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How do I make a list of data frames?
...e of your choice.
GETDF_FROMLIST <- function(DF_LIST, ITEM_LOC){
DF_SELECTED <- DF_LIST[[ITEM_LOC]]
return(DF_SELECTED)
}
Now get the one you want.
D1 <- GETDF_FROMLIST(mylist, 1)
D2 <- GETDF_FROMLIST(mylist, 2)
D3 <- GETDF_FROMLIST(mylist, 3)
D4 <- GETDF_FROMLIST(mylist,...
NoSql Crash Course/Tutorial [closed]
...uce...so let's create a map function do to the same as a bit of SQL code:
SELECT * FROM users WHERE age > 10
In CouchDB you provide the server with a JavaScript function that gets run against every item in the database...
function (doc)
{
if (doc.objType == "users") {
if (doc.age &...
Using StringWriter for XML Serialization
...n="1.0" encoding="utf-16"?>
<string>Test ሴ????</string>';
SELECT @Xml;
-- <string>Test ሴ????</string>
As you can see, it even handles characters beyond standard ASCII, given that ሴ is BMP Code Point U+1234, and ???? is Supplementary Character Code Point U+1F638. Ho...
Java 8 Streams: multiple filters vs. complex condition
...re is any difference.
Combining two filter instances creates more objects and hence more delegating code but this can change if you use method references rather than lambda expressions, e.g. replace filter(x -> x.isCool()) by filter(ItemType::isCool). That way you have eliminated the synthetic d...
Eclipse ctrl+right does nothing
...sing Ctrl + Right to move to the next word and Ctrl + Shift + Right to select the next word. But on eclipse nothing happens, the cursor stays in the same place.
...
Displaying the #include hierarchy for a C++ file in Visual Studio
...
If anybody's interested: even if you select the Clang platform toolset, you can still "show includes" if you add -H in C/C++ -> Command Line - Additional Options
– wip
Sep 10 '13 at 6:24
...
How can I import a database with MySQL from terminal?
...mmand prompt (mysql>), then simply type source full_path_of_file (note: select database by command USE DATABASE_NAME before import).
– Ankit Sharma
May 28 '14 at 8:15
3
...
Changing an element's ID with jQuery
...
<script>
$(document).ready(function () {
$('select').attr("id", "newId"); //direct descendant of a
});
</script>
This could do for all purpose. Just add before your body closing tag and don't for get to add Jquery.min.js
...
How to disable the warning 'define' is not defined using JSHint and RequireJS
...ty Tools > JSHint
Scroll down to "Environments" and make sure you have selected the checkbox to enable "Mocha" which will set up the definitions for JSHint for Mocha for you.
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Best Way to read rss feed in .net Using C#
...nFeed.Load(reader);
reader.Close();
return (from itm in feed.Items select new FeedItem {
Title = itm.Title.Text, Link = itm.Id
}).ToList().Take(5);
}
public class FeedItem {
public string Title {
get;
set;
}
public string Link {
get;
s...