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How do I mock an open used in a with statement (using the Mock framework in Python)?
...create=True) as mock_open:
... mock_open.return_value = MagicMock(spec=file)
...
... with open('/some/path', 'w') as f:
... f.write('something')
...
<mock.Mock object at 0x...>
>>> file_handle = mock_open.return_value.__enter__.return_value
>>> file_handle.wri...
Renaming files in a folder to sequential numbers
I want to rename the files in a directory to sequential numbers. Based on creation date of the files.
27 Answers
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What is the difference between JOIN and UNION?
...er, then the data from the first table is shown in one set of column alongside the second table’s column in the same row.
Unions combine data into new rows. If two tables are “unioned” together, then the data from the first table is in one set of rows, and the data from the second table in a...
How do I adb pull ALL files of a folder present in SD Card
...
Single File/Folder using pull:
adb pull "/sdcard/Folder1"
Output:
adb pull "/sdcard/Folder1"
pull: building file list...
pull: /sdcard/Folder1/image1.jpg -> ./image1.jpg
pull: /sdcard/Folder1/image2.jpg -> ./image2.jpg
pul...
Linux command (like cat) to read a specified quantity of characters
... cat in linux which can return a specified quantity of characters from a file?
9 Answers
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Windows batch files: .bat vs .cmd?
... is for 32-bit Windows, i.e., starting with NT. But I continue to see .bat files everywhere, and they seem to work exactly the same using either suffix. Assuming that my code will never need to run on anything older than NT, does it really matter which way I name my batch files, or is there some go...
What's the difference between HEAD, working tree and index, in Git?
..., tested code.
Notes:
the workspace is the directory tree of (source) files that you see and edit.
The index is a single, large, binary file in <baseOfRepo>/.git/index, which lists all files in the current branch, their sha1 checksums, time stamps and the file name -- it is not anothe...
How to get the unique ID of an object which overrides hashCode()?
When a class in Java doesn't override hashCode() ,
printing an instance of this class gives a nice unique number.
10 Answ...
How to import load a .sql or .csv file into SQLite?
I need to dump a .sql or .csv file into SQLite (I'm using SQLite3 API). I've only found documentation for importing/loading tables, not entire databases. Right now, when I type:
...
rails 3 validation on uniqueness on multiple attributes
...
In Rails 2, I would have written:
validates_uniqueness_of :zipcode, :scope => :recorded_at
In Rails 3:
validates :zipcode, :uniqueness => {:scope => :recorded_at}
For multiple attributes:
validates :zipcode, :uniqueness => {:scope => [:recor...