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Alternate output format for psql
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I just needed to spend more time staring at the documentation. This command:
\x on
will do exactly what I wanted. Here is some sample output:
select * from dda where u_id=24 and dda_is_deleted='f';
-[ RECORD 1 ]------+--------------------------------------------------------------------------...
How to make a background 20% transparent on Android
...alpha channel. For example, for red use #CCFF0000:
<TextView
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android:background="#CCFF0000" />
In the example, CC is the hexadecimal number for 255 * 0.8 = 204. Note that the first two hexadecimal digits are for the alpha channel. The format is #AARRGGBB, where AA is the alpha cha...
Convert a Map to a POJO
... looking at Jackson, but is seems I would have to convert the Map to JSON, and then the resulting JSON to the POJO.
8 Answ...
How to turn on line numbers in IDLE?
...on 3.8 or newer:
To show line numbers in the current window, go to Options and click Show Line Numbers.
To show them automatically, go to Options > Configure IDLE > General and check the Show line numbers in new windows box.
Version 3.7 or older:
Unfortunately there is not an option to display...
Can a class extend both a class and implement an Interface
Can a class extend both an interface and another class in PHP?
Basically I want to do this:
3 Answers
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How do you get centered content using Twitter Bootstrap?
I'm trying to follow a very basic example. Using the starter page and the grid system , I was hoping the following:
23 An...
How do I fetch lines before/after the grep result in bash?
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You can use the -B and -A to print lines before and after the match.
grep -i -B 10 'error' data
Will print the 10 lines before the match, including the matching line itself.
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Best practice? - Array/Dictionary as a Core Data Entity Attribute [closed]
... I have noticed that collection types are not available as attribute types and would like to know what the most efficient way is of storing array/dictionary type data as an attribute (e.g. the elements that make up an address like street, city, etc. does not require a separate entity and is more con...
Why did Rails4 drop support for “assets” group in the Gemfile
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Previously the assets group existed to avoid unintended compilation-on-demand in production. As Rails 4 doesn't behave like that anymore, it made sense to remove the asset group.
This is explained in more detail in the commit that changed that. I extracted some quotes with the actual answer.
Some ...
How to exclude certain messages by TAG name using Android adb logcat?
Logcat allows filtering logs but it works like that: You define filters and logcat only displays messages which matches filters. But is there a way to display all logs EXCEPT some TAGs defined by filters?
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