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Fastest way to count exact number of rows in a very large table?
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with (NOLOCK) is not something that allows it to run on production, and it can lead to an inaccurate count. When you use that hint, sure it prevents locks but the side effects on a production box are that you can count rows twice in some situations or skip rows...
How do I create ColorStateList programmatically?
I am trying to create a ColorStateList programatically using this:
8 Answers
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Block commenting in Ruby
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=begin and =end must be at the beginning of the line (not indented at all).
Source
Also, in TextMate you can press Command + / to toggle regular comments on a highlighted block of code.
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get the latest fragment in backstack
...gment in the back stack twice, you can't retrieve a specific fragment when all you have is the index or backstackentry entity.
– Justin
May 29 '14 at 15:54
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Is it possible to get element from HashMap by its position?
How to retrieve an element from HashMap by its position, is it possible at all?
14 Answers
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Removing rounded corners from a element in Chrome/Webkit
The user-agent stylesheet for Chrome gives a border-radius of 5px to all the corners of a <select> element. I've tried getting rid of this by applying a radius of 0px through my external stylesheet, as well inline on the element itself; I've tried both border-radius:0px and -webkit-borde...
Group vs role (Any real difference?)
...effectively inherits those permissions when he acts under that role.
Typically your group membership remains during the duration of your login. A role, on the other hand, can be activated according to specific conditions. If your current role is 'medical-staff' you might be able to see some of the ...
HTML/CSS: Make a div “invisible” to clicks?
...the overlay.
See the first answer to this question:
HTML "overlay" which allows clicks to fall through to elements behind it
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Truncate number to two decimal places without rounding
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@DarkHippo Thats because 4.27 is actually 4.26999999999, Math.round is generally a better solution, albeit not the answer to the original question. Realistically given the output is a string this should be done using string manipulation instead of a numeric solu...
How do I consume the JSON POST data in an Express application
...quest.
The response object is for sending the HTTP response back to the calling client, whereas you are wanting to access the body of the request. See this answer which provides some guidance.
If you are using valid JSON and are POSTing it with Content-Type: application/json, then you can use the...