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What is a “batch”, and why is GO used?
I have read and read over MSDN, etc. Ok, so it signals the end of a batch.
6 Answers
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Correct use of flush() in JPA/Hibernate
...'m not quite clear when to use it and how to use it correctly. From what I read, my understanding is that the contents of the persistence context will be synchronized with the database, i. e. issuing outstanding statements or refreshing entity data.
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Why do x86-64 instructions on 32-bit registers zero the upper part of the full 64-bit register?
In the x86-64 Tour of Intel Manuals , I read
3 Answers
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How to use Java property files?
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how does this compare with properties.load(PropertiesReader.class.getResourceAsStream("/properties.properties")); that is, getResourceAsStream versus FileInputStream? pros and cons?
– Thufir
Jan 27 '15 at 4:17
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Copy a file in a sane, safe and efficient way
...ry);
dst << src.rdbuf();
}
This is so simple and intuitive to read it is worth the extra cost. If we were doing it a lot, better to fall back on OS calls to the file system. I am sure boost has a copy file method in its filesystem class.
There is a C method for interacting with the fi...
HTML5 best practices; section/header/aside/article elements
...ormation on how each of the major HTML5 tags can/should be used (I suggest reading the full source linked at the bottom):
section – Used for grouping together thematically-related content. Sounds like a div element, but it’s not. The div has no semantic meaning. Before replacing all your di...
Mac OSX Lion DNS lookup order [closed]
...wn local DNS resolver. There is a considerable disk/CPU hit from having to read /etc/hosts on every request, so it is in your best interest to keep that file very light.
One advantage of running something like dnsmasq locally (besides the significant performance boost) is that you can redirect whol...
What is an EJB, and what does it do?
...ly a massive number of requests from various calling messages/processes
/threads, they are distributed across the available EJB instances in the pool first
and then queued. This means that if the number of incoming requests per second is
greater than the server can handle, we degrade gracefully -...
What is the difference between user and kernel modes in operating systems?
...t
of the code running on your computer
will execute in user mode.
Read more
Understanding User and Kernel Mode
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Understanding Linux /proc/id/maps
...PID/maps describes a region of contiguous virtual memory in a process or thread. Each row has the following fields:
address perms offset dev inode pathname
08048000-08056000 r-xp 00000000 03:0c 64593 /usr/sbin/gpm
address - This is the starting and ending address of the region i...