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Defining an abstract class without any abstract methods
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And it's not just the OP. Look at all the upvotes the question has gotten!
– Marc W
Jan 27 '11 at 0:20
54...
GIT merge error “commit is not possible because you have unmerged files”
so I forgot to pull my code before editing it and then when I committed the new code and tried to push, I got the error push is not possible, at that point I did a "git pull" which made some files with conflict highlighted. I removed the conflicts but I don't know what to do from here..
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C++ mark as deprecated
...for this all I got was a Microsoft specific solution; #pragma deprecated and __declspec(deprecated) .
7 Answers
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Retrieving the last record in each group - MySQL
...dowing functions, like almost all popular SQL implementations. With this standard syntax, we can write greatest-n-per-group queries:
WITH ranked_messages AS (
SELECT m.*, ROW_NUMBER() OVER (PARTITION BY name ORDER BY id DESC) AS rn
FROM messages AS m
)
SELECT * FROM ranked_messages WHERE rn = 1...
What does “@” mean in Windows batch scripts
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It means not to output the respective command. Compare the following two batch files:
@echo foo
and
echo foo
The former has only foo as output while the latter prints
H:\Stuff>echo foo
foo
(here, at least). As can be seen the command that is run is visib...
How to check whether an object has certain method/property?
...ethod(methodName) != null;
}
Edit : you can even do an extension method and use it like this
myObject.HasMethod("SomeMethod");
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How to disable google translate from html in chrome
...his should still work but is less desirable because it is Google-specific, and there are other translation services out there.)
Add this tag in between <head> and </head>:
<meta name="google" content="notranslate">
Documentation reference
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Why does int num = Integer.getInteger(“123”) throw NullPointerException?
... variation of this problem was featured in Return of the Puzzlers: Schlock and Awe (TS-5186), Josh Bloch and Neal Gafter's 2009 JavaOne Technical Session presentation. Here's the concluding slide:
The Moral
Strange and terrible methods lurk in libraries
Some have innocuous soundi...
WPF Auto height in code
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Nimrod's answer is much more explicit and easier to understand.
– David
Oct 13 '16 at 15:29
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How does one escape backslashes and forward slashes in VIM find/search?
For instance, if I wanted to a find and replace with strings containing backward or forward slashes, how would this be accomplished in vim? Thank you!
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