Questions tagged [multiple-columns]

Multiple-columns are when text is split into a number of parallel text columns, rather than one column of text. For CSS Multicolumn layout, use the [css-multicolumn-layout] tag.

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1342votes
3answers
1.7mviews

Using group by on multiple columns

I understand the point of GROUP BY x. But how does GROUP BY x, y work, and what does it mean?
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630votes
21answers
455kviews

Expand a div to fill the remaining width

I want a two-column div layout, where each one can have variable width e.g. div { float: left; } .second { background: #ccc; } <div>Tree</div> <div class="second">...
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322votes
7answers
288kviews

How do I change Bootstrap 3 column order on mobile layout?

I'm making a responsive layout with a top fixed navbar. Underneath I have two columns, one for a sidebar (3), and one for content (9). Which on desktop looks like this navbar [3][9] When I resize ...
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295votes
14answers
263kviews

Apply pandas function to column to create multiple new columns?

How to do this in pandas: I have a function extract_text_features on a single text column, returning multiple output columns. Specifically, the function returns 6 values. The function works, however ...
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289votes
12answers
471kviews

Scrolling a flexbox with overflowing content

Here's the code I'm using to achieve the above layout: .header { height: 50px; } .body { position: absolute; top: 50px; right: 0; bottom: 0; left: 0; display: flex; } ...
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285votes
11answers
214kviews

Unique Key constraints for multiple columns in Entity Framework

I'm using Entity Framework 5.0 Code First; public class Entity { [Key, DatabaseGenerated(DatabaseGeneratedOption.Identity)] public string EntityId { get; set;} public int FirstColumn { get;...
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146votes
8answers
244kviews

LINQ to SQL: Multiple joins ON multiple Columns. Is this possible?

Given: A table named TABLE_1 with the following columns: ID ColumnA ColumnB ColumnC I have SQL query where TABLE_1 joins on itself twice based off of ColumnA, ColumnB, ColumnC. The query might look ...
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140votes
19answers
277kviews

How to print third column to last column?

I'm trying to remove the first two columns (of which I'm not interested in) from a DbgView log file. I can't seem to find an example that prints from column 3 onwards until the end of the line. Note ...
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139votes
10answers
81kviews

IntelliJ Column Selection using Cursor Keys

Is it possible to some how setup IntelliJ IDEA so that I can column select with the cursor keys similarly to how I might in Notepad++, Visual Studio, or FlashDevelop. For instance when I'm typing ...
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138votes
8answers
522kviews

Combine two or more columns in a dataframe into a new column with a new name

For example if I have this: n = c(2, 3, 5) s = c("aa", "bb", "cc") b = c(TRUE, FALSE, TRUE) df = data.frame(n, s, b) n s b 1 2 aa TRUE 2 3 bb FALSE 3 5 cc TRUE Then how do I combine the ...
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95votes
4answers
157kviews

Select NOT IN multiple columns

I need to implement the following query: SELECT * FROM friend WHERE ( friend.id1, friend.id2 ) NOT IN (SELECT id1, id2 FROM likes) But ...
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81votes
1answer
58kviews

Half columns in Twitter Bootstrap 3

I couldn't figure out how to make the bootstrap column like this: col 3 | col 4.5 | col 4.5
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  • 1,103
75votes
8answers
119kviews

Python Pandas - Changing some column types to categories

I have fed the following CSV file into iPython Notebook: public = pd.read_csv("categories.csv") public I've also imported pandas as pd, numpy as np and matplotlib.pyplot as plt. The following data ...
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  • 1,504
62votes
5answers
77kviews

Have two columns in Markdown

I would like to write a coding standard specification document with good and bad coding examples. Each rule should have a number, a description and an example. For example here is the rule 1: # ...
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57votes
3answers
104kviews

How does cellForRowAtIndexPath work?

I HAVE READ apple documentation and it's not understandable for such a beginner in Objective-C as me. I'm trying to implement multicolumn UITableView following this link example and it just doesn't ...
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