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Do fragments really need an empty constructor?
...n", e);
}
}
http://docs.oracle.com/javase/6/docs/api/java/lang/Class.html#newInstance() Explains why, upon instantiation it checks that the accessor is public and that that class loader allows access to it.
It's a pretty nasty method all in all, but it allows the FragmentManger to kill and re...
How does lucene index documents?
...more recent alternative is http://lucene.apache.org/core/3_6_2/fileformats.html
There's an even more recent version at http://lucene.apache.org/core/4_10_2/core/org/apache/lucene/codecs/lucene410/package-summary.html#package_description, but it seems to have less information in it than the older on...
Optimal settings for exporting SVGs for the web from Illustrator?
...nd you to look into SVG in general, you will find that it looks a lot like HTML and it allows you to tweak things that cannot be done within Illustrator.
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Better explanation of when to use Imports/Depends
...adley Wickham gives an easy explanation (http://r-pkgs.had.co.nz/namespace.html):
Listing a package in either Depends or Imports ensures that it’s
installed when needed. The main difference is that where Imports just
loads the package, Depends attaches it. There are no other
differences....
SPAN vs DIV (inline-block)
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According to the HTML spec, <span> is an inline element and <div> is a block element. Now that can be changed using the display CSS property but there is one issue: in terms of HTML validation, you can't put block elements inside ...
What does the brk() system call do?
...out it on the glibc docs, e.g.:
https://www.gnu.org/software/libc/manual/html_mono/libc.html#Resizing-the-Data-Segment
Things will likely just work there I suppose since mmap is likely used for malloc.
See also:
What's unsafe/legacy about brk/sbrk?
Why does calling sbrk(0) twice give a differ...
How can I profile C++ code running on Linux?
...F for profiling. See brendangregg.com/blog/2015-05-15/ebpf-one-small-step.html and brendangregg.com/ebpf.html
– Andrew Stern
Oct 13 '17 at 15:00
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What is the meaning of the term arena in relation to memory?
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From http://www.bozemanpass.com/info/linux/malloc/Linux_Heap_Contention.html:
The libc.so.x shared library contains the glibc component and the heap
code resides inside it. The current implementation of the heap uses
multiple independent sub-heaps called arenas. Each arena has its own
m...
30岁之后，程序员该向什么方向发展？ - 杂谈 - 清泛网 - 专注C/C++及内核技术
...掌握什么技术。我的观点是一定要掌握最基础的，比如说html CSS，特别是html和CSS结构层和表现层的东西。如果你了解得比较深入，你做别的也会得心应手的。
不知道计算机硕士怎么选择呢？因为我也没有学过算法。
还有，前...
List of ANSI color escape sequences
...d; archive.org snapshot)
http://invisible-island.net/xterm/ctlseqs/ctlseqs.html
http://www.tldp.org/HOWTO/Bash-Prompt-HOWTO/c327.html
https://wiki.archlinux.org/index.php/Color_Bash_Prompt
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