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Can modules have properties the same way that objects can?
... Did anybody else try this? When I put this code in one file x.py and import it from another, then calling x.y results in AttributeError: 'NoneType' object has no attribute 'c', since _M somehow has value None...
– Stephan202
May 19 '09 at 1:35
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gdb: how to print the current line or find the current line number?
list commands prints a set of lines, but I need one single line, where I am and where an error has probably occurred.
5 An...
How to recursively download a folder via FTP on Linux [closed]
I'm trying to ftp a folder using the command line ftp client, but so far I've only been able to use 'get' to get individual files.
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Replace transparency in PNG images with white background
I've got some PNG images with transparency, and I need to create versions with the image layer composed onto a white background. I've tried various things with Image Magick "convert" operations, but either nothing happens at all or I get an error. I don't want to go to an intermediate JPG form bec...
How to rollback just one step using rake db:migrate
After adding migration files in the db/migrate folder and running rake db:migrate , I want get back to the previous step, I think using VERSION=n is the right way to do that, but I don't know the correct value of n to use. Is there any command to check the current n value?
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Verify object attribute value with mockito
...ethod call which I want to mock with mockito. To start with I have created and injected an instance of an object on which the method will be called. My aim is to verify one of the object in method call.
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How to declare a variable in a PostgreSQL query
...master_login = (SELECT login
FROM master_user)
AND (SELECT registration_date
FROM master_user) > ...;
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How to deserialize a list using GSON or another JSON library in Java?
... Video[].class);
This way you avoid all the hassle with the Type object, and if you really need a list you can always convert the array to a list, e.g.:
List<Video> videoList = Arrays.asList(videoArray);
IMHO this is much more readable.
In Kotlin this looks like this:
Gson().fromJson(...
Execute command without keeping it in history [closed]
I want to execute some commands but don't want to store them in the command history. So that nobody will be able to search it in the .bash_history file.
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How do you remove all the options of a select box and then add one option and select it with jQuery?
...ry, how do you remove all the options of a select box, then add one option and select it?
24 Answers
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