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Asynchronous Requests with Python requests
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As of now this is not python3-capable (gevent fails to build v2.6 on py3.4).
– saarp
Aug 4 '14 at 20:43
1
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Running unittest with typical test directory structure
...import antigravity, as well. I have both __init_.py files and I am calling python3 -m unittest discover from the new project directory. What else could be wrong?
– imrek
May 2 '17 at 20:11
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What is the difference between dict.items() and dict.iteritems() in Python2?
... you want to return an iterator in Py3.x, you could use iter(dictview) :
$ python3.3
>>> d = {'one':'1', 'two':'2'}
>>> type(d.items())
<class 'dict_items'>
>>>
>>> type(d.keys())
<class 'dict_keys'>
>>>
>>>
>>> ii = iter(d....
Iterating Over Dictionary Key Values Corresponding to List in Python
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dict.iteritems() was removed since Python3. You should use dict.items() instead
– Sergey
Jan 21 '16 at 8:48
14
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How to write DataFrame to postgres table?
...ssuming dataframe to be present already as df
output = io.BytesIO() # For Python3 use StringIO
df.to_csv(output, sep='\t', header=True, index=False)
output.seek(0) # Required for rewinding the String object
copy_query = "COPY mem_info FROM STDOUT csv DELIMITER '\t' NULL '' ESCAPE '\\' HEADER " # ...
What does a b prefix before a python string mean?
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This is Python3 bytes literal. This prefix is absent in Python 2.5 and older (it is equivalent to a plain string of 2.x, while plain string of 3.x is equivalent to a literal with u prefix in 2.x). In Python 2.6+ it is equivalent to a...
Custom Python list sorting
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In python3 you can write:
from functools import cmp_to_key
def cmp_items(a, b):
if a.foo > b.foo:
return 1
elif a.foo == b.foo:
return 0
else:
return -1
alist = sorted(alist, key=cmp_to_...
Python argparse command line flags without arguments
...nt("-f","--flag",action="store_true",help="just a flag argument")
usage
$ python3 script.py -f
After parsing when checked with args.f it returns true,
args = parser.parse_args()
print(args.f)
>>>true
share
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C++应用程序添加VBScript和JavaScript支持 - C/C++ - 清泛网移动版 - 专注IT技能提升
...C++程序中调用JavaScript及VBScript。效果截图：
源码点此下载。
Introduction
I am always amazed to see how the script control (msscript.ocx) is fun to use and at the same time how C++ developers reacted when it's time to use. Maybe the extension (.ocx) make them feel, it's vis...
C++应用程序添加VBScript和JavaScript支持 - C/C++ - 清泛网移动版 - 专注IT技能提升
...C++程序中调用JavaScript及VBScript。效果截图：
源码点此下载。
Introduction
I am always amazed to see how the script control (msscript.ocx) is fun to use and at the same time how C++ developers reacted when it's time to use. Maybe the extension (.ocx) make them feel, it's vis...