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Return Boolean Value on SQL Select Statement
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Given that commonly 1 = true and 0 = false, all you need to do is count the number of rows, and cast to a boolean.
Hence, your posted code only needs a COUNT() function added:
SELECT CAST(COUNT(1) AS BIT) AS Expr1
FROM [User]
WHERE (UserID = 20070022)
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Recommended way of making React component/div draggable
...by mouse) React component, which seems to necessarily involve global state and scattered event handlers. I can do it the dirty way, with a global variable in my JS file, and could probably even wrap it in a nice closure interface, but I want to know if there's a way that meshes with React better.
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C/C++ line number
... of debugging purposes, can I get the line number in C /C++ compilers?
(standard way or specific ways for certain compilers)
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jQuery UI “ $(”#datepicker“).datepicker is not a function”
...included twice, once by the program that I was adding a jQuery function to and once by our in-house debugger.
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How to parse float with two decimal places in javascript?
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glad to help and keep up the good work on -- "learning a new thing every day"
– Mahesh Velaga
Dec 14 '10 at 1:55
3
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Can I change the viewport meta tag in mobile safari on the fly?
....0, maximum-scale=1.0, user-scalable=0');
Just change the parts you need and Mobile Safari will respect the new settings.
Update:
If you don't already have the meta viewport tag in the source, you can append it directly with something like this:
var metaTag=document.createElement('meta');
metaT...
Detect rotation of Android phone in the browser with JavaScript
I know that in Safari on an iPhone you can detect the screen's orientation and change of orientation by listening for the onorientationchange event and querying window.orientation for the angle.
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Developing GUIs in Python: Tkinter vs PyQt [closed]
...te directly to working with Qt in other languages too if you ever need to, and Qt is probably the best cross-platform interface toolkit available right now.
There are only two real (potential) disadvantages:
PyQt is only available under the GPL. This means if you release your code, it has to be a...
Change app language programmatically in Android
...ssible to change the language of an app programmatically while still using Android resources?
35 Answers
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What is the canonical way to trim a string in Ruby without creating a new string?
...e.strip!
The #strip! method will return nil if it didn't strip anything, and the variable itself if it was stripped.
According to Ruby standards, a method suffixed with an exclamation mark changes the variable in place.
Hope this helps.
Update: This is output from irb to demonstrate:
>> ...