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C# 5 async CTP: why is internal “state” set to 0 in generated code before EndAwait call?
...l answer. I sort of worked it out on my own, but only after Lucian Wischik from the VB part of the team confirmed that there really is a good reason for it. Many thanks to him - and please visit his blog, which rocks.
The value 0 here is only special because it's not a valid state which you might b...
How do I convert a String to an int in Java?
... do something else if you like.)
Alternatively, you can use an Ints method from the Guava library, which in combination with Java 8's Optional, makes for a powerful and concise way to convert a string into an int:
import com.google.common.primitives.Ints;
int foo = Optional.ofNullable(myString)
.m...
Android Webview - Webpage should fit the device screen
...onstant that I knew beforehand, since I was just displaying a single image from the assets folder. As I said above, I don't know how you can get the width of the actual webpage.
– danh32
Feb 8 '12 at 14:43
...
Appending a vector to a vector [duplicate]
... standard specifically says that the iterators given to insert must not be from the same range as the receiver object's elements, so I suppose that technically speaking it's UB.
– templatetypedef
Jan 30 '14 at 21:47
...
What should every JavaScript programmer know? [closed]
...ing the sometimes-ugly details of how JavaScript and the DOM actually work from you. If your aim is to be able to say “I know JavaScript”, then investing a lot of time in a framework is opposed to that.
Here are some JavaScript language features that you should know to grok what it's doing and ...
Are parallel calls to send/recv on the same socket valid?
...e talking about POSIX send/recv then yes, you can call them simultaneously from multiple threads and things will work.
This doesn't necessarily mean that they'll be executed in parallel -- in the case of multiple sends, the second will likely block until the first completes. You probably won't not...
Objective-C - Remove last character from string
...mentation for the different ways you can create an NSString object, either from a file on disk or from data in your application.
– Marc Charbonneau
Jul 6 '09 at 12:39
1
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Difference between `constexpr` and `const`
...e use of this fact for optimizations. It also helps prevent the programmer from writing code that modifies objects that were not meant to be modified after initialization.
constexpr declares an object as fit for use in what the Standard calls constant expressions. But note that constexpr is not the...
What is the global interpreter lock (GIL) in CPython?
...
Python's GIL is intended to serialize access to interpreter internals from different threads. On multi-core systems, it means that multiple threads can't effectively make use of multiple cores. (If the GIL didn't lead to this problem, most people wouldn't care about the GIL - it's only being ra...
Why is 128==128 false but 127==127 is true when comparing Integer wrappers in Java?
...e "pooled", and it returns the same instance for values smaller than 128.
From the java 1.6 source code, line 621:
public static Integer valueOf(int i) {
if(i >= -128 && i <= IntegerCache.high)
return IntegerCache.cache[i + 128];
else
return new Integer(i);
}
...