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Count with IF condition in MySQL query

...automatically convert NULL to '' when fetching the value. For example with PHP's mysqli interface it would be safe to run your query without COALESCE(). share | improve this answer | ...
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Linux bash: Multiple variable assignment

Does exist in linux bash something similar to the following code in PHP: 5 Answers 5 ...
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Strangest language feature

... a pool of Integer instances for values between -128 and 128, otherwise it allocs a new Integer, right? – Mike Akers Jan 4 '10 at 20:25 18 ...
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ASP.NET Web Site or ASP.NET Web Application?

...piled base class if you want to. There are many languages/frameworks (e.g. PHP) where people are used to the idea of deploying source code. That doesn't mean those are not 'serious' applications. – Max Toro Aug 25 '09 at 20:29 ...
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Python Pandas: Get index of rows which column matches certain value

... frame (whose data may be gibabytes). What about dftest? Doesn't this also allocate a very large intermediate object where the returned index may be very small, or even empty. Are these magically optimized away using lazy views. If not then surely there must be an efficient way. ...
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Disabling Chrome Autofill

...ield including labels and arbitrary text nodes. If there is a autocomplete token like street-address in context, Chrome will autofill that as such. The heuristic can be quite confusing as it sometimes only trigger if there are additional fields in the form, or not if there are too few fields in the ...
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What is the “realm” in basic authentication

I'm setting up basic authentication on a php site and found this page on the php manual showing the set up. What does "realm" mean here in the header? ...
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How do I clone a generic list in C#?

... I think List.ConvertAll might do this in faster time, since it can pre-allocate the entire array for the list, versus having to resize all the time. – MichaelGG Oct 21 '08 at 17:43 ...
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What does appending “?v=1” to CSS and Javascript URLs in link and script tags do?

...> In case you're running pure HTML (instead of server pages JSP, ASP, PHP) the server won't help you. In browser, links are loaded before the JS runs, therefore you have to remove the links and load them with JS. // front end cache bust var cacheBust = ['js/StrUtil.js', 'js/protos.common.js', ...
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Check whether an array is a subset of another

... t1. The advantage of this method is that it is done all in-place, without allocating additional space, unlike the solutions using .Except or .Intersect. Furthermore, this solution is able to break as soon as it finds a single element that violates the subset condition, while the others continue sea...