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mysql create user if not exists
...d be able to use CREATE USER
CREATE USER IF NOT EXISTS 'user'@'localhost' 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 `datab...
Convert a List into an ObservableCollection
... to convert it into an ObservableCollection<T> to bind it to my GridView .
3 Answers
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Checking for an empty field with MySQL
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I have same comment as Quassnoi's. I issue "select orig_id,hotline from normal_1952 where !(hotline > '')" and there's one record with null hotline but it doesn't match.I'm using MySQL 5.6
– Scott Chu
Apr 15 '16 at 10:16
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MySql - Way to update portion of a string?
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Rake just one migration
...and on what Ryan says, if the table has been dropped from the database outside of Rails, rake db:migrate:up VERSION=my_version may do nothing, because the schema_migrations table still says it is has been run. In the same situation rake db:migrate:redo VERSION=my_version may fail because it cannot d...
JavaScript listener, “keypress” doesn't detect backspace?
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The keypress event might be different across browsers.
I created a Jsfiddle to compare keyboard events (using the JQuery shortcuts) on Chrome and Firefox. Depending on the browser you're using a keypress event will be triggered or not -- backspace will trigger keydown/keypress/keyup on Firefox ...
File extension for PowerShell 3
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@Geddon I once read somewhere that they chose ps1 to avoid conflicts with ps, which was already in use by Adobe Photoshop. Other sources say that versioning had been indeed the reason to call it ps1, but they dropped this idea when introducing PS 2 (official source).
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Get file name and extension in Ruby
I'm working on a program to download a video from YouTube, convert it to MP3 and create a directory structure for the files.
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How to install multiple python packages at once using pip
I know it's an easy way of doing it but i didn't find it neither here nor on google.
So i was curious if there is a way to install multiple packages using pip.
Something like:
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How do you specify command line arguments in Xcode 4?
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