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Access multiple elements of list knowing their index
... 5, 5]
But really, your current solution is fine. It's probably the neatest out of all of them.
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String concatenation: concat() vs “+” operator
...l produces exactly the same code, but the bytecode compiler cheats. Simple testing entirely fails because the entire body of code is thrown away. Summing System.identityHashCode (not String.hashCode) shows the StringBuffer code has a slight advantage. Subject to change when the next update is releas...
What is the best way to implement nested dictionaries?
...:
value = self[item] = type(self)()
return value
Testing:
a = AutoVivification()
a[1][2][3] = 4
a[1][3][3] = 5
a[1][2]['test'] = 6
print a
Output:
{1: {2: {'test': 6, 3: 4}, 3: {3: 5}}}
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setup.py examples?
...
READ THIS FIRST https://packaging.python.org/en/latest/current.html
Installation Tool Recommendations
Use pip to install Python packages
from PyPI.
Use virtualenv, or pyvenv to isolate application specific dependencies from a shared Python installation.
U...
MySQL, Check if a column exists in a table with SQL
...questions/7384711/… for an example of how to wrap a procedure around the test for the column and the conditional DML statement.
– Christopher Schultz
Jul 23 '14 at 20:14
...
How do I access the request object or any other variable in a form's clean() method?
...therwise you tie your form logic to the request/response cycle which makes testing harder.
– Andrew Ingram
Jan 29 '13 at 10:34
2
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“is” operator behaves unexpectedly with integers
...tively. For example:
>>> a = 1000
>>> a == 1000 # Test integers like this,
True
>>> a != 5000 # or this!
True
>>> a is 1000 # Don't do this! - Don't use `is` to test integers!!
False
Explanation
To know this, you need to know the following.
...
Which is faster: while(1) or while(2)?
...on for each iteration.
First example (returning 1):
.L4:
call x
testl %eax, %eax
jne .L4
movl $0, %eax
addq $32, %rsp
popq %rbp
ret
.seh_endproc
.ident "GCC: (tdm64-2) 4.8.1"
Second example (returning sqrt(7)):
.L4:
call x
xorpd %xmm1,...
Determine command line working directory when running node bin script
...rom your module directory you need to use relative paths.
require('../lib/test');
instead of
var lib = path.join(path.dirname(fs.realpathSync(__filename)), '../lib');
require(lib + '/test');
It's always relative to file where it called from and don't depend on current work dir.
...
How do I base64 encode (decode) in C?
...mplementation performs well in C++, it can easily be backported to C. Also tests were conducted using Visual Studio 2015. If somebody wants to update this answer with results from clang/gcc, be my guest.
FASTEST ENCODERS:
The two fastest encoder implementations I found were Jouni Malinen's at http...