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How can I check a C# variable is an empty string “” or null? [duplicate]
I am looking for the simplest way to do a check. I have a variable that can be equal to "" or null. Is there just one function that can check if it's not "" or null?
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PHPExcel auto size column width
I'm trying to auto size the columns of my sheet.
I'm writing the file and in the end I try to resize all of my columns.
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How to generate a random string of a fixed length in Go?
I want a random string of characters only (uppercase or lowercase), no numbers, in Go. What is the fastest and simplest way to do this?
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Do you use NULL or 0 (zero) for pointers in C++?
In the early days of C++ when it was bolted on top of C, you could not use NULL as it was defined as (void*)0 . You could not assign NULL to any pointer other than void* , which made it kind of useless. Back in those days, it was accepted that you used 0 (zero) for null pointers.
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Clear the cache in JavaScript
How do I clear a browsers cache with JavaScript?
20 Answers
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Replace multiple strings with multiple other strings
I'm trying to replace multiple words in a string with multiple other words. The string is "I have a cat, a dog, and a goat."
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In a storyboard, how do I make a custom cell for use with multiple controllers?
I'm trying to use storyboards in an app I'm working on. In the app there are Lists and Users and each contains a collection of the other (members of a list, lists owned by a user). So, accordingly, I have ListCell and UserCell classes. The goal is to have those be re-usable throughout the ap...
Can I change the color of auto detected links on UITextView?
I had a UITextView that detects phone numbers and links, but this overrides my fontColor and change it to blueColor . Is there a way to format the color of auto detected links, or should I try a manual version of this function?
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How do I get a plist as a Dictionary in Swift?
I am playing around with Apple's new Swift programming language and have some problems...
26 Answers
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What is the most efficient string concatenation method in python?
Is there any efficient mass string concatenation method in Python (like StringBuilder in C# or StringBuffer in Java)? I found following methods here :
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