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JSON serialization of Google App Engine models

...r strings and integers for me so far: developers.google.com/appengine/docs/python/datastore/… So I'm not sure you need to reinvent the wheel to serialize to json: json.dumps(db.to_dict(Photo)) – gentimouton Jul 5 '12 at 22:49 ...
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C++ Build Systems - What to use? [closed]

...ystem will be as bullet-proof as Scons. But, it's slow. It is written in Python and we've extended the interface for our "workspace-organization" (where we merely specify module dependencies), and that is part of the Scons design intent (this type of extension through Python). Convenient, but bui...
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Multiple linear regression in Python

I can't seem to find any python libraries that do multiple regression. The only things I find only do simple regression. I need to regress my dependent variable (y) against several independent variables (x1, x2, x3, etc.). ...
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__attribute__ - C/C++ - 清泛网 - 专注C/C++及内核技术

...属性不但影响函数的参数值,同样也影响到了参数指向的数据,它可能会对代码本身产生严重甚至是不可恢复的严重后果。 并且,带有该属性的函数不能有任何副作用或者是静态的状态,所以,类似getchar()或time()的函数...
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TypeError: ObjectId('') is not JSON serializable

... back from MongoDB after querying an aggregated function on document using Python, It returns valid response and i can print it but can not return it. ...
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How to merge YAML arrays?

..." > ~/.ssh/known_hosts - chmod 644 ~/.ssh/known_hosts test: image: python:3.7.3 stage: test script: - *pip_git - pip install -q -r requirements_test.txt - python -m unittest discover tests use the same `*pip_git` on e.g. build image... where requirements_te...
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Which sort algorithm works best on mostly sorted data? [closed]

...ordered arrays (less than lg(N!) comparisons needed, and as few as N-1)". Python's built-in sort() has used this algorithm for some time, apparently with good results. It's specifically designed to detect and take advantage of partially sorted subsequences in the input, which often occur in real d...
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python dataframe pandas drop column using int

I understand that to drop a column you use df.drop('column name', axis=1). Is there a way to drop a column using a numerical index instead of the column name? ...
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Python argparse: default value or specified value

...new-post-login', 'https%3a%2f%2fstackoverflow.com%2fquestions%2f15301147%2fpython-argparse-default-value-or-specified-value%23new-answer', 'question_page'); } ); Post as a guest ...
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Get object by id()? [duplicate]

Let's say I have an id of a Python object, which I retrieved by doing id(thing) . How do I find thing again by the id number I was given? ...