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Change from SQLite to PostgreSQL in a fresh Rails project
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Now its become easy with the single command
bin/rails db:system:change --to=postgresql
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How do I wrap text in a UITableViewCell without a custom cell
... HEMAN is weaker than SUPERMAN, both are friends and we will never get to know who is more powerful than whom because they will never have a fight among them"];
[mutArr addObject:@"Where are BATMAN and SPIDERMAN"];
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Copy and paste content from one file to another file in vi
...d I need to copy a few lines from one file and paste into another file. I know how to copy (yy) and paste (p) in the same file. But that doesn't work for different files. How is this done?
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How to change maven logging level to display only warning and errors?
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This answer is OBSOLETE as of now - a) repo URL has changed, b) there is no INFO level statement in this code, c) diff URL doesn't work.
– Greg Dubicki
Mar 5 '15 at 9:39
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How to select between brackets (or quotes or …) in Vim?
I'm sure there used to be a plugin for this kinda stuff, but now that I need it, I can't seem to find it (naturally), so I'll just ask nice and simple.
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Setting default values for columns in JPA
... this be if (createdt != null) createdt = new Date(); or something? Right now, this will override an explicitly specified value, which seems to make it not really be a default.
– Max Nanasy
Nov 25 '14 at 21:48
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How to set variables in HIVE scripts
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@DatabaseCoder To my knowledge, nothing like that will work. Whenever I need something like that, I have to do the first query and then pass in via "--hiveconf"
– libjack
Aug 8 '19 at 19:57
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MySQL InnoDB not releasing disk space after deleting data rows from table
... of the original one, and doing so used up all the space on the partition. Now "optimize table" failed and I'm left with no space on the partition even after I dropped the entire db... very disappointing.
– basilikode
Apr 20 '15 at 20:43
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Base64 Java encode and decode a string [duplicate]
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Java 8 now supports BASE64 Encoding and Decoding. You can use the following classes:
java.util.Base64, java.util.Base64.Encoder and java.util.Base64.Decoder.
Example usage:
// encode with padding
String encoded = Base64.getEncoder...
What is considered a good response time for a dynamic, personalized web application? [closed]
... response time is likely to be highly variable, since users will then not know what to expect.
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