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Should I index a bit field in SQL Server?
...age of memory. This is why trying to cluster index a GUID column is a bad idea - you don't try to cluster random values.
When you index an integer column, SQL's index contains a set of rows for each index value. If you have a range of 1 to 10, then you would have 10 index pointers. Depending on ...
How do you use “
...el (the child) does the work. The following example shows how can use this idea to generate a family of power functions. The parent function (power) creates child functions (square and cube) that actually do the hard work.
power <- function(exponent) {
function(x) x ^ exponent
}
square <- ...
Using jQuery To Get Size of Viewport
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Any idea how to get the area that is visible on devices screen, not just what it can scroll to? I see $(window).height() returning the full width of the document, not the portion that is zoomed to. I want to know how much is visi...
Why can't I push to this bare repository?
...it and it think no update is necessary. git --version returns 1.7.3.1. Any idea what's missing? I admit currently apt-get update doesn't work for me, but it did not too long ago.
– ripper234
May 27 '11 at 21:35
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What is the difference between and ?
...ld be listed in a section element because the elements convey a collective idea.
– Xandor
May 27 '19 at 16:58
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Python in Xcode 4+?
...t". Feel free to look through all the file type options it has, to gain an idea as to what all it is capable of doing. The method above can be applied to any interpreted language. As of right now, I have yet to figure out exactly how to get it to work with Java; then again, I haven't done too much r...
How to get the class of the clicked element?
... I thought I might expand on it a little more. This is an expansion of the idea that @SteveFenton had. Instead of binding a click event to each li element, it would be more efficient to delegate the events from the ul down.
For jQuery 1.7 and higher
$("ul.tabs").on('click', 'li', function(e) {
...
How do I properly force a Git push?
...al for it to be spread by others who'd fetched it already, but you get the idea.
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Create a File object in memory from a string in Java
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The File class represents the "idea" of a file, not an actual handle to use for I/O. This is why the File class has a .exists() method, to tell you if the file exists or not. (How can you have a File object that doesn't exist?)
By contrast, constructing...
How do I check the operating system in Python?
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You can get a pretty coarse idea of the OS you're using by checking sys.platform.
Once you have that information you can use it to determine if calling something like os.uname() is appropriate to gather more specific information. You could also use so...