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Call UrlHelper in models in ASP.NET MVC
...ul tip, in any ASP.NET application, you can get a reference of the current HttpContext
HttpContext.Current
which is derived from System.Web. Therefore, the following will work anywhere in an ASP.NET MVC application:
UrlHelper url = new UrlHelper(HttpContext.Current.Request.RequestContext);
url.A...
Calculate age given the birth date in the format YYYYMMDD
...y the most accurate, as it doesn't rely on the time of day.
Benchmarks: http://jsperf.com/birthday-calculation/15
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dplyr: “Error in n(): function should not be called directly”
...blog and then run solution in detach("package:plyr", unload=TRUE)
Blog : https://www.analyticsvidhya.com/blog/2017/09/comparative-stock-analysis/
Master_Data_AutoCorrelations<-Master_Data_lags %>%
gather(key = "lag", value = "lag_value", -c(Stock,Date, Close)) %>%
mutate(lag = str_su...
How do I print a double value with full precision using cout?
...forget the exact terminology) of a floating point number in base 10.
See: http://www.cplusplus.com/reference/std/limits/numeric_limits.html
For details about other attributes.
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Why use ICollection and not IEnumerable or List on many-many/one-many relationships?
... which methods you need access to. In general - IEnumerable<> (MSDN: http://msdn.microsoft.com/en-us/library/system.collections.ienumerable.aspx) for a list of objects that only needs to be iterated through, ICollection<> (MSDN: http://msdn.microsoft.com/en-us/library/92t2ye13.aspx) for ...
Email address validation using ASP.NET MVC data type attributes
...ExpressionAttributeAdapter));
}
/// <summary>
/// from: http://stackoverflow.com/a/6893571/984463
/// </summary>
public EmailAnnotation()
: base(@"^[\w!#$%&'*+\-/=?\^_`{|}~]+(\.[\w!#$%&'*+\-/=?\^_`{|}~]+)*"
+ "@"
+ @"((([\-\w]+...
Is it smart to replace boost::thread and boost::mutex with c++11 equivalents?
...ic linking, std::thread becomes unusable due to these gcc bugs/features:
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52590
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57740
Namely, if you call std::thread::detach or std::thread::join it will lead to either exception or crash, while boost::thread...
How does inheritance work for Attributes?
...eUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
Catch a thread's exception in the caller thread in Python
...ld thread, and it is in its own stack. One way I can think of right now to communicate this information to the parent thread is by using some sort of message passing, so you might look into that.
Try this on for size:
import sys
import threading
import Queue
class ExcThread(threading.Thread):
...
difference between primary key and unique key
...ven by the author may not seem suitable, but try to get an overall idea.
http://tsqltips.blogspot.com/2012/06/difference-between-unique-key-and.html
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