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mysql create user if not exists

...alhost' IDENTIFIED BY 'password'; Note that the 5.7.6 method doesn't actually grant any permissions. If you aren't using a version which has this capability (something below 5.7.6), you can do the following: GRANT ALL ON `database`.* TO 'user'@'localhost' IDENTIFIED BY 'password'; This will ...
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finding the type of an element using jQuery

... When using $("#elementId").get(0).tagName the tagName will be in all caps - TR, DIV etc etc – Jarede Oct 18 '12 at 14:41 7 ...
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Overriding Binding in Guice

...er be injecting mock or fake objects by hand. On the other hand, if you really want to replace a single binding, you could use Modules.override(..): public class ProductionModule implements Module { public void configure(Binder binder) { binder.bind(InterfaceA.class).to(ConcreteA.class...
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Python Regex instantly replace groups

Is there any way to directly replace all groups using regex syntax? 2 Answers 2 ...
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How many bytes does one Unicode character take?

...ing, it defines codepoints and a codepoint is a number, associated with usually a character. I say usually because there are concepts like combining characters. You may be familiar with things like accents, or umlauts. Those can be used with another character, such as an a or a u to create a new log...
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How to track down log4net problems

I use log4net all the time, but one thing I've never figured out is how to tell what's going on on the inside. For example, I've got a console appender and a database appender in my project. I made a few changes to the database and the code, and now the database appender doesn't work anymore. I'll f...
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What is the proper way to URL encode Unicode characters?

...characters from the unreserved set without translation, and should convert all other characters to bytes according to UTF-8, and then percent-encode those values. This requirement was introduced in January 2005 with the publication of RFC 3986. URI schemes introduced before this date are not affecte...
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Proper practice for subclassing UIView?

...Rect , and layoutSubviews . (I'm thinking in terms of setup and teardown callbacks.) In my case, I'm setting up my frame and internal views in layoutSubviews , but I'm not seeing anything onscreen. ...
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Heroku “psql: FATAL: remaining connection slots are reserved for non-replication superuser connectio

I'm developing an app on Heroku with a Postgresql backend. Periodically, I get this error message when trying to access the database, both from the CLI and from loading a page on the server: ...
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Pandoc markdown page break

...nd the Lua filter below to get page breaks in many formats. Pandoc parses all inputs into an internal document format. That format has no dedicated way to represent page breaks, but it is still possible to encode the information in other ways. One way is to use raw LaTeX \newpage. This works perfec...