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Is there an interactive way to learn Vim? [closed]
...all of text, or scrolling through vimtutor without knowing the commands to do so. I wondered if anything else existed for such a purpose.
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Add a column to a table, if it does not already exist
... to write a query for MS SQL Server that adds a column into a table. But I don't want any error display, when I run/execute the following query.
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How in node to split string by newline ('\n')?
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Try splitting on a regex like /\r?\n/ to be usable by both Windows and UNIX systems.
> "a\nb\r\nc".split(/\r?\n/)
[ 'a', 'b', 'c' ]
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How to generate serial version UID in Intellij
...e a serialVersionUID is tied to inspection warnings. You're stuck when you do not want to enable the inspection warning but generate serialVersionUID in some cases.
– Fabian Barney
Aug 9 '17 at 9:55
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Checking if a string is empty or null in Java [duplicate]
...ng HTML data. The String may be null or empty, when the word to parse does not match.
5 Answers
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Converting strings to floats in a DataFrame
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Please note that this does not work for columns (at leadt multiindex), works just for values in the dataframe
– denfromufa
Apr 29 '15 at 17:20
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Can a C# class inherit attributes from its interface?
...can have your class inherit attributes from its base class. You only can't do that with interfaces. See also: stackoverflow.com/questions/12106566/…
– chiccodoro
Jul 30 '14 at 9:04
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How to find what code is run by a button or element in Chrome using Developer Tools
...s one.
Open the Chrome Dev Tools (F12), and go to the Sources tab.
Drill down to Mouse -> Click
(click to zoom)
2. Click the button!
Chrome Dev Tools will pause script execution, and present you with this beautiful entanglement of minified code:
(click to zoom)
3. Find the glorious c...
Spring JPA @Query with LIKE
...nameLike(@Param("username") String username)" but as it is told in Spring documentation, this method is equal to
" where user.username like ?1 ". It is not good for me, as I already told that I'm trying to get all users whose username contains ...
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Storing custom objects in an NSMutableArray in NSUserDefaults
...comply to the NSCoding protocol. Adding methods like the following should do the trick:
- (void)encodeWithCoder:(NSCoder *)coder;
{
[coder encodeObject:label forKey:@"label"];
[coder encodeInteger:numberID forKey:@"numberID"];
}
- (id)initWithCoder:(NSCoder *)coder;
{
self = [super in...