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Why does ++[[]][+[]]+[+[]] return the string “10”?
This is valid and returns the string "10" in JavaScript ( more examples here ):
9 Answers
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Is it possible to make abstract classes in Python?
...ct classes. Use the abstractmethod decorator to declare a method abstract, and declare a class abstract using one of three ways, depending upon your Python version.
In Python 3.4 and above, you can inherit from ABC. In earlier versions of Python, you need to specify your class's metaclass as ABCMet...
CSS two divs next to each other
... <div> s next to each other. The right <div> is about 200px; and the left <div> must fill up the rest of the screen width? How can I do this?
...
Why do I get a segmentation fault when writing to a “char *s” initialized with a string literal, but
...r a[] , it specifies the initial values
of the characters in that array (and,
if necessary, its size).
Anywhere else, it turns into an unnamed, static array of characters,
and this unnamed array may be stored
in read-only memory, and which
therefore cannot necessarily be
modified. In a...
What's this =! operator? [duplicate]
...
That's two operators, = and !, not one. It might be an obfuscated way of writing
a = !b;
if (a) {
// whatever
}
setting a to the logical inverse of b, and testing whether the result is true (or, equivalently, whether b was false).
Or it migh...
Converting string to byte array in C#
...red Apr 18 '13 at 0:54
Timothy RandallTimothy Randall
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...
Add support library to Android Studio project
I just installed the new Android Studio and I'm looking for a way to import the support library for Android.
6 Answers
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The 'Access-Control-Allow-Origin' header contains multiple values
...It works for $http.post(url, data). But as soon as I authenticate the user and make a request via $http.get(url), I get the message
...
How to check if a map contains a key in Go?
...ng here
}
Explanation:
if statements in Go can include both a condition and an initialization statement. The example above uses both:
initializes two variables - val will receive either the value of "foo" from the map or a "zero value" (in this case the empty string) and ok will receive a bool ...
Creating a byte array from a stream
... streams, you just don't know how much data there will be. In such cases - and before .NET 4 - I'd use code like this:
public static byte[] ReadFully(Stream input)
{
byte[] buffer = new byte[16*1024];
using (MemoryStream ms = new MemoryStream())
{
int read;
while ((read ...