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The Concept of 'Hold space' and 'Pattern space' in sed
...m confused by the two concepts in sed: hold space and pattern space. Can someone help explain them?
3 Answers
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Lambda expression vs method reference [closed]
IntelliJ keeps proposing me to replace my lambda expressions with method references.
2 Answers
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How to remove all line breaks from a string
... global match,
/\r?\n|\r/g
respectively. Then proceed with the replace method as suggested in several other answers. (Probably you do not want to remove the newlines, but replace them with other whitespace, for example the space character, so that words remain intact.)
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Introducing FOREIGN KEY constraint may cause cycles or multiple cascade paths - why?
... where Stage is involved will have cascading delete enabled by default. It means, if you delete a Stage entity
the delete will cascade directly to Side
the delete will cascade directly to Card and because Card and Side have a required one-to-many relationship with cascading delete enabled by defau...
Write lines of text to a file in R
... If I have several threads all of which I would like to add lines to the same file? (The issue being is that you can't have more then one connection to a file, If I am not mistaken) Thanks.
– Tal Galili
Mar 18 '10 at 15:02
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Why should I care about lightweight vs. annotated tags?
...n annotated tag is that you know who created it. Just like with commits, sometimes it's nice to know who did it. If you're a developer and you see that v1.7.4 has been tagged (declared ready) and you're not so sure, who do you talk to? The person whose name is in the annotated tag! (If you live in a...
How do you clear the SQL Server transaction log?
I'm not a SQL expert, and I'm reminded of the fact every time I need to do something beyond the basics. I have a test database that is not large in size, but the transaction log definitely is. How do I clear out the transaction log?
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Remove HTML Tags from an NSString on the iPhone
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@James To use the method posted in the solution. You have to create a category for NSString. Look up "Objective-C Category" in Google. Then you add that method in the m file, and the prototype in the h file. When that is all set...
Detect IF hovering over element with jQuery
...or an action to call when hovering, but instead a way to tell if an element is being hovered over currently. For instance:
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Pickle incompatibility of numpy arrays between Python 2 and 3
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This seems like some sort of incompatibility. It's trying to load a "binstring" object, which is assumed to be ASCII, while in this case it is binary data. If this is a bug in the Python 3 unpickler, or a "misuse" of the pickler by numpy, I d...