 1.7 and uninstalled 1.6 along with the JREs.
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What is the difference between task and thread?
...vide a rudimentary example of threads working to complete a task? I don't know if the threads are doing work that are independant between each others or do they do some teamwork calculation?
– pensum
Feb 18 at 2:04
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jQuery check if an input is type checkbox?
... case sensitive: jsfiddle.net/gtza0uuL. It is not with .prop, but I don't know if that can be gauranteed. Note: you can't just do .toLowerCase() either because 'type' may be undefined.
– xr280xr
Jun 29 '15 at 22:49
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Add a new column to existing table in a migration
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As of Laravel 5, this command would now be php artisan make:migration add_paid_to_users
– mikelovelyuk
Apr 9 '15 at 11:29
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