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How to change current working directory using a batch file
..., just like the commands themselves (CD = cd). I believe that is also true for all external Windows command-line utilities (like FINDSTR, SORT etc.) Third-party tools, on the other hand, can use case-sensitive parameters.
– Andriy M
Feb 28 '17 at 13:36
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In Clojure, when should I use a vector over a list, and the other way around?
...at Vectors are not seqs, but Lists are. I'm not sure what the rationale is for using one over the other. It seems that vectors are used the most, but is there a reason for that?
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Search for selection in vim
I use vim and vim plugins for visual studio when writing C++. Often, I find myself wanting to search for a string within a function, for example every call to object->public_member.memberfunc() .
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Set a DateTime database field to “Now”
...o answer your question:
In a large table, since the function is evaluated for each row, you will end up getting different values for the updated field.
So, if your requirement is to set it all to the same date I would do something like this (untested):
DECLARE @currDate DATETIME;
SET @currDate = ...
What does [nyae] mean in Zsh?
... an extra key option that made nocorrect easier, like [nyaei] - i = ignore forever!
– manafire
Sep 21 '13 at 20:51
42
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D3.js: How to get the computed width and height for an arbitrary element?
I need to know exactly the width and height for an arbitrary g element in my SVG because I need to draw a selection marker around it once the user has clicked it.
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How to add an email attachment from a byte array?
...ions, MemoryStream is safe to leave undisposed, which may make life easier for you. Admittedly there's no guarantee that that will be true in the future, but I think it's unlikely that it will change. I can't see any indication as to whether disposing of the attachment disposes of its stream :(
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float64 with pandas to_csv
...ts, it is a general floating point problem.
However you can use the float_format key word of to_csv to hide it:
df.to_csv('pandasfile.csv', float_format='%.3f')
or, if you don't want 0.0001 to be rounded to zero:
df.to_csv('pandasfile.csv', float_format='%g')
will give you:
Bob,0.085
Alice,0...
Java: What is the difference between and ?
... to understand the following text... Does it mean that <clinit> is for empty constructors? Why is important to have two different versions?
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Does a break statement break from a switch/select?
...ification.
A "break" statement terminates execution of the innermost "for",
"switch" or "select" statement.
BreakStmt = "break" [ Label ] .
If there is a label, it must be that of an enclosing "for", "switch"
or "select" statement, and that is the one whose execution terminates
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