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Setting environment variables via launchd.conf no longer works in OS X Yosemite/El Capitan/macOS Sie
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64
[Original answer]: You can still use launchctl setenv variablename value to set a variable so t...
What is the function of the push / pop instructions used on registers in x86 assembly?
... add $8,%rsp # add 8 to the rsp
Note this is x86-64 At&t syntax.
Used as a pair, this lets you save a register on the stack and restore it later. There are other uses, too.
share
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Evaluating a mathematical expression in a string
...>>> eval_expr('2^6')
4
>>> eval_expr('2**6')
64
>>> eval_expr('1 + 2*3**(4^5) / (6 + -7)')
-5.0
"""
return eval_(ast.parse(expr, mode='eval').body)
def eval_(node):
if isinstance(node, ast.Num): # <number>
return node.n
el...
Embedding unmanaged dll into a managed C# dll
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You can embed the unmanaged DLL as a resource if you extract it yourself to a temporary directo...
How do I replace NA values with zeros in an R dataframe?
...an median uq max neval
hybrd.ifelse 6171.0439 6339.7046 6425.221 6407.397 6496.992 7052.851 600
dplyr_if_else 3737.4954 3877.0983 3953.857 3946.024 4023.301 4539.428 600
hybrd.replace_na 1497.8653 1706.1119 1748.464 1745.282 1789.804 2127.166 600
baseR.sbst.rssgn 14...
What algorithm gives suggestions in a spell checker?
...An ancient versions is decribed in Programming Pearls by Jon Bentley using 64kb for an english dictionary.
A BK-Tree is an alternative approach. A nice article is here.
Levenshstein distance is not exactly the right edit distance for a spell checker. It knows only insertion, deletion and substitut...
The Definitive C++ Book Guide and List
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I think it would be good to put the dates published for the edition (with the edition number where applicable).
– Aar...
How much does it cost to develop an iPhone application? [closed]
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@Philippe I'm also one of the owners of the business that built the product. Who would have a better view on accurate project costs? And th...
MFC CListCtrl使用方法详解 - C/C++ - 清泛网 - 专注C/C++及内核技术
...的listctrl控件的item内容
http://www.codeproject.com/threads/int64_memsteal.asp
18. 选中listview中的item
Q131284: How To Select a Listview Item Programmatically
http://support.microsoft.com/kb/131284/en-us
19. 如何在CListView中使用CListCtrl的派生类
http://www....
multiprocessing.Pool: When to use apply, apply_async or map?
..._callback()
may yield a result such as
[1, 0, 4, 9, 25, 16, 49, 36, 81, 64]
Notice, unlike pool.map, the order of the results may not correspond to the order in which the pool.apply_async calls were made.
So, if you need to run a function in a separate process, but want the current process t...