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Difference between Convert.ToString() and .ToString()
...tring tries to use IFormattable and IConvertible interfaces before calling base Object.ToString.
Example:
class FormattableType : IFormattable
{
private double value = 0.42;
public string ToString(string format, IFormatProvider formatProvider)
{
if (formatProvider == null)
...
How do I check if an object has a specific property in JavaScript?
...oming from the prototype. You could shift it to be more lenient or strict, based upon your situation, but at the very least this should be more helpful.
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Is there a way to remove the separator line from a UITableView?
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64
You can do this in the storyboard / xib editor as well. Just set Seperator to none.
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Default filter in Django admin
... }
def queryset(self, request, queryset): # Run the queryset based on your lookup values
if self.value() is None:
return queryset.filter(status=5)
elif int(self.value()) == 0:
return queryset.filter(status__lte=4)
elif int(self.value()) =...
How to clear MemoryCache?
...
SignaledChangeMonitor.Signaled += OnSignalRaised;
base.InitializationComplete();
}
public static void Signal(string name = null)
{
if (Signaled != null)
{
// Raise shared event to notify all subscribers
...
How to remove last n characters from every element in the R vector
...of functions whose names are most consistent and descriptive than those in base R (in fact I always google for "how to get the number of characters in R" as I can't remember the name nchar()).
library(stringr)
str_sub(iris$Species, end=-4)
#or
str_sub(iris$Species, 1, str_length(iris$Species)-3)
...
Can C++ code be valid in both C++03 and C++11 but do different things?
....
size_t s = list.size(); // Might be an O(n) operation in C++03
std::ios_base::failure does not derive directly from std::exception anymore
While the direct base-class is new, std::runtime_error is not. Thus:
try {
std::cin >> variable; // exceptions enabled, and error here
} catch(std::...
How to call asynchronous method from synchronous method in C#?
...
Asynchronous programming does "grow" through the code base. It has been compared to a zombie virus. The best solution is to allow it to grow, but sometimes that's not possible.
I have written a few types in my Nito.AsyncEx library for dealing with a partially-asynchronous code b...
What is the meaning of polyfills in HTML5?
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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What algorithm gives suggestions in a spell checker?
...i think it's the right result. Becasue what we expect is the closest word, based on the spelling of input word. If you are still in doubt, think this way --- suppose there is a rare word which user spelled correctly. Now its distance is 0 but frequency very low. Now in suggestions, we should list th...