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How do I handle too long index names in a Ruby on Rails ActiveRecord migration?
...ubject_name_id", "subject_type_id"],
:unique => true,
:name => 'my_index'
If using the :index option on references in a create_table block, it takes the same options hash as add_index as its value:
t.references :long_name, index: { name: :my_index }
...
Check if key exists and iterate the JSON array using Python
...nd then use it in your project:
from json_utils import get_attribute
def my_cool_iteration_func(data):
data_to = get_attribute(data, 'to', None)
if not data_to:
return
data_to_data = get_attribute(data_to, 'data', [])
for item in data_to_data:
print('The id is: %s...
Eclipse: Error “.. overlaps the location of another project..” when trying to create new project
... The "NOT EXISTING ANDROID PROJECT" part was what was causing my problems. +1 for the answer that fixed the problem for me; thanks.
– steveha
Feb 26 '13 at 4:21
1
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Restore a postgres backup file using the command line?
...d DB_NAME < DB_BACKUP.sql is the command which worked for me to restore my backup on my localhost. Note that -h option is needed.
– Jignesh Gohel
Sep 19 '18 at 11:25
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ASP.NET 2.0 - How to use app_offline.htm
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@JackM - No problem! In fact, I often leave the file on my website and call it something like "xapp_offline.htm". It therefore just sits there doing nothing. When I want to upgrade some or all of the site, I simply rename the file and remove the "x" prefix (this is usually done o...
Show which git tag you are on?
... --tags
(Or without the --tags if you have checked out an annotated tag. My tag is lightweight, so I need the --tags.)
original answer follows:
git describe --exact-match --tags $(git log -n1 --pretty='%h')
Someone with more git-fu may have a more elegant solution...
This leverages the fact t...
Cannot create an NSPersistentStoreCoordinator with a nil model
Been having my first crack at Core Data and I'm getting the following error when running my code on my device, but it works fine on the simulator..
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“An attempt was made to load a program with an incorrect format” even when the platforms are the sam
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Oh my days I've been fishing around installing extra IIS components when this was the answer... Can anyone suggest a downside to having this option selected?
– notidaho
Jul 31 '12 at 14:10
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WebApi's {“message”:“an error has occurred”} on IIS7, not in IIS Express
...with ASP.NET MVC 4 WebApi and am having a lot of fun with it running it on my local computer on IIS Express. I've configured IIS Express to serve remote machines too, and so other's in my company are using my computer as our webserver.
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Visual Studio displaying errors even if projects build
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Clearing Resharper's cache did not help in my case, tried suspend/restore, and also Repair Resharper, using latest download off JetBrains' website - neither of these helped. This is after I tried close/reopen VS, restart my machine, repeat, Build/Rebuild and combinati...