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Insert line after first match using sed
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Note the standard sed syntax (as in POSIX, so supported by all conforming sed implementations around (GNU, OS/X, BSD, Solaris...)):
sed '/CLIENTSCRIPT=/a\
CLIENTSCRIPT2="hello"' file
Or on one line:
sed -e '/CLIENTSCRIPT=/a\' -e 'CLIENTSCRIPT2="hello"' file
(-expressions (and the cont...
Why does pycharm propose to change method to static
...r responding to a protocol subtype field. All handlers had to be the same form of course (static or nonstatic). But some didn't happen to do anything with the instance. If I made those static I'd get "TypeError: 'staticmethod' object is not callable".
In support of the OP's consternation, sugges...
How can I convert byte size into a human-readable format in Java?
How can I convert byte size into a human-readable format in Java?
25 Answers
25
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How to store a dataframe using Pandas
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@geekazoid In case the data needs to be transformed after loading (i.e. string/object to datetime64) this would need to be done again after loading a saved csv, resulting in performance loss. pickle saves the dataframe in it's current state thus the data and its format ...
Generate array of all letters and digits
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for letters or numbers you can form ranges and iterate over them. try this to get a general idea:
("a".."z").each { |letter| p letter }
to get an array out of it, just try the following:
("a".."z").to_a
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Xml configuration versus Annotation based configuration [closed]
...d as transactional with an annotation makes perfect sense, since this is information a programmer would probably wish to know. But that an interface is going to be injected as a SubtypeY instead of a SubtypeX should not be included in the class, because if now you wish to inject SubtypeX, you have ...
ASP.NET MVC - Attaching an entity of type 'MODELNAME' failed because another entity of the same type
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slightly neater and more performant: if (db.As.AsNoTracking().Any(x => x.aID == aID && x.UserID==userID))
– Brent
Jul 8 '14 at 10:40
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Deleting DataFrame row in Pandas based on column value
... Thanks! Fwiw, for me this had to be df=df[~df['DATE'].isin(['2015-10-30.1', '2015-11-30.1', '2015-12-31.1'])]
– citynorman
Dec 5 '16 at 14:47
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Multiple Inheritance in C#
... It does have it's caveats, it isn't CLS compliant for example. For more information see this (2004) article blogs.msdn.com/b/csharpfaq/archive/2004/03/07/…
– dvdvorle
Mar 1 '12 at 8:45
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What is the difference between char * const and const char *?
...stant char (so nothing about it can be changed).
Note:
The following two forms are equivalent:
const char *
and
char const *
The exact reason for this is described in the C++ standard, but it's important to note and avoid the confusion. I know several coding standards that prefer:
char cons...