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How to make a great R reproducible example
...rame")
One other caveat for dput is that it will not work for keyed data.table objects or for grouped tbl_df (class grouped_df) from dplyr. In these cases you can convert back to a regular data frame before sharing, dput(as.data.frame(my_data)).
Worst case scenario, you can give a text representa...
How to see query history in SQL Server Management Studio
...ndtime%' -- do not show myself
ORDER BY last_execution_time DESC
TRUNCATE TABLE #lastendtime
INSERT INTO #lastendtime VALUES (GETUTCDATE())
Why are data transfer objects (DTOs) an anti-pattern?
...ake us worry about the relationship that Object X has to some other n-to-n table.
– user64141
Aug 29 '14 at 15:08
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show 1 more comment
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What Java ORM do you prefer, and why? [closed]
..._ID = a.ID);
And how it can be expressed in jOOQ:
// Alias the author table
TAuthor a = T_AUTHOR.as("a");
// Use the aliased table in the select statement
create.selectFrom(a)
.whereExists(create.selectOne()
.from(T_BOOK)
.whe...
Can we have multiple “WITH AS” in single sql - Oracle SQL
...nswer above suggests. I was also able to use aliases and columns from both tables in the main query.
– cleberz
Jan 30 '18 at 1:11
...
Adding a y-axis label to secondary y-axis in matplotlib
...out messing with matplotlib: just pandas.
Tweaking the original example:
table = sql.read_frame(query,connection)
ax = table[0].plot(color=colors[0],ylim=(0,100))
ax2 = table[1].plot(secondary_y=True,color=colors[1], ax=ax)
ax.set_ylabel('Left axes label')
ax2.set_ylabel('Right axes label')
Ba...
Using only CSS, show div on hover over
...<!-- The thing or things you want to hover over go here such as images, tables,
paragraphs, objects other divisions etc. -->
</div>
<div class="popup_information">
<!-- The thing or things you want to popup go here such as images, tables,
paragraphs, objects other d...
Unique combination of all elements from two (or more) vectors
...
Missing in this r-faq overview is the CJ-function from the data.table-package. Using:
library(data.table)
CJ(a, b, unique = TRUE)
gives:
a b
1: ABC 2012-05-01
2: ABC 2012-05-02
3: ABC 2012-05-03
4: ABC 2012-05-04
5: ABC 2012-05-05
6: DEF 2012-05-01
7: DEF 2012-0...
Image inside div has extra space below the image
...lex; }
#wrapper { display: inline-flex; }
Using display: block, table, flex and inherit
#wrapper img { display: block; }
#wrapper img { display: table; }
#wrapper img { display: flex; }
#wrapper img { display: inherit; }
...
Width equal to content [duplicate]
...elements with "clearfix" div.
Another elegant solution is to use display: table for elements.
With this solution you don't need to insert line breaks manually (like with inline-block), you don't need a wrapper around your elements (like with floats) and you can center your element if you need.
ht...