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Python Empty Generator Function
...should go to Unutbu for giving the first correct version of this answer.)
Now, you may find the above clearer, but I can imagine situations in which it would be less clear. Consider this example of a long list of (contrived) generator function definitions:
def zeros():
while True:
yiel...
How to get a value from a cell of a dataframe?
...as 10.1/13.1
I upgraded from 10.1 to 13.1, before iloc is not available.
Now with 13.1, iloc[0]['label'] gets a single value array rather than a scalar.
Like this:
lastprice=stock.iloc[-1]['Close']
Output:
date
2014-02-26 118.2
name:Close, dtype: float64
...
Extract a regular expression match
...
One way would be this:
test <- regexpr("[0-9]+","aaa12456xxx")
Now, notice regexpr gives you the starting and ending indices of the string:
> test
[1] 4
attr(,"match.length")
[1] 5
So you can use that info with substr function
substr("aaa12456xxx",test,test+attr(test,"match.le...
How to write an inline IF statement in JavaScript?
...e minor if the value is true, and major if the value is false.
This is known as a Conditional (ternary) Operator.
https://developer.mozilla.org/en-US/docs/JavaScript/Reference/Operators/Conditional_Operator
share
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python pandas: Remove duplicates by columns A, keeping the row with the highest value in column B
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This answer is now obsolete. See @Ted Petrou's answer below.
– cxrodgers
Apr 27 '17 at 22:26
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How to trigger a file download when clicking an HTML button or JavaScript
This is crazy but I don't know how to do this, and because of how common the words are, it's hard to find what I need on search engines. I'm thinking this should be an easy one to answer.
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Delete last char of string
...s searching the string. It could be removing from somewhere in the middle. Now the maintenance programmer has to examine all uses of the method, to see what was trying to be accomplished. Not a good method to call, for this simple need of removing from the end of a string. Sorry for all the critici...
IntelliJ: Working on multiple projects
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For those that are new to IntelliJ and don't know where the "Maven Projects" window is: top right corner.
– dustin.schultz
Mar 8 '16 at 22:55
1
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How can I find all of the distinct file extensions in a folder hierarchy?
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actually there is prowershell for linux out now: github.com/Microsoft/PowerShell-DSC-for-Linux
– KIC
Sep 16 '16 at 13:44
4
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Multiple cases in switch statement
...ault in Visual Studio 2017/.NET Framework 4.6.2), range-based switching is now possible with the switch statement and would help with the OP's problem.
Example:
int i = 5;
switch (i)
{
case int n when (n >= 7):
Console.WriteLine($"I am 7 or above: {n}");
break;
case in...