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C#: How to convert a list of objects to a list of a single property of that object?
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List<string> firstNames = people.Select(person => person.FirstName).ToList();
And with sorting
List<string> orderedNames = people.Select(person => person.FirstName).OrderBy(name => name).ToList();
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Caveats of select/poll vs. epoll reactors in Twisted
...ePoll is a natural replacement for Select and Poll based networking, especially with Twisted. Which makes me paranoid, its pretty rare for a better technique or methodology not to come with a price.
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Tags for Emacs: Relationship between etags, ebrowse, cscope, GNU Global and exuberant ctags
...up of definitions, navigation of source code base or the previewing of doc-strings.
5 Answers
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What is the correct format to use for Date/Time in an XML file
...e/Time when writing to an XML file using .NET? Do I simply use DateTime.ToString() , or do I have to use a specific format?
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MySQL and GROUP_CONCAT() maximum length
...g GROUP_CONCAT() in a MySQL query to convert multiple rows into a single string.
However, the maximum length of the result of this function is 1024 characters.
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How to remove all subviews of a view in Swift?
...hese features are fun!
let funTimes = ["Awesome","Crazy","WTF"]
extension String {
func readIt() {
print(self)
}
}
funTimes.forEach({ $0.readIt() })
//// END EDIT
Just do this:
for view in self.view.subviews {
view.removeFromSuperview()
}
Or if you are looking for a spec...
How do I get the path of the assembly the code is in?
...e following property as we use this often in unit testing.
public static string AssemblyDirectory
{
get
{
string codeBase = Assembly.GetExecutingAssembly().CodeBase;
UriBuilder uri = new UriBuilder(codeBase);
string path = Uri.UnescapeDataString(uri.Path);
r...
How can my iphone app detect its own version number?
... version and revision number using something similar to the following:
[NSString stringWithFormat:@"Version %@ (%@)", [[[NSBundle mainBundle] infoDictionary] objectForKey:@"CFBundleVersion"], kRevisionNumber]
which will create a string of the format "Version 1.0 (51)".
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Copy to clipboard in Node.js?
...oc.stdin.write(data); proc.stdin.end();
}
write() can take a buffer or a string. The default encoding for a string will be utf-8.
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How do I convert an HttpRequestBase into an HttpRequest object?
...te list of restricted headers.
*/
private static readonly string[] RestrictedHeaders = new string[] { "Accept", "Connection", "Content-Length", "Content-Type", "Date", "Expect", "Host", "If-Modified-Since", "Range", "Referer", "Transfer-Encoding", "User-Agent", "Proxy-Connection" };...