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Shared-memory objects in multiprocessing

... Just to note, on Python fork() actually means copy on access (because just accessing the object will change its ref-count). – Fabio Zadrozny Jun 7 '12 at 17:30 ...
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CSS to make HTML page footer stay at bottom of the page with a minimum height, but not overlap the p

... class has a min-height value that depends on the viewport's height (100vh means 100% of the viewport height) and the footer's height, that I already knew was 40px. That's all I did, and it worked perfectly for me. I haven't tried it in every browser, just Firefox, Chrome and Edge, and the results ...
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What are the disadvantages of using persistent connection in PDO

...ase connections as the one thing that is a bottleneck in your script (this means you've done code profiling using xdebug and/or xhprof), you should not consider persistent connections as a solution to anything. Further, most modern databases (including PostgreSQL) have their own preferred ways of p...
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How to filter NSFetchedResultsController (CoreData) with UISearchDisplayController/UISearchBar

...y path and cache name if appropriate. // nil for section name key path means "no sections". NSFetchedResultsController *aFetchedResultsController = [[NSFetchedResultsController alloc] initWithFetchRequest:fetchRequest ...
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POSTing a @OneToMany sub-resource association in Spring Data REST

...nue must have an Address and an address MUST be associated with a Venue? I mean...to avoid creating an orphaned address which may never be assigned to anything? Maybe Im wrong, but the client app SHOULD NEVER be responsible maintaining consistency within the database. I cannot rely on client app cre...
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E11000 duplicate key error index in mongodb mongoose

...tify people uniquely based on both their phone numbers and email - so this means that both the phone number and the email must be unique for every person. However , there is a problem : I have realized that everyone has a phonenumber but not everyone has an email address . Those that don`t have a...
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How to send a “multipart/form-data” with requests in python?

...orm-data request but are not including any files, you can set a truthy but meaningless value such as {'':''}, and set data= with your request body. If you are doing this, don't provide the Content-Type header yourself; requests will set it for you. You can see the truth check here: github.com/psf/r...
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Are foreign keys really necessary in a database design?

...p the programmer write less code using things like ON DELETE CASCADE. This means that if you have one table containing users and another containing orders or something, then deleting a user could automatically delete all orders that point to that user. ...
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AngularJS: Injecting service into a HTTP interceptor (Circular dependency)

... //if server returns 401 despite user being authenticated on app side, it means session timed out on server if (AuthService.isAuthenticated()) { AuthService.appLogOut(); } $location.path('/login'); ...
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What is the difference between Trap and Interrupt?

... What do you mean, "a bit confusing"? It's very confusing :-) The problem here is that divide by zero is a hardware interrupt (IRQ/vector 0) but the kernel developers have several choices how to handle it. So from a user process, it's a t...