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check if variable is dataframe
when my function f is called with a variable I want to check if var is a pandas dataframe:
2 Answers
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Zero-pad digits in string
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@KonradRudolph If i have pass as digit value as integer that time given error, If pass as string that time not problem
– Hiren Bhut
Feb 1 '18 at 11:45
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What is the difference between ndarray and array in numpy?
What is the difference between ndarray and array in Numpy? And where can I find the implementations in the numpy source code?
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Is there a built in function for string natural sort?
....isdigit() else text.lower()
for text in _nsre.split(s)]
Now this function can be used as a key in any function that uses it, like list.sort, sorted, max, etc.
As a lambda:
lambda s: [int(t) if t.isdigit() else t.lower() for t in re.split('(\d+)', s)]
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How can I test if a letter in a string is uppercase or lowercase using JavaScript?
...test it if upper or lower case
example
var strings = 'this iS a TeSt 523 Now!';
var i=0;
var character='';
while (i <= strings.length){
character = strings.charAt(i);
if (!isNaN(character * 1)){
alert('character is numeric');
}else{
if (character == character.toUpper...
How do I check if a string contains another string in Swift?
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You can do exactly the same call with Swift:
Swift 4 & Swift 5
In Swift 4 String is a collection of Character values, it wasn't like this in Swift 2 and 3, so you can use this more concise code1:
let string = "hello Swift"
if string.contains("Swift") {
p...
Qt 5.1.1: Application failed to start because platform plugin “windows” is missing
... comment which had been ignored by all users pointing to the missing lib. Now, many months later, the comment has been changed to an answer. However, when I answered this question by msyself I intended to help other people by directly providing the solution. This should not be forgotten and so far ...
Android studio, gradle and NDK
...gration". I understood it to mean "a way to use the NDK with gradle" which now does exist, albeit none of them are fantastic solutions. However, based on your comment, it seems your team has something else in mind for what a true integration could be. I retract my previous statement.
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How to crop an image in OpenCV using Python
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Alternatively, if you have defined a crop margin, you can do crop_img = img[margin:-margin, margin:-margin]
– Rufus
Aug 28 '18 at 2:35
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Combining node.js and Python
... communication between node.js and Python server, I would use Unix sockets if both processes run on the same server and TCP/IP sockets otherwise. For marshaling protocol I would take JSON or protocol buffer. If threaded Python shows up to be a bottleneck, consider using Twisted Python, which
provide...