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Hash Map in Python
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Hash maps are built-in in Python, they're called dictionaries:
streetno = {} #create a dictionary called streetno
streetno["1"] = "Sachin Tendulkar" #assign value to key "1"
Usage:
"1" in streetno #check if key "1" is...
What is the Haskell response to Node.js?
.... The code is easier to get right, and easier to understand and maintain.
callbacks on a single OS thread is cooperative multitasking, as opposed to preemptive multitasking, which is what you get with threads. The main disadvantage with cooperative multitasking is that the programmer is responsibl...
How many classes should I put in one file? [closed]
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A Python file is called a "module" and it's one way to organize your software so that it makes "sense". Another is a directory, called a "package".
A module is a distinct thing that may have one or two dozen closely-related classes. The tr...
is_null($x) vs $x === null in PHP [duplicate]
... someone strongly suggested that I use is_null() instead as it is specifically designed for the null-evaluation purpose. He also started talking about math or something.
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javascript toISOString() ignores timezone offset [duplicate]
...ou. Just a note: it does keep "Z" at the end of the string, which is technically wrong, but easy to edit out.
– Steve Gon
Feb 7 '19 at 19:22
2
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Replace Line Breaks in a String C#
...e or they fail if the replacement string contains line breaks because they call string.Replace multiple times.
Here's a solution that uses a regular expression to make all three replacements in just one pass over the string. This means that the replacement string can safely contain line breaks.
st...
Launch an app from within another (iPhone)
... what happens if 2 apps register the same url handler and then the url is called? I know in Android you will be presented w/ a list so you can choose which of the two you want to run. How does ios handle this?
– eggie5
Jul 26 '11 at 4:13
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Reading a plain text file in Java
...r
I'd also recommend you download and read this wonderful (yet free) book called Thinking In Java
In Java 7:
new String(Files.readAllBytes(...))
(docs)
or
Files.readAllLines(...)
(docs)
In Java 8:
Files.lines(..).forEach(...)
(docs)
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Label under image in UIButton
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Or you can just use this category:
ObjC
@interface UIButton (VerticalLayout)
- (void)centerVerticallyWithPadding:(float)padding;
- (void)centerVertically;
@end
@implementation UIButton (VerticalLayout)
- (void)centerVerticallyWithPadding:(float)padding {
CGSize imageSize = self.imag...
What are the differences between a multidimensional array and an array of arrays in C#?
....0
IL_0001: ldarg.1
IL_0002: ldarg.2
IL_0003: ldarg.3
IL_0004: call instance void int32[0...,0...]::Set(int32,
int32,
int32)
IL_0009: ret
} // end of method Prog...