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Stateless and Stateful Enterprise Java Beans
I am going through the Java EE 6 tutorial and I am trying to understand the difference between stateless and stateful session beans. If stateless session beans do not retain their state in between method calls, why is my program acting the way it is?
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close vs shutdown socket?
...nderstood that if we close a socket, it means the socket will be destroyed and can be re-used later.
9 Answers
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Determine if two rectangles overlap each other?
...akes the following inputs from the user to construct rectangles (between 2 and 5): height, width, x-pos, y-pos. All of these rectangles will exist parallel to the x and the y axis, that is all of their edges will have slopes of 0 or infinity.
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Upgrade python in a virtualenv
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Did you see this? If I haven't misunderstand that answer, you may try to create a new virtualenv on top of the old one. You just need to know which python is going to use your virtualenv (you will need to see your virtualenv version).
If your virtualenv is install...
What's the purpose of the LEA instruction?
For me, it just seems like a funky MOV. What's its purpose and when should I use it?
16 Answers
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How do I install and use curl on Windows?
...s there a curl.exe file there? Run that. Alternatively, copy curl.exe that and any files that have .dll extension to a directory that is included in your PATH environment variable (or add the directory where curl.exe and the .dll files are, to your PATH environment), and you won't have to type the f...
How do the likely/unlikely macros in the Linux kernel work and what is their benefit?
I've been digging through some parts of the Linux kernel, and found calls like this:
10 Answers
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How do I remove version tracking from a project cloned from git?
...t folder is hidden so make sure you turn on the Show hidden files, folders and disks option.
From there, you can run git init to create a fresh repository.
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In C, do braces act as a stack frame?
...nt of view, it is like they are pushed onto the stack as they are declared and then popped when the scope is exited. However, compilers don't have to generate code that pushes/pops anything on entry/exit (and generally, they don't).
Also note that local variables may not use any stack space at all...
A beginner's guide to SQL database design [closed]
...fmann Series in Data Management Systems) (Paperback) by Jan L. Harrington and found it very clear and helpful
and as you get up to speed this one was good too Database Systems: A Practical Approach to Design, Implementation and Management (International Computer Science Series) (Paperback)
I thin...