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Is String.Format as efficient as StringBuilder
...mat, args);
return builder.ToString();
}
The above code is a snippet from mscorlib, so the question becomes "is StringBuilder.Append() faster than StringBuilder.AppendFormat()"?
Without benchmarking I'd probably say that the code sample above would run more quickly using .Append(). But it's ...
Sending multipart/formdata with jQuery.ajax
...ontent-Type header for you, otherwise, the boundary string will be missing from it.
Also, you must leave the processData flag set to false, otherwise, jQuery will try to convert your FormData into a string, which will fail.
You may now retrieve the file in PHP using:
$_FILES['file-0']
(There is ...
Git merge two local branches
...
The answer from the Abiraman was absolutely correct. However, for newbies to git, they might forget to pull the repository. Whenever you want to do a merge from branchB into branchA.
First checkout and take pull from branchB (Make sure ...
Using two values for one switch case statement
...ys = "
+ numDays);
}
}
This is the output from the code:
Number of Days = 29
FALLTHROUGH:
Another point of interest is the break statement. Each break statement
terminates the enclosing switch statement. Control flow continues with
the first statement foll...
What is the 'override' keyword in C++ used for? [duplicate]
...
override is a C++11 keyword which means that a method is an "override" from a method from a base class. Consider this example:
class Foo
{
public:
virtual void func1();
}
class Bar : public Foo
{
public:
void func1() override;
}
If B::func1() signature...
Avoiding instanceof in Java
...
You might be interested in this entry from Steve Yegge's Amazon blog: "when polymorphism fails". Essentially he's addressing cases like this, when polymorphism causes more trouble than it solves.
The issue is that to use polymorphism you have to make the logic ...
Can I incorporate both SignalR and a RESTful API?
...really sped up the page considerably and reduced a lot of the server calls from the page.
3 Answers
...
Why does Math.Floor(Double) return a value of type Double?
I need to get the left hand side integer value from a decimal or double. For Ex: I need to get the value 4 from 4.6. I tried using Math.Floor function but it's returning a double value, for ex: It's returning 4.0 from 4.6. The MSDN documentation says that it returns an integer value. Am I missing so...
How can I get a file's size in C? [duplicate]
...
From fseek documentation "Library implementations are allowed to not meaningfully support SEEK_END (therefore, code using it has no real standard portability)."
– Mika Haarahiltunen
Sep ...
Android NDK C++ JNI (no implementation found for native…)
...ES instead of LOCAL_STATIC_LIBRARIES in android.mk. This stops the library from optimizing out unused API calls because the NDK cannot detect the use of the native bindings from java code.
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