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How to pretty-print a numpy.array without scientific notation and with given precision?
... __file__, m, n, X )
print( title )
...
pl.title( title )
Module globals:
_fmt = "%.3g" # default for extra args
_squeeze = np.squeeze # (n,1) (1,n) -> (n,) print in 1 line not n
See also:
http://docs.scipy.org/doc/numpy/reference/generated/numpy.set_printoptions.html
http://d...
Syntax behind sorted(key=lambda: …)
...ue seems to be telling my sorted function to prioritize evens by using the mod operator in x%2==0). Second, why are my evens out of order? 2 comes before 6 right? By analyzing this result, we'll learn something deeper about how the sorted() 'key' argument works, especially in conjunction with the an...
“Insufficient Storage Available” even there is lot of free space in device memory
...hat works on my Samsung Galaxy S II and Note 1; I have no idea about other models:
Open the phone app and switch to keypad.
Dial *#9900#
On the screen that appears, click on the button labelled "Delete dumpstate/logcat".
I've restored about one GB of system space this way.
...
PHP memory profiling
...bian1
sudo pecl install memprof
echo "extension=memprof.so" > /etc/php5/mods-available/memprof.ini
sudo php5enmod memprof
service apache2 restart
And then in my code:
<?php
memprof_enable();
// do your stuff
memprof_dump_callgrind(fopen("/tmp/callgrind.out", "w"));
Finally open the callgr...
Lua简明教程 - 脚本技术 - 清泛IT论坛，有思想、有深度
...r/local/bin/lua
print("Hello, World")
chenhao-air:lua chenhao$ chmod +x hello.lua
chenhao-air:test chenhao$ ./hello.lua
Hello, World复制代码
语法注释 -- 两个减号是行注释
--[[
这是块注释
这是块注释
变量Lua的数字只有double型，64bits，...
Convert PDF to clean SVG? [closed]
...does a good job anyway, and can be useful to anyone who does not intend to modify the code in the svg file, so I'll leave the post.
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Why is XOR the default way to combine hashes?
...at looks half decent on the surface, but not after further inspection.
On modern hardware, adding usually about as fast as xor (it probably uses more power to pull this off, admittedly). Adding's truth table is similar to xor on the bit in question, but it also sends a bit to the next bit over whe...
Why are unsigned int's not CLS compliant?
...king, unsigned addition with overflow checking, and sign-agnostic addition mod 2^32, etc.; when asked to convert an object reference to a 32-bit integer primitive, the CLR neither knows nor cares whether the code using that number expects it to be signed or unsigned. Whether the compiler believes a...
Python's many ways of string formatting — are the older ones (going to be) deprecated?
...se #4966: revamp the sequence docs in order to better explain the state of modern Python. This might seem like a sign that a plan to deprecate % formatting was back on the cards... but diving into the bug tracker reveals that the intent was the opposite. On the bug tracker, the author of the commit ...
How do I expire a PHP session after 30 minutes?
...sion handler, the age of the session data is calculated on the file's last modification date and not the last access date:
Note: If you are using the default file-based session handler, your filesystem must keep track of access times (atime). Windows FAT does not so you will have to come up with...