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How do I trim whitespace?
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Python trim method is called strip:
str.strip() #trim
str.lstrip() #ltrim
str.rstrip() #rtrim
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Elegant way to combine multiple collections of elements?
...cat method whereas the subsequent sequences lie inside. I rather prefer to call the static Concat method directly and not the extension style:
var list = Enumerable.Concat(list1.Select(x => x),
list2.Where(x => true));
For more number of concats of sequences I c...
How to run a PowerShell script from a batch file
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I explain both why you would want to call a PowerShell script from a batch file and how to do it in my blog post here.
This is basically what you are looking for:
PowerShell -NoProfile -ExecutionPolicy Bypass -Command "& 'C:\Users\SE\Desktop\ps.ps1'"
And...
find all unchecked checkbox in jquery
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Why repeat the guidance already provided years earlier? Furthermore, please never post code-only snippets on SO. All answers should be explained.
– mickmackusa
Jul 17 at 5:19
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Covariance and contravariance real world example
...teLine(lifeForm.GetType().ToString());
}
}
PrintLifeForms can now be called with Zebras, Giraffes and any IEnumerable<> of any subclass of LifeForm
Contravariance (Generic with parameterized type decorated with in)
Contravariance is frequently used when functions are passed as paramete...
Measure execution time for a Java method [duplicate]
...od rather than currentTimeMillis():
long startTime = System.nanoTime();
myCall();
long stopTime = System.nanoTime();
System.out.println(stopTime - startTime);
In Java 8 (output format is ISO-8601):
Instant start = Instant.now();
Thread.sleep(63553);
Instant end = Instant.now();
System.out.prin...
How to fix: “UnicodeDecodeError: 'ascii' codec can't decode byte”
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Conversion from str to Unicode can happen even when you don't explicitly call unicode().
The following scenarios cause UnicodeDecodeError exceptions:
# Explicit conversion without encoding
unicode('€')
# New style format string into Unicode string
# Python will try to convert value string to ...
Can lambda functions be templated?
...(auto x){}; // imaginary syntax
}
In a constrained template you can only call other constrained templates. (Otherwise the constraints couldn't be checked.) Can foo invoke bar(x)? What constraints does the lambda have (the parameter for it is just a template, after all)?
Concepts weren't ready to ...
How do you explicitly set a new property on `window` in TypeScript?
...yNamespace: any; }
}
window.MyNamespace = window.MyNamespace || {};
Basically you need to extend the existing window interface to tell it about your new property.
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join list of lists in python [duplicate]
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@ZachEstela, I'm happy to see someone call this unpythonic. It seems like many techniques others like to call pythonic are not easily understood at first glance. Readability is one of the things that makes Python attractive to me. This solution is cool, and pr...