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Write string to text file and ensure it always overwrites the existing content.
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4 Answers
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How does Rails keep track of which migrations have run for a database?
...chema_migrations.
For example, running a migration file named 20120620193144_create_users.rb will insert a new row with a version of 20120620193144 into the schema_migrations table.
You are free at any point to introduce migrations with earlier versions. Rails will always run any new migrations fo...
Left align and right align within div in Bootstrap
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2018 Update...
Bootstrap 4.1+
pull-right is now float-right
text-right is the same as 3.x, and works for inline elements
both float-* and text-* are responsive for different alignment at different widths (ie: float-sm-right)
The flexbox utils (eg...
How to dump a dict to a json file?
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447
import json
with open('result.json', 'w') as fp:
json.dump(sample, fp)
This is an easier...
Post an empty body to REST API via HttpClient
...exander ZeitlerAlexander Zeitler
6,83777 gold badges4141 silver badges7979 bronze badges
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Error while pull from git - insufficient permission for adding an object to repository database .git
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dwurfdwurf
10.6k44 gold badges2525 silver badges3737 bronze badges
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Preventing Laravel adding multiple records to a pivot table
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edited Jul 4 '17 at 14:33
answered Jul 4 '13 at 18:35
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postgresql - replace all instances of a string within text field
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4 Answers
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Chrome: timeouts/interval suspended in background tabs?
...ed. It looks like the timeouts have been running a lot slower. Tested in FF4 or IE9 this didn't occur.
6 Answers
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Understanding Fragment's setRetainInstance(boolean)
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349
First of all, check out my post on retained Fragments. It might help.
Now to answer your quest...