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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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Prevent linebreak after
...l element. It will still take up space as if it were a block, however the width will be fitted to the content (assuming width:auto;). It can require a clear:left; for certain effects.
display:inline-block; is the "best of both worlds" option. The div is treated as a block element. It responds to al...
How to read last commit comment?
... And yes, @Juh_, even though git gui doesn't linewrap for you, it's a good idea to use 80column text in commit messages, not line-per-paragraph.
– Peter Cordes
Dec 13 '14 at 1:06
4...
How to create JSON string in JavaScript?
... answered Jan 22 '12 at 19:05
Didier GhysDidier Ghys
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HTTP POST and GET using cURL in Linux [duplicate]
I have a server application written in ASP.NET on Windows that provides a web service.
2 Answers
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What is the dual table in Oracle?
...ry
The DUAL table was created by Chuck Weiss of Oracle corporation to provide a table for joining in internal views:
I created the DUAL table as an underlying object in the Oracle Data Dictionary. It was never meant to be seen itself, but instead used
inside a view that was expected to be que...
How can I listen for a click-and-hold in jQuery?
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var timeoutId = 0;
$('#myElement').on('mousedown', function() {
timeoutId = setTimeout(myFunction, 1000);
}).on('mouseup mouseleave', function() {
clearTimeout(timeoutId);
});
Edit: correction per AndyE...thanks!
Edit 2: usi...
Django: accessing session variables from within a template?
...ritten. Please note however, that although the view code above is still valid, nowadays there is a much simpler way of doing this. render() is a function very similar to render_to_response(), but it uses RequestContext automatically, without a need to pass it explicitly:
from django.shortcuts impor...
How to list out all the subviews in a uiviewcontroller in iOS?
...ut, for instance, the subviews in the UITableViewCell are not found. Any idea?
22 Answers
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How to use a servlet filter in Java to change an incoming servlet request url?
...spatcher#forward() to forward the request/response to the new URL (server-side redirect, not reflected in browser address bar), or cast the incoming ServletResponse to HttpServletResponse and then HttpServletResponse#sendRedirect() to redirect the response to the new URL (client side redirect, refle...