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Ruby combining an array into one string
In Ruby is there a way to combine all array elements into one string?
3 Answers
3
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How to convert an int to a hex string?
...>> chr(65) == '\x41'
True
Note that this is quite different from a string containing an integer as hex. If that is what you want, use the hex builtin.
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Check OS version in Swift?
...0 or 11 using if:
let floatVersion = (UIDevice.current.systemVersion as NSString).floatValue
EDIT:
Just found another way to achieve this:
let iOS8 = floor(NSFoundationVersionNumber) > floor(NSFoundationVersionNumber_iOS_7_1)
let iOS7 = floor(NSFoundationVersionNumber) <= floor(NSFoundatio...
How can I combine two HashMap objects containing the same types?
... values, so you'll need to use a loop or Map.forEach. Here we concatenate strings for duplicate keys:
map3 = new HashMap<>(map1);
for (Map.Entry<String, String> e : map2.entrySet())
map3.merge(e.getKey(), e.getValue(), String::concat);
//or instead of the above loop
map2.forEach((k...
Php multiple delimiters in explode
I have a problem, I have a string array, and I want to explode in different delimiter. For Example
12 Answers
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How do I escape a single quote ( ' ) in JavaScript? [duplicate]
...o escape it with \.
If you want to escape single quotes in a single quote string:
var string = 'this isn\'t a double quoted string';
var string = "this isn\"t a single quoted string";
// ^ ^ same types, hence we need to escape it with a backslash
or if you want to escape \', yo...
Spring .properties file: get element as an Array
...ava class like this:
@Value("${base.module.elementToSearch}")
private String[] elementToSearch;
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What's the fastest way to read a text file line-by-line?
...der = new StreamReader(fileStream, Encoding.UTF8, true, BufferSize)) {
String line;
while ((line = streamReader.ReadLine()) != null)
// Process line
}
The FileStream constructor allows you to specify FileOptions. For example, if you are reading a large file sequentially from beginn...
How can I format a decimal to always show 2 decimal places?
... point and two to the right of it and no more...), then converting them to strings with str will work fine:
str(Decimal('10'))
# -> '10'
str(Decimal('10.00'))
# -> '10.00'
str(Decimal('10.000'))
# -> '10.000'
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Declaring abstract method in TypeScript
... officially live.
abstract class Animal {
constructor(protected name: string) { }
abstract makeSound(input : string) : string;
move(meters) {
alert(this.name + " moved " + meters + "m.");
}
}
class Snake extends Animal {
constructor(name: string) { super(name); }
...