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Why use pointers? [closed]

...tionality, missing data types or for pure perfomance. More below... When and where should I use pointers? Short answer here is: Where you cannot use anything else. In C you don't have any support for complex datatypes such as a string. There are also no way of passing a variable "by reference" ...
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What is the difference between buffer and cache memory in Linux?

...ear what's the difference between the two Linux memory concepts : buffer and cache . I've read through this post and it seems to me that the difference between them is the expiration policy: ...
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Phonegap Cordova installation Windows

...ation... here's what i discovered. Ignore the installation documentation and all the command line, node.js stuff (seriously you will waste hours on this. Go to github and simply download the PhoneGap master .zip In that zip are project files for window phone, etc platform... just use those templat...
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How to work with Git branches and Rails migrations

I am working on a rails app with quite a few git branches and many of them include db migrations. We try to be careful but occasionally some piece of code in master asks for a column that got removed/renamed in another branch. ...
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Is there a REAL performance difference between INT and VARCHAR primary keys?

...AR as the primary key for reference lists (think US States, Country Codes) and a coworker won't budge on the INT AUTO_INCREMENT as a primary key for all tables. ...
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Node.js Best Practice Exception Handling

... days ago. I've realized that the Node is terminated whenever I have an unhandled exception in my program. This is different than the normal server container that I have been exposed to where only the Worker Thread dies when unhandled exceptions occur and the container would still be able to receive...
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Should I choose ActivePerl or Strawberry Perl for Windows? [duplicate]

... access to almost all useful Perl modules available on CPAN - but prepared and tested for Windows. This was for me, in the long run, a much better (and more robust) choice. Even for the Windows version of the Apache HTTP server, there is a precompiled mod_perl (2.0.4) ppm available which will (did f...
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Are global variables bad? [closed]

..., it becomes increasingly hard to figure out which functions actually read and write these variables. To understand how the application works, you pretty much have to take into account every function which modifies the global state. That can be done, but as the application grows it will get harder...
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Do HttpClient and HttpClientHandler have to be disposed between requests?

System.Net.Http.HttpClient and System.Net.Http.HttpClientHandler in .NET Framework 4.5 implement IDisposable (via System.Net.Http.HttpMessageInvoker ). ...
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XAMPP - Port 80 in use by “Unable to open process” with PID 4! 12

... Open a CMD prompt as administrator and execute the following command: net stop was /y Open the Run dialog box (press Win+R), then type: services.msc Then search for World Wide Web Publishing Service (WWW-Publishing Service) and Web Deployment Agent Service...