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MongoDB数据导出导入工具：mongoexport,mongoimport - 大数据 & AI - 清泛...
...t. default: json (json,csv,tsv)
--file arg file to import from; if not specified stdin is used
--drop drop collection first
--headerline CSV,TSV only - use first line as headers
--upsert insert or update objects that already exist
...
nosetests is capturing the output of my print statements. How to circumvent this?
...ot provide an answer to the question. To critique or request clarification from an author, leave a comment below their post.
– Bhargav Rao♦
Feb 11 '15 at 16:55
7
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Convert Python dictionary to JSON array
...s an ASCII string - such as base64.
>>> import json
>>> from base64 import b64encode, b64decode
>>> my_dict = {'LeafTemps': '\xff\xff\xff\xff',}
>>> my_dict['LeafTemps'] = b64encode(my_dict['LeafTemps'])
>>> json.dumps(my_dict)
'{"LeafTemps": "/////w=="...
Responding with a JSON object in Node.js (converting object/array to JSON string)
...te a function that will respond to me a JSON string. I currently have this from an example
6 Answers
...
How can I create a copy of an object in Python?
...efine __copy__ (for shallow copies) and/or __deepcopy__ (for deep copies).
from copy import copy, deepcopy
class Copyable:
__slots__ = 'a', '__dict__'
def __init__(self, a, b):
self.a, self.b = a, b
def __copy__(self):
return type(self)(self.a, self.b)
def __deepcopy...
Can I have an IF block in DOS batch file?
...nal statement, and the opening parenthesis.
I am setting @echo off to keep from seeing all of the statements printed to the console as they execute, and instead just see the output of those that specifically begin with echo.
I'm using the built-in ERRORLEVEL variable just as a test. Read more here
...
How to split() a delimited string to a List
...Either use:
List<string> list = new List<string>(array);
or from LINQ:
List<string> list = array.ToList();
Or change your code to not rely on the specific implementation:
IList<string> list = array; // string[] implements IList<string>
...
Ternary Operator Similar To ?:
...
From Tony Morris' Lambda Blog:
I hear this question a lot. Yes it does. Instead of c ? p : q, it is
written if(c) p else q.
This may not be preferable. Perhaps you’d like to write it using the
same syntax as Ja...
Hash function that produces short hashes?
...alled adler32 that produces pretty short (~8 character) results. Choose it from the dropdown here to try it out:
http://www.sha1-online.com/
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How to add a search box with icon to the navbar in Bootstrap 3?
...
You could use the segmented buttons example from Bootstrap 3:
<form action="" class="navbar-form navbar-right">
<div class="input-group">
<input type="Search" placeholder="Search..." class="form-control" />
<div class="input-group...