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Cross cutting concern example
...se I may want to log in the presentation layer, business layer, data layer etc.
– CodingYoshi
May 14 '18 at 1:52
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Step-by-step debugging with IPython
...I place ipsh() right at the location where I need to do object inspection, etc. For example, say I want to debug my_function below
Using it:
def my_function(b):
a = b
ipsh() # <- This will embed a full-fledged IPython interpreter
a = 4
and then I invoke my_function(2) in one of the followi...
Remove excess whitespace from within a string
...str = str_replace(' ','',$str);
Or, replace with underscore, & nbsp; etc etc.
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Simulate limited bandwidth from within Chrome?
... the along the top you have the search icon, phone icon, Elements, Network etc. Click the phone icon and then choose Emulation in the bottom panel, network emulation options are in that panel
– Andy Davies
Jul 18 '14 at 21:33
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Do rails rake tasks provide access to ActiveRecord models?
... require your configuration (which should specify all your required models etc)
eg:
require 'config/environment'
alternatively you can just require each seperately, but you might have environment issues AR not set up etc)
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How do I update zsh to the latest version?
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# check the zsh info
brew info zsh
# install zsh
brew install --without-etcdir zsh
# add shell path
sudo vim /etc/shells
# add the following line into the very end of the file(/etc/shells)
/usr/local/bin/zsh
# change default shell
chsh -s /usr/local/bin/zsh
Hope it helps, thanks.
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Error Code: 2013. Lost connection to MySQL server during query
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Add the following into /etc/mysql/cnf file:
innodb_buffer_pool_size = 64M
example:
key_buffer = 16M
max_allowed_packet = 16M
thread_stack = 192K
thread_cache_size = 8
innodb_buffer_pool_size = 64M
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Find an element in DOM based on an attribute value
...he value isn't a valid CSS identifier (it has spaces or punctuation in it, etc.), you need quotes around the value (they can be single or double):
$("[myAttribute='my value']")
You can also do start-with, ends-with, contains, etc...there are several options for the attribute selector.
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How to fully delete a git repository created with init?
...absolutely sure that you're in the right place before running the command. etc., etc.
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Get all object attributes in Python? [duplicate]
Is there a way to get all attributes/methods/fields/etc. of an object in Python?
4 Answers
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