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Changing one character in a string
What is the easiest way in Python to replace a character in a string?
11 Answers
11
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A numeric string as array key in PHP
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PHP, the server-side IE.
– Marek Maurizio
Mar 23 '14 at 15:03
5
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Converting String to Int with Swift
...used a:Int?
let a:Int? = firstText.text.toInt() // firstText is UITextField
let b:Int? = secondText.text.toInt() // secondText is UITextField
// check a and b before unwrapping using !
if a && b {
var ans = a! + b!
answerLabel.text = "Answer is \(ans)" // ans...
What is the difference between an int and a long in C++?
... Including something on the relative size-wise order of the types yields way more information than enumerating sizes for different platforms - like @Kevin states so nicely. (-1vote)
– xtofl
Nov 7 '08 at 12:43
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JavaScript: Object Rename Key
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The most complete (and correct) way of doing this would be, I believe:
if (old_key !== new_key) {
Object.defineProperty(o, new_key,
Object.getOwnPropertyDescriptor(o, old_key));
delete o[old_key];
}
This method ensures that the renamed property behaves identically to the...
Why does ConcurrentHashMap prevent null keys and values?
...currentMaps
(ConcurrentHashMaps, ConcurrentSkipListMaps) is that ambiguities that
may be just barely tolerable in non-concurrent maps can't be
accommodated. The main one is that if map.get(key) returns null, you
can't detect whether the key explicitly maps to null vs the key isn't
mapped. ...
How to reload a page using JavaScript
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Here are 535 ways to reload the page using JavaScript, the easiest being location = location.
These are the first 50:
location = location
location = location.href
location = window.location
location = self.location
location = window.location.href
location = self.location.href
location...
ASP.NET Identity reset password
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Code not working is only possible if the User retrieval context and store context are different. The code was only a sample steps, not accurate. Will soon update the answer to avoid this issue for others.
– jd4u
Oct 27 '13 at 7:14
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Convert a number range to another range, maintaining ratio
...nverting 10000 on the scale of -16000 to 16000 to a new scale of 0 to 100 yields:
old_value = 10000
old_min = -16000
old_max = 16000
new_min = 0
new_max = 100
new_value = ( ( 10000 - -16000 ) / (16000 - -16000) ) * (100 - 0) + 0
= 81.25
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Flatten an Array of Arrays in Swift
...an also map/transform things. but here in the example we really don't need ie we return $0
– Honey
Dec 4 '16 at 13:55
6
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