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How to copy from current position to the end of line in vi
... to the end of the line with y$ and paste with p.
To copy/paste between different instances, you can use the system clipboard by selecting the * register, so the commands become "*y$ for copying and "*p for pasting.
$ move-to-linebreak
$
y$ yank-to-linebreak
y,$
"*y$ select clipboard-register...
How to check whether a string is Base64 encoded or not
I want to decode a Base64 encoded string, then store it in my database. If the input is not Base64 encoded, I need to throw an error.
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How to dump a dict to a json file?
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Tip : If you don't want to write to a file, and only see the output, try redirecting it to stdout: json.dump('SomeText', sys.stdout)
– Arindam Roychowdhury
Dec 14 '16 at 8:48
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HTML code for an apostrophe
...he question says “apostrophe”, not “single quote”. If you already know you want an apostrophe, you might as well use the proper apostrophe ’ (’). It does no harm and will make some readers happier.
– Rory O'Kane
Jun 18 '12 at 17:34
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Drop all tables whose names begin with a certain string
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You may need to modify the query to include the owner if there's more than one in the database.
DECLARE @cmd varchar(4000)
DECLARE cmds CURSOR FOR
SELECT 'drop table [' + Table_Name + ']'
FROM INFORMATION_SCHEMA.TABLES
WHERE Table_Name LIKE 'p...
Should I use encodeURI or encodeURIComponent for encoding URLs?
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If you're encoding a string to put in a URL component (a querystring parameter), you should call encodeURIComponent.
If you're encoding an existing URL, call encodeURI.
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Difference between -pthread and -lpthread while compiling
What is the difference between gcc -pthread and gcc -lpthread which is used while compiling multithreaded programs?
3 A...
How can I initialize base class member variables in derived class constructor?
...rivate. You can't initialize them because they are not members of class B. If you made them public or protected you could assign them in the body of B::B().
– R Samuel Klatchko
Sep 13 '11 at 17:22
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Why do assignment statements return a value?
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@user437291: If instance construction wasn’t an expression, you couldn’t do anything with the constructed object — you couldn’t assign it to something, you couldn’t pass it into a method, and you couldn’t call any methods on i...
How can I get the source code of a Python function?
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If the function is from a source file available on the filesystem, then inspect.getsource(foo) might be of help:
If foo is defined as:
def foo(arg1,arg2):
#do something with args
a = arg1 + arg2
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