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What is an example of the simplest possible Socket.io example?
... <script src="cdn.socket.io/socket.io-1.2.1.js"></script> and now it works
– Alexander Mills
Dec 31 '14 at 7:12
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Pandas selecting by label sometimes return Series, sometimes returns DataFrame
... Ah, why selecting a single row returns a Series, I don't really know.
– joris
Dec 4 '13 at 19:24
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Inheritance and Overriding __init__ in python
...le dated with respect to subclassing built-in classes.
It looks like this nowadays:
class FileInfo(dict):
"""store file metadata"""
def __init__(self, filename=None):
super(FileInfo, self).__init__()
self["name"] = filename
Note the following:
We can directly subclass b...
App Inventor 2 上传文件和图片到服务器教程 · App Inventor 2 中文网
...).type('text').send('错误：未接收到文件');
const name = `${Date.now()}_${randomUUID()}.${extension(data)}`;
fs.writeFileSync(path.join(dir, name), data, {flag: 'wx'});
res.type('text').send('上传成功|' + name);
}
// PostFile 是原始字节；PostFileWithForm 才是 multipart。
a...
relative path in require_once doesn't work
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There is now a troubleshooting checklist for this frequent error here : stackoverflow.com/a/36577021/2873507
– Vic Seedoubleyew
Apr 12 '16 at 15:24
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Can C++ code be valid in both C++03 and C++11 but do different things?
...e plus side there is:
Code that previously implicitly copied objects will now implicitly move them when possible.
On the negative side, several examples are listed in the appendix C of the standard. Even though there are many more negative ones than positive, each one of them is much less likely t...
How do I activate a virtualenv inside PyCharm's terminal?
...rrected version. This really saves a LOT of time.
Update:
Note: Pycharm now supports virtual environments directly and it seems to work well for me - so my workaround not needed anymore.
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In a Django form, how do I make a field readonly (or disabled) so that it cannot be edited?
... return ['url']
else:
return []
And it works fine. Now if you add an Item, the url field is read-write, but on change it becomes read-only.
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What does the “at” (@) symbol do in Python?
...which used the @ symbol, but I have no idea what it does. I also do not know what to search for as searching Python docs or Google does not return relevant results when the @ symbol is included.
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How to assert output with nosetest/unittest in python?
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Note: Under python 3.x the StringIO class must now be imported from the io module. from io import StringIO works in python 2.6+.
– Bryan P
May 8 '13 at 22:26
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