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Writing handler for UIAlertAction
...on!) in println("Foo")}))
this is the proper way to define handlers in Swift.
As Brian pointed out below, there are also easier ways to define these handlers. Using his methods is discussed in the book, look at the section titled Closures
...
Tool to read and display Java .class versions
...o.class");
DataInputStream data = new DataInputStream(in)) {
if (0xCAFEBABE != data.readInt()) {
throw new IOException("invalid header");
}
int minor = data.readUnsignedShort();
int major = data.readUnsignedShort();
System.out.println(major + "." + minor...
What are the differences between .so and .dylib on osx?
...-dynamiclib flag to the compiler. (-fPIC is the default and needn't be specified.)
Loadable modules are called "bundles" in Mach-O speak. They have the file type MH_BUNDLE. They can carry any extension; the extension .bundle is recommended by Apple, but most ported software uses .so for the sake of...
Print a list in reverse order with range()?
...d() function:
reversed(range(10))
It's much more meaningful.
Update:
If you want it to be a list (as btk pointed out):
list(reversed(range(10)))
Update:
If you want to use only range to achieve the same result, you can use all its parameters. range(start, stop, step)
For example, to gener...
Add list to set?
...t each individual element every time you perform these operations. The specific algorithms used are explained in the Wikipedia article. Pythons hashing algorithms are explained on effbot.org and pythons __hash__ function in the python reference.
Some facts:
Set elements as well as dictionary keys...
Swift - Convert to absolute value
...
With Swift 5, you may use one of the two following ways in order to convert an integer to its absolute value.
#1. Get absolute value of an Int from magnitude property
Int has a magnitude property. magnitude has the following dec...
PHP Session Fixation / Hijacking
...nt these problems. I've been reading the following two articles on Chris Shiflett's website:
5 Answers
...
Having issue with multiple controllers of the same name in my project
...
The error message contains the recommended solution: "If this is the case, register this route by calling an overload of the 'MapRoute' method that takes a 'namespaces' parameter."
routes.MapRoute(
"Default", // Route name
"{controller}/{action}/{id}", // URL with par...
How to delete a character from a string using Python
...te a new string. You have a few options of how to create the new string. If you want to remove the 'M' wherever it appears:
newstr = oldstr.replace("M", "")
If you want to remove the central character:
midlen = len(oldstr)/2 # //2 in python 3
newstr = oldstr[:midlen] + oldstr[midlen+1:]
Yo...
Random strings in Python
... Neat! I'm actually using this for a random password generator now! Thanks!
– chandsie
Apr 15 '11 at 0:45
13
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