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Which is fastest? SELECT SQL_CALC_FOUND_ROWS FROM `table`, or SELECT COUNT(*)
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According to the following article: https://www.percona.com/blog/2007/08/28/to-sql_calc_found_rows-or-not-to-sql_calc_found_rows/
If you have an INDEX on your where clause (if id is indexed in your case), then it is better not to use SQL_CALC_FOUND_ROWS and use 2 quer...
GIT commit as different user without email / or only email
I'm trying to commit some changes as a different user, but i do not have a valid email address, following command is not working for me:
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How can you programmatically tell an HTML SELECT to drop down (for example, due to mouseover)?
...in chrome 53+. (I don't test it FF and IE).
Links for reference:
https://www.chromestatus.com/features/5718803933560832
https://www.chromestatus.com/features/6461137440735232
And initMouseEvent is also deprecated
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How to deal with a slow SecureRandom generator?
...you have to wait for it. This includes the seed for a SecureRandom PRNG. Uncommon Maths can't gather true random data any faster than SecureRandom, although it can connect to the internet to download seed data from a particular website. My guess is that this is unlikely to be faster than /dev/random...
How to convert View Model into JSON object in ASP.NET MVC?
...h works even when you want to pass the resulting JSON to Javascript. Razor complains with the green squiggles if you put the @Html.Raw(...) code as a function parameter inside <script> tags, but the JSON does indeed make it to the JS being called. Very handy & slick. +1
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SQL Server 2012 column identity increment jumping from 6 to 1000+ on 7th entry [duplicate]
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use a sequence generator with the NO CACHE setting (http://msdn.microsoft.com/en-us/library/ff878091.aspx)
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How do you do a simple “chmod +x” from within python?
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201
Use os.stat() to get the current permissions, use | to or the bits together, and use os.chmod()...
Path.Combine for URLs?
...any/", "/slashes/",
"too", "few?",
"x=1", "y=2"
// result: "http://www.MyUrl.com/too/many/slashes/too/few?x=1&y=2"
Get Flurl.Http on NuGet:
PM> Install-Package Flurl.Http
Or get the stand-alone URL builder without the HTTP features:
PM> Install-Package Flurl
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Tree data structure in C#
... C# 2.0 explains a bit about why. Is there a convenient library which is commonly used to provide this functionality? Perhaps through a strategy pattern to solve the issues presented in the article.
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Download and open PDF file using Ajax
...'s binary data. You can't do stuff like $(element).load(). You want to use completely new request for this. For that <a href="pdfservlet/filename.pdf">pdf</a> is perfectly suitable.
To assist you more with the server side code, you'll need to tell more about the language used and post a...