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Dynamic instantiation from string name of a class in dynamically imported module?
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importlib.import_module will load the .py file into a pyc if needed as well as handle the complete module.name.pathing.to.get.to.the class. __import__ will not do either of these things, in a django environment (not tested outside of this)
– Jam...
How to hide keyboard in swift on pressing return key?
...oryboard is on one side of your view and the desired view controller.swift file is on the other. Click on a text field and then select from the right hand side utilities panel 'Show the Connection Inspector' tab. Control drag from the 'Did End on Exit' to the above function in your swift file. Repea...
Named placeholders in string formatting
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If you expect to load very large files, I found this library also supports replaceIn which substitutes values into a buffer: StringBuilder, or TextStringBuilder. With this approach, the entire contents of the file won't be loaded into memory.
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Replace console output in Python
...console terminal allows this (it will break when output si redirected to a file).
from __future__ import print_function
print("count x\r", file=sys.stdout, end=" ")
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What are the differences between git remote prune, git prune, git fetch --prune, etc
... @Cloud Not entirely true. References can be packed (see the packed-refs file in the .git area), so it's not necessarily a simple matter of deleting them via file explorer. Better to use the commands to make sure both are taken care of correctly.
– John Szakmeister
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Name node is in safe mode. Not able to leave
...s readable only. That means one can not create any additional directory or file in the HDFS. To come out of the safemode, the following command is used:
hadoop dfsadmin -safemode leave
If you are using cloudera manager:
go to >>Actions>>Leave Safemode
But it doesn't always solve t...
vim - How to delete a large block of text without counting the lines?
...eally practical answer. I use it to delete the mails in my server from the file /var/mail/username in bulk, and leaving the last mails intact. I do a mark, then I enter for example 50000 followed by gg to go to line 50.000, then I delete all lines in-between. works like a charm!
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Bootstrap Modal immediately disappearing
...oper tools in your browser. Chrome, for instance, will list the JS source file where the code to register the listener can be found. Another option is to try searching the sources on the page for a phrase found in the Modal code, e.g., var Modal.
Unfortunately, these won't always find things in a...
How to add parameters to a HTTP GET request in Android?
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Also cant handle file parameters
– siamii
Jul 31 '11 at 4:40
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Clear a terminal screen for real
...rminal gets badly mangled because you killed something (or catted a binary file) and it left your term in a mangled state. Ever get into a state where your prompt shows up but not your typing, and when you hit enter the new prompt shows up next to the previous prompt rather than below it? reset fixe...