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How to redirect stderr to null in cmd.exe
...ing command redirection operators. Besides the "2>" construct mentioned by Tanuki Software, it lists some other useful combinations.
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mysql create user if not exists
...o 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 `database`.* TO '...
Which rows are returned when using LIMIT with OFFSET in MySQL?
...eturn 18 results starting on record #9 and finishing on record #26.
Start by reading the query from offset. First you offset by 8, which means you skip the first 8 results of the query. Then you limit by 18. Which means you consider records 9, 10, 11, 12, 13, 14, 15, 16....24, 25, 26 which are a to...
In Ruby on Rails, how do I format a date with the “th” suffix, as in, “Sun Oct 5th”?
....day.ordinalize}")
=> "Fri Oct 3rd"
Note, if you are using IRB with Ruby 2.0, you must first run:
require 'active_support/core_ext/integer/inflections'
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Instance v state variables in react.js
...but not in its state. Whenever state is updated (which should only be done by setState as suggested in a comment), React calls render and makes any necessary changes to the real DOM.
Because the value of timeout has no effect on the rendering of your component, it shouldn't live in state. Putting i...
What is the Bash equivalent of Python's pass statement
...erpreted as "it, erroneously, does something"? ...Probably I'm just scared by things like the subtle differences between "undefined" and "unspecified" in C++.
– sth
Mar 11 '10 at 0:37
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What's the difference between window.location and document.location in JavaScript?
... For the most part, they behave similarly CONSIDERING THE CAVEAT SPECIFIED by rahul. Let's not nail him on semantics. A little philadelphia, gentlemen. I, for one, found his answer fully satisfying. +1 (Christoph's should be the accepted answer, but rahul's is acceptable -- at the least, not worthy ...
“FOUNDATION_EXPORT” vs “extern”
... imageUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454...
How do I show the schema of a table in a MySQL database?
...answered Sep 30 '09 at 15:17
BobbyBobby
10.8k55 gold badges4040 silver badges6767 bronze badges
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How to do something before on submit? [closed]
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If you have a form as such:
<form id="myform">
...
</form>
You can use the following jQuery code to do something before the form is submitted:
$('#myform').submit(function() {
// DO STUFF...
return true; // return false to cancel form acti...