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Socket.IO Authentication
I am trying to use Socket.IO in Node.js, and am trying to allow the server to give an identity to each of the Socket.IO clients. As the socket code is outside the scope of the http server code, it doesn't have easy access to the request information sent, so I'm assuming it will need to be sent up d...
Iterate over object attributes in python
I have a python object with several attributes and methods. I want to iterate over object attributes.
8 Answers
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How to find all occurrences of an element in a list?
index() will just give the first occurrence of an item in a list. Is there a neat trick which returns all indices in a list for an element?
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二维码的生成细节及原理 - 更多技术 - 清泛网 - 专注C/C++及内核技术
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首先，我们先说一下二维码一共有40个尺寸。官方叫版本Version。Version 1是21 x 21的矩阵，Version 2是 25 x 25的矩阵，Version 3是29的尺寸，每增加一个version，就会增加4的尺寸，公式是：(V-1)*4 + 21（V是版本号） 最高Version 40，(40-1)*4+21 =...
PowerShell script to return versions of .NET Framework on a machine?
What would a PowerShell script be to return versions of the .NET Framework on a machine?
16 Answers
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Get current clipboard content? [closed]
...ipboard and paste it into a text field when the page is opened, with no input from the user. How can it be done?
4 Answers
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How to convert 2D float numpy array to 2D int numpy array?
How to convert real numpy array to int numpy array?
Tried using map directly to array but it did not work.
4 Answers
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Mongoimport of json file
I have a json file consisting of about 2000 records. Each record which will correspond to a document in the mongo database is formatted as follows:
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Possible to iterate backwards through a foreach?
I know I could use a for statement and achieve the same effect, but can I loop backwards through a foreach loop in C#?
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How to make RatingBar to show five stars
...ollowing the standard example of how to add a RatingBar . To control the number of stars I tried to use android:numStars="5" . The problem is that the number of stars doesn't seem to do anything at all. In portrait-layout I get 6 stars and when I flip the phone I get about 10 stars. I tried to set...