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Make a float only show two decimal places
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you need this float numTwoDecimalDigits = atof([s UTF8String]);
– loretoparisi
Nov 10 '13 at 19:00
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How to convert a string to utf-8 in Python
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,I am getting the following error: UnicodeDecodeError: 'utf8' codec can't decode byte 0xb0 in position 2: invalid start byte This is my code: ret=[] for line in csvReader: cline=[] for elm in line: unicodestr = unicode(elm, 'utf-8') ...
PostgreSQL error 'Could not connect to server: No such file or directory'
... pg gem:*
$ brew install postgresql
$ initdb /usr/local/var/postgres -E utf8
To have launchd start postgresql at login run:
$ ln -sfv /usr/local/opt/postgresql/*.plist ~/Library/LaunchAgents
Or start manually.
Install pg gem
$ gem install pg
I hope have helped
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Error 330 (net::ERR_CONTENT_DECODING_FAILED):
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codes need to save UTF8 without BOM while recording. Sometimes, written codes with (Notepad++) or other coding tools and use UTF8 encode, this error occurs.
I'm sorry, I do not know English. This is just my experience.
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How do I set the UI language in vim?
...e nuanced stuff. F.ex., my own locale settings look like this:
LANG=en_US.utf8
LC_CTYPE=de_DE.utf8
LC_COLLATE=C
This means I get a largely English system, but with German semantics for letters, except that the default sort order is ASCIIbetical (ie. sort by codepoint, not according to language co...
How to create a database from shell command?
...ss_bla"
mysql -uroot -prootpassword -e "CREATE DATABASE $DB CHARACTER SET utf8 COLLATE utf8_general_ci";
mysql -uroot -prootpassword -e "CREATE USER $USER@'127.0.0.1' IDENTIFIED BY '$PASS'";
mysql -uroot -prootpassword -e "GRANT SELECT, INSERT, UPDATE ON $DB.* TO '$USER'@'127.0.0.1'";
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How do I concatenate two text files in PowerShell?
...r English). If the source files contain other coding (e.g. Windows-1251 or UTF8), you must set correct encoding sc file.txt -Encoding UTF8 (numbers such as 1251 for Russian are supported since v6.2)
– Radek Pech
May 3 '19 at 9:06
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Postgres could not connect to server
...m -rf /usr/local/var/postgres && initdb /usr/local/var/postgres -E utf8 removed my old databases and then reinitialized the postgres db schema.
Thanks to https://github.com/Homebrew/homebrew/issues/35240 for that solution.
After regenerating my databases (with rake db:create) everything ...
How do I run Asynchronous callbacks in Playground
...r")
return
}
let contents = String(data: data, encoding: .utf8)
print(contents!)
}.resume()
PlaygroundPage.current.needsIndefiniteExecution = true
Or in Swift 2:
import UIKit
import XCPlayground
let url = NSURL(string: "http://stackoverflow.com")
let request = NSURLRequest(...
Memcached下一站：HandlerSocket！ - 更多技术 - 清泛网 - 专注C/C++及内核技术
...表示MySQL源代码目录，with-mysql-bindir表示MySQL二进制可执行文件目录（也就是mysql_config所在目录），with-mysql-plugindir表示MySQL插件目录，如果不清楚这个目录在哪，可以按如下方法查询：
mysql> SHOW VARIABLES LIKE 'plugin%';
+---------------...