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How to download image using requests
I'm trying to download and save an image from the web using python's requests module.
14 Answers
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Asserting successive calls to a mock method
... method . However, as far as I understand this only checks the last call to a method.
If I have code that calls the mocked method 3 times successively, each time with different parameters, how can I assert these 3 calls with their specific parameters?
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Why is it Valid to Concatenate Null Strings but not to Call “null.ToString()”?
... value of the original null string.
More information on the + binary operator:
The binary + operator performs string concatenation when one or both operands are of type string.
If an operand of string concatenation is null, an empty string is substituted. Otherwise, any non-string argument is conv...
What is “android:allowBackup”?
...xplanation than just what is in the one line error message; you don't have to search the web for more info.
If you are using lint via Eclipse, either open the lint warnings view, where you can select the lint error and see a longer explanation, or invoke the quick fix (Ctrl-1) on the error line, an...
How to configure a HTTP proxy for svn
I want to check code from the repository http://code.sixapart.com/svn/perlbal/ . I can only access the the repository url by setting a proxy. I guess if I want to get the code from the same URL by svn I need to configure a proxy, too. So does anyone of you could tell me how to configure a HTTP pro...
Circle line-segment collision detection algorithm?
I have a line from A to B and a circle positioned at C with the radius R.
27 Answers
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How to check if a table exists in a given schema
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It depends on what you want to test exactly.
Information schema?
To find "whether the table exists" (no matter who's asking), querying the information schema (information_schema.tables) is incorrect, strictly speaking, because (per documentation):
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When should I use Debug.Assert()?
...on assertions. His main points are:
Assert liberally. You can never have too many assertions.
Assertions don't replace exceptions. Exceptions cover the things your code demands; assertions cover the things it assumes.
A well-written assertion can tell you not just what happened and where (like an ...
Git push/clone to new server
... there is something I can't work out. After creating and using a git repository locally on my Mac, can I push a copy to another server somewhere else? I am behind a firewall so unfortunately I can't run git clone from the other machine.
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Best practices for SQL varchar column length [closed]
Every time is set up a new SQL table or add a new varchar column to an existing table, I am wondering one thing: what is the best value for the length .
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