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Set value to null in WPF binding
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I am using .NET 3.5 SP1 so it's very simple:
<TextBox Text="{Binding Price, TargetNullValue=''}"/>
Which stands for (thanks Gregor for your comment):
<TextBox Text="{Binding Price, TargetNullValue={x:Static sys:String.Empty}...
Example JavaScript code to parse CSV data
...g 1-2 characters at a time and builds an array.
Test it at http://jsfiddle.net/vHKYH/.
function parseCSV(str) {
var arr = [];
var quote = false; // 'true' means we're inside a quoted field
// Iterate over each character, keep track of current row and column (of the returned array)
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Is there a performance impact when calling ToList()?
... bytes is what is killing this method. A bool will also occupy 4 bytes in .NET. Actually each reference of an object in .NET is at least 8 bytes long, so it's pretty slow. the first 4 bytes point to the type table & the second 4 bytes point to the value or memory location where to find the value...
How many constructor arguments is too many?
...to handle the situation. Particularly with WPF objects, you'll find that .NET classes tend to favor parameterless constructors and will throw exceptions if the data has not been initialized to a desirable state before calling the method. This is probably mainly specific to component-based design t...
How to change the value of attribute in appSettings section with Web.config transformation
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Enabling error display in PHP via htaccess only
...ed "AllowOverride Options" or "AllowOverride All" privileges to do so. php.net/manual/en/configuration.changes.php
– silex
May 25 '11 at 17:01
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Using a bitmask in C#
...es pointed out, an equivalent of the IsSet method above already exists in .NET 4.0: Enum.HasFlag. The Set and Unset methods don't appear to have equivalents, though; so I'd still say this class has some merit.
Note: Using enums is just the conventional way of tackling this problem. You can totall...
How can I set the max-width of a table cell using percentages?
...t: fixed;
}
See it in action at the updated fiddle here: http://jsfiddle.net/Fm5bM/4/
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Does Java have something like C#'s ref and out keywords?
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@fearofawhackplanet: Um, unless you use ref.
– Robert Harvey
May 10 '10 at 21:41
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What's the difference between a proxy server and a reverse proxy server? [closed]
...part I)
For an example, I will list three computers connected to the internet.
X = your computer, or "client" computer on the internet
Y = the proxy web site, proxy.example.org
Z = the web site you want to visit, www.example.net
Normally, one would connect directly from X --> Z.
However, in...