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psql: FATAL: role “postgres” does not exist
... which will just use the latest version.
start postgres server manually: pg_ctl -D /usr/local/var/postgres start
To start server at startup
mkdir -p ~/Library/LaunchAgents
ln -sfv /usr/local/opt/postgresql/*.plist ~/Library/LaunchAgents
launchctl load ~/Library/LaunchAgents/homebrew.mxcl.post...
How can I add a class to a DOM element in JavaScript?
...ame = "aClassName1 aClassName2"; its just an attribute, you can assign any string you like, even if it makes for invalid html
– Darko Z
Apr 29 '14 at 9:47
18
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Android: integer from xml resource
...e do I have to create, to access integer values in the same way you access string values with R.string.some_string_resource ?
...
Why can a function modify some arguments as perceived by the caller, but not others?
... scope).
Objects can be mutable (like lists) or immutable (like integers, strings in Python). Mutable object you can change. You can't change a name, you just can bind it to another object.
Your example is not about scopes or namespaces, it is about naming and binding and mutability of an object i...
PHP: How to use array_filter() to filter array keys?
...ainst the key, e.g. $allowed could contain regex patterns instead of plain strings.
You can also use ARRAY_FILTER_USE_BOTH to have both the value and the key passed to your filter function. Here's a contrived example based upon the first, but note that I'd not recommend encoding filtering rules usi...
Add timestamps to an existing table
... t.change
t.change_default
t.rename
t.references
t.belongs_to
t.string
t.text
t.integer
t.float
t.decimal
t.datetime
t.timestamp
t.time
t.date
t.binary
t.boolean
t.remove
t.remove_references
t.remove_belongs_to
t.remove_index
t.remove_timestamps
end
http://...
Error: could not find function … in R
...ls for me in RStudio - Error : '\.' is an unrecognized escape in character string starting ""^[^\."
– Andrew
Sep 18 '13 at 15:00
1
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Is there a naming convention for git repositories?
...rtskapitänspatentausfüllungsassistentenausschreibungsstellenbewerbung."
"_" is harder to type than "-"
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TCPClient TCP客户端扩展：连接TCP服务器进行文本消息通信 · App Inventor 2 中文网
...、ISO-8859-1、UTF-16BE、UTF-16LE、UTF-16。
字符集US-ASCII Charset_USASCII
US-ASCII 字符集常量。
字符集UTF-8 Charset_UTF8
UTF-8 字符集常量。
字符集ISO-Latin-1 Charset_ISO_Latin_1
ISO-8859-1 字符集常量。
字符集UTF-16BE Charset_UTF16BE
UTF-16BE 字符...
Generating random number between 1 and 10 in Bash Shell Script [duplicate]
...
@ebi echo just prints the string (variable substitution happens before the command is processed, so $RANDOM is already replaced with an integer by that point), bc is what actually evaluates it when the | redirects the stdout from the echo into the std...