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Discard all and get clean copy of latest revision?
...he build process will have modified some files and added some files that I don't want to commit, so I have local changes and files that aren't added to the repository.
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What is a stream?
What is a stream in the programming world? Why do we need it?
6 Answers
6
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What is the difference between an expression and a statement in Python?
...statements as well. Examples:
# all the above expressions
print 42
if x: do_y()
return
a = 7
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Search and replace in bash using regular expressions
...MYVAR" | perl -pe 's/[a-zA-Z]/X/g and s/[0-9]/N/g'
This may allow you to do more creative matches... For example, in the snip above, the numeric replacement would not be used unless there was a match on the first expression (due to lazy and evaluation). And of course, you have the full language ...
What's the difference between returning void and returning a Task?
...rning async method cannot be awaited; it is a "fire and forget" method. It does work asynchronously, and you have no way of telling when it is done. This is more than a little bit weird; as SLaks says, normally you would only do that when making an asynchronous event handler. The event fires, the ha...
How can we prepend strings with StringBuilder?
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StringBuilder insert for java: java.sun.com/j2se/1.5.0/docs/api/java/lang/…
– Matthew Farwell
Apr 12 '09 at 16:21
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Return Boolean Value on SQL Select Statement
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What you have there will return no row at all if the user doesn't exist. Here's what you need:
SELECT CASE WHEN EXISTS (
SELECT *
FROM [User]
WHERE UserID = 20070022
)
THEN CAST(1 AS BIT)
ELSE CAST(0 AS BIT) END
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Dealing with “Xerces hell” in Java/Maven?
...get JavaMelody and Spring throwing java.lang.NoClassDefFoundError: org/w3c/dom/ElementTraversal at runtime.
– David Moles
May 28 '14 at 19:15
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Is there a tool to convert JavaScript files to TypeScript [closed]
...hat the Typescript compiler checks its input for valid JavaScript and just doesn't do anything in case it finds something. Intuitively this sounds good. You should be able to "convert" all your JavaScript to Typescript by merely updating the file extensions and be good to go. Unfortunately this does...
Length of string in bash
How do you get the length of a string stored in a variable and assign that to another variable?
8 Answers
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