In the life-cycle of my application, I have to re-create an ArrayList that contains other ArrayLists of objects (reading them from storage). The ArrayList is always assigned to the same data member in
I\'m working with a program that runs lengthy SQL queries and stores the processed results in a HashMap. Currently, to get around the slow execution time of each of the 20-200 queries, I am using a fi
When I run the below mentioned code using NetBeans, the allocated heap size graph resembles a sawtooth shape. I am attaching the screen capture from JVisualVM which s开发者_StackOverflow中文版hows the
When running PHP with Apache I know that the php core and all libraries are loaded for each request. However, with PHP CGI, FastCGI, or using PHP-FPM the php process persists for generally 500-1000 re
I have some experience writing C libraries but I\'ve never read any formal documents describing good practices while writing such libraries. My question pertains around mainly 2 topics:
What is the advantage in de-allocating memory i开发者_JAVA技巧n reverse order to variables?Consider this example:
I measure acutal allocated RAM of my Application by DDMS and it\'s cause GC, which shows actual allocated RAM.
I come from a C background, so I admit that I\'m still struggling with letting go of memory management when writing in Java. Here\'s one issue that\'s come up a few times that I would love to get some
For example: 1 $abc = new MyObj(); 2 $abc = new MyAnotherObj(); I assign MyObj in the first line, and the second line will assign another object. Where does the object assigned in first line go? Is
One part of the program takes text from a uitextfield, copies it to a mutable string and then performs
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