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Why is address zero used for the null pointer?
In C (or C++ for that matter), pointers are special if they have the value zero: I am adviced to set pointers to zero after freeing their memory, because it means freeing the pointer again isn't dangerous; when I call malloc it returns a pointer with the value zero if it can't get me memory; I use ...
Razor HtmlHelper Extensions (or other namespaces for views) Not Found
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Since the Beta, Razor uses a different config section for globally defining namespace imports. In your Views\Web.config file you should add the following:
<configSections>
<sectionGroup name="system.web.webPages.razor" type="System.Web.WebPages.Razor.Configuration.Ra...
CSS3 Transparency + Gradient
...d so is -webkit-gradient , -moz-gradient , and uh... progid:DXImageTransform.Microsoft.gradient ... yeah. :)
7 Answers
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Simple regular expression for a decimal with a precision of 2
What is the regular expression for a decimal with a precision of 2?
17 Answers
17
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How to decide font color in white or black depending on background color?
...e conversion here, they're easy to look up.
Once you have the intensities for the individual colors, you can determine the overall intensity of the color and choose the corresponding text.
if (red*0.299 + green*0.587 + blue*0.114) > 186 use #000000 else use #ffffff
The threshold of 186 is bas...
Is it possible to apply CSS to half of a character?
What I am looking for:
19 Answers
19
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How to create a inset box-shadow only on one side?
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This is what you are looking for. It has examples for each side you want with a shadow.
.top-box
{
box-shadow: inset 0 7px 9px -7px rgba(0,0,0,0.4);
}
.left-box
{
box-shadow: inset 7px 0 9px -7px rgba(0,0,0,0.4);
}
.right-box
{
box-shadow: in...
How do SO_REUSEADDR and SO_REUSEPORT differ?
The man pages and programmer documentations for the socket options SO_REUSEADDR and SO_REUSEPORT are different for different operating systems and often highly confusing. Some operating systems don't even have the option SO_REUSEPORT . The WEB is full of contradicting information regarding th...
Formula to determine brightness of RGB color
I'm looking for some kind of formula or algorithm to determine the brightness of a color given the RGB values. I know it can't be as simple as adding the RGB values together and having higher sums be brighter, but I'm kind of at a loss as to where to start.
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How can I easily view the contents of a datatable or dataview in the immediate window
...l of which work on string objects, and the dataset visualizer, which works for DataSet, DataView, and DataTable objects.
To use it, break into your code, mouse over your DataSet, expand the quick watch, view the Tables, expand that, then view Table[0] (for example). You will see something like {Ta...