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How do you version your database schema? [closed]
...bles. I then copy the data over from the old database using INSERT INTO x SELECT FROM y and then apply all indexes, constraints and triggers.
New tables, new columns, deleted columns all get handled automatically and with a few little tricks to adjust the copy routine I can handle column renames, ...
Javascript Array.sort implementation?
...ontiguous arrays and presumably for associative arrays) WebKit uses either selection sort (which they call “min” sort) or, in some cases, it sorts via an AVL tree. Unfortunately, the documentation here is rather vague so you’d have to trace the code paths to actually see for which types which ...
What are the ways to make an html link open a folder
... the Properties tab make sure the "A share located on another computer" is selected and the "Connect as..." is an account that can see the network location.
Link to the virtual directory from your webpage (e.g. http://yoursite/yourvirtualdir/) and this will open up a view of the directory in the we...
Unable to resolve host “” No address associated with hostname
...
Same for me! somehow Wifi and airplane mode can be selected so i only had to disable the airplane mode (i wasnt really connected to the internet-palmface)
– d1jhoni1b
Mar 18 '14 at 22:36
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Find number of months between two Dates in Ruby on Rails
...ta transformations:
(date1.beginning_of_month...date2.beginning_of_month).select { |date| date.day == 1 }.size
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A command-line HTML pretty-printer: Making messy HTML readable [closed]
...nly operate on files, not standard input (so you cannot, for example, send selected text from Notepad++ to tidy.exe, and have it output the formatted code back to Notepad++); (2) It has trouble formatting a lot of code, e.g.: <form><input><input><input><input><input&...
How to list all properties of a PowerShell object
...
You can also use:
Get-WmiObject -Class "Win32_computersystem" | Select *
This will show the same result as Format-List * used in the other answers here.
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Remove all files except some from a directory
...ar.gz\|script.php\|database.sql\|info.txt"`
-v, --invert-match select non-matching lines
\| Separator
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Android get current Locale, not default
...process from the system property settings, so it will represent the Locale selected on that device when the application was launched. Typically, this is fine, but it does mean that if the user changes their Locale in settings after your application process is running, the value of getDefaultLocale(...
Permission denied for relation
...O <role>;
e.g.
ALTER DEFAULT PRIVILEGES IN SCHEMA public
GRANT SELECT, INSERT, UPDATE, DELETE ON TABLES TO admin;
If you use SERIAL or BIGSERIAL columns then you will probably want to do the same for SEQUENCES, or else your INSERT will fail (Postgres 10's IDENTITY doesn't suffer from t...