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How to get all enum values in Java?
I came across this problem that I without knowing the actual enum type I need to iterate its possible values.
7 Answers
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How can I remove the string “\n” from within a Ruby string?
...ow character expansion and expression interpolation ie. they let you use escaped control chars like \n to represent their true value, in this case, newline, and allow the use of #{expression} so you can weave variables and, well, pretty much any ruby expression you like into the text.
While on the ...
Read file data without saving it in Flask
I am writing my first flask application. I am dealing with file uploads, and basically what I want is to read the data/content of the uploaded file without saving it and then print it on the resulting page. Yes, I am assuming that the user uploads a text file always.
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Best way to create an empty map in Java
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1) If the Map can be immutable:
Collections.emptyMap()
// or, in some cases:
Collections.<String, String>emptyMap()
You'll have to use the latter sometimes when the compiler cannot automatically figure out what kind of Map is nee...
Efficient list of unique strings C#
...hat is the most efficient way to store a list of strings ignoring any duplicates?
I was thinking a dictionary may be best inserting strings by writing dict[str] = false; and enumerating through the keys as a list. Is that a good solution?
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How can I wrap or break long text/word in a fixed width span?
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You can use the CSS property word-wrap:break-word;, which will break words if they are too long for your span width.
span {
display:block;
width:150px;
word-wrap:break-word;
}
<span>VeryLongLongLongLon...
Default parameter for CancellationToken
I have some async code that I would like to add a CancellationToken to. However, there are many implementations where this is not needed so I would like to have a default parameter - perhaps CancellationToken.None . However,
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How to force LINQ Sum() to return 0 while source collection is empty
Basically when I do the following query, if no leads were matched the following query throws an exception. In that case I'd prefer to have the sum equalize 0 rather than an exception being thrown.
Would this be possible in the query itself - I mean rather than storing the query and checking query.A...
SQL Server: Examples of PIVOTing String data
...on text as well as numbers. This query will only require the table to be scanned once.
SELECT Action,
MAX( CASE data WHEN 'View' THEN data ELSE '' END ) ViewCol,
MAX( CASE data WHEN 'Edit' THEN data ELSE '' END ) EditCol
FROM t
GROUP BY Action
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How do I turn a String into a InputStreamReader in java?
How can I transform a String value into an InputStreamReader ?
6 Answers
6
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