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How to read data when some numbers contain commas as thousand separator?
I have a csv file where some of the numerical values are em>x m>pressed as strings with commas as thousand separator, e.g. "1,513" instead of 1513 . What is the simplest way to read the data into R?
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Is there a shortcut to make a block comment in m>X m>code?
...ompatible C code, and hence I can't use the line ( // ) comment. I'm using m>X m>code. In Sublime Tem>x m>t and Eclipse, and I think most other IDEs, there are separate keyboard shortcuts for line comments and block comments ( /**/ ). However, I don't see that in m>X m>code - in fact, I don't even see a menu optio...
Replace all 0 values to NA
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Replacing all zeroes to NA:
df[df == 0] <- NA
Em>x m>planation
1. It is not NULL what you should want to replace zeroes with. As it says in ?'NULL',
NULL represents the null object in R
which is unique and, I guess, can be seen as the most uninformative and empty object...
How can I use goto in Javascript?
I have some code that I absolutely must implement using goto . For em>x m>ample, I want to write a program like this:
16 Answer...
Add up a column of numbers at the Unim>x m> shell
Given a list of files in files.tm>x m>t , I can get a list of their sizes like this:
20 Answers
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Why does Enumerable.All return true for an empty sequence? [duplicate]
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It's certainly not a bug. It's behaving em>x m>actly as documented:
true if every element of the source sequence passes the test in the specified predicate, or if the sequence is empty; otherwise, false.
Now you can argue about whether or not it should work that wa...
Is there an em>x m>pression for an infinite generator?
Is there a straight-forward generator em>x m>pression that can yield infinite elements?
7 Answers
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performing HTTP requests with cURL (using PROm>X m>Y)
I have this prom>x m>y address: 125.119.175.48:8909
16 Answers
16
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Override intranet compatibility mode IE8
...ol>
<customHeaders>
<clear />
<add name="m>X m>-UA-Compatible" value="IE=edge" />
</customHeaders>
</httpProtocol>
</system.webServer>
Equivalent for Apache:
Header set m>X m>-UA-Compatible: IE=Edge
And for nginm>x m>:
add_header "m>X m>-UA-Compatible"...
Is it better to use C void arguments “void foo(void)” or not “void foo()”? [duplicate]
...ty parameter lists. This was simply because I imagine someone reading the em>x m>planation and then thinking "Oh, I wonder what amazing things I can achieve with this feature?" Then the nem>x m>t thing they'll find out about is using ... to write functions like printf, and I wanted to discourage that right aw...