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How do I check if a number evaluates to infinity?
...=> input + "" === "NaN" || input + "" === "Infinity";
The above code converts values to strings and checks whether they are strictly equal to NaN or Infinity (you'll need to add another case for negative infinity).
So:
testInput(1/0); // true
testInput(parseInt("String")); // true
testInput(...
Remove duplicate elements from array in Ruby
...ive if anyone cares.
You can also use the to_set method of an array which converts the Array into a Set and by definition, set elements are unique.
[1,2,3,4,5,5,5,6].to_set => [1,2,3,4,5,6]
share
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Understanding __get__ and __set__ and Python descriptors
...AttributeError: __delete__
And you can't assign a variable that can't be converted to a float:
>>> t1.celsius = '0x02'
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "<stdin>", line 7, in __set__
ValueError: invalid literal for float(): ...
How to replace strings containing slashes with sed?
...yVar=%DEF_VALUE%" | sed -e s/%DEF_VALUE%/${VALUE}/g
MyVar=12345/6
I have converted this to a function to be used by various scripts:
escapeForwardSlashes() {
# Validate parameters
if [ -z "$1" ]
then
echo -e "Error - no parameter specified!"
return 1
...
Remove characters except digits from string using Python?
...
convert str to list to make sure it works on both py2 and py3: ''.join(filter(lambda x: x.isdigit(), list("dasdasd2313dsa")))
– Luiz C.
Feb 9 '17 at 18:25
...
error LNK2038: mismatch detected for '_ITERATOR_DEBUG_LEVEL': value '0' doesn't match value '2' in m
...on to test my static library.
1 Dll Solution static library.
Code which is converted to dll is using function from 1 lib called ClassificationFramework. I provided this lib as headers and cpp so basically source code. In Exe solution I linked my generated library + some other libs to run it + Classi...
How to create a simple map using JavaScript/JQuery [duplicate]
...the .toString of the key Objects, when storing and retrieving the entries, convert the objects to a string which represents your understanding of uniqueness. E.g. map[toUniqueString(key1)] = 1
Sometimes, though, that is not possible. If you want to map data based on, for example File objects, ther...
What is “android:allowBackup”?
...r the application data and settings. If a user performs a factory reset or converts to a new Android-powered device, the system automatically restores your backup data when the application is re-installed. This way, your users don't need to reproduce their previous data or application settings.
~T...
Any way to declare an array in-line?
...shortArrayOf()
byteArrayOf()
If you already have a Collection and wish to convert it to an array inline, simply use:
collection.toTypedArray()
If you need to coerce an array type, use:
array.toIntArray()
array.toLongArray()
array.toCharArray()
...
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How to “crop” a rectangular image into a square with CSS?
...ikely SASS/SCSS - If you're using straight CSS, this post tells you how to convert: stackoverflow.com/questions/26760776/…
– Steve Allday
Sep 12 at 23:28
...