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What do the plus and minus signs mean in Objective-C next to a method?
...tain object instances directly using special syntax, like in the case of a string like this:
NSString *myStringInstance = @"abc";
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Difference between \n and \r?
...al results in this output NOPdefghijlm. The \r (carriage return) in the string results in the cursor moving to the beginning of the line (carriage) and the characters following the \r (i.e. "NOP") overwrite what was previously there (i.e. the "abc")! You can achieve similar "carriage movement" wi...
Replace duplicate spaces with a single space in T-SQL
...
Even tidier:
select string = replace(replace(replace(' select single spaces',' ','<>'),'><',''),'<>',' ')
Output:
select single spaces
s...
What is a WeakHashMap and when to use it? [duplicate]
...is good to implement canonical maps. Lets say you want to associate
some extra information to an object that you have a strong reference
to. You put an entry in a WeakHashMap with the object as the key, and
the extra information as the map value. Then, as long as you keep a
strong reference ...
Best way to convert string to bytes in Python 3?
There appear to be two different ways to convert a string to bytes, as seen in the answers to TypeError: 'str' does not support the buffer interface
...
Groovy executing shell commands
Groovy adds the execute method to String to make executing shells fairly easy;
7 Answers
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How do you disable browser Autocomplete on web form field / input tag?
... the code that generates the page, perhaps by adding some session-specific string to the end of the names.
When the form is submitted, you can strip that part off before processing them on the server side. This would prevent the web browser from finding context for your field and also might help ...
What's the best way to convert a number to a string in JavaScript? [closed]
What's the "best" way to convert a number to a string (in terms of speed advantage, clarity advantage, memory advantage, etc) ?
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How to create streams from string in Node.Js?
...y, ya-csv , that expects either a file or a stream as input, but I have a string.
11 Answers
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Passing properties by reference in C#
...Here are a few ways you can work around this limitation.
1. Return Value
string GetString(string input, string output)
{
if (!string.IsNullOrEmpty(input))
{
return input;
}
return output;
}
void Main()
{
var person = new Person();
person.Name = GetString("test", pe...