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Creating default object from empty value in PHP?
...y the same thing which PHP is silently doing - unfortunatelly with warning now - implicit object creation. You should always check if the object already exists, unless you are absolutely sure that it doesn't. The code provided by Michael is no good in general, because in some contexts the object mig...
Using reCAPTCHA on localhost
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Update
The original answer is no longer correct. The developer's guide now states:
"If you would like to use "localhost" for development, you must add it to the list of domains."
This will only work if you access localhost using 127.0.0.1/... rather than localhost/....
The original answe...
javac option to compile all java files under a given directory recursively
...ories (like Sbt for Scala, Ivy for Ant, Graddle for Groovy).
Using an IDE
Now that what could boost your development productivity. There are a few open source alternatives (like Eclipse and NetBeans, I prefer the former) and even commercial ones (like IntelliJ) which are quite popular and powerful....
Advantages of Binary Search Trees over Hash Tables
...array. Of course, the ultimate number of elements being added may not be known, so the hash table may still allocate more space than is necessary. Binary search trees can waste just as much memory or more, though. Linked implementations need space for at least two additional pointers per element ...
How to handle checkboxes in ASP.NET MVC forms?
...ooking for your specific version of MVC, as many answers here are obsolete now.
22 Answers
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When is it appropriate to use C# partial classes?
... all sorts of heuristics to find the generated code for later processing. Now it can simply open the designer.cs file and have a high degree of confidence that it contains only code relevant to the designer.
share
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How to add a custom HTTP header to every WCF call?
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OperationContext.Current.OutgoingMessageHeaders.Add(untyped);
// now make the WCF call within this using block
}
And then, server-side you grab it using:
MessageHeaders headers = OperationContext.Current.IncomingMessageHeaders;
string identity = headers.GetHeader<string>("Identity...
What is the difference between Forking and Cloning on GitHub?
I'd like to know the differences between doing a Fork of a project and doing a clone of it.
9 Answers
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Replace all 0 values to NA
...e number of elements so that there can be no "holes" (i.e., NULL values).
Now you could replace zeroes by NULL in a data frame in the sense of completely removing all the rows containing at least one zero. When using, e.g., var, cov, or cor, that is actually equivalent to first replacing zeroes wit...
Choosing the default value of an Enum type without having to change values
... In your implicit conversion operator you need value + 1, otherwise now your default(Orientation) returns East. Also, make the constructor private. Good approach.
– nawfal
Jun 10 '15 at 20:53
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