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Check for array not empty: any?
...to empty? ?
– RocketR
Nov 17 '12 at 0:00
13
@RocketR you might want to checkout present? method.
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How to split a long regular expression into multiple lines in JavaScript?
... split into multiple lines in my JavaScript code to keep each line length 80 characters according to JSLint rules. It's just better for reading, I think.
Here's pattern sample:
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C# DateTime to “YYYYMMDDHHMMSS” format
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1095
DateTime.Now.ToString("yyyyMMddHHmmss"); // case sensitive
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Group by multiple columns in dplyr, using string vector input
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data = data.frame(
asihckhdoydkhxiydfgfTgdsx = sample(LETTERS[1:3], 100, replace=TRUE),
a30mvxigxkghc5cdsvxvyv0ja = sample(LETTERS[1:3], 100, replace=TRUE),
value = rnorm(100)
)
# get the columns we want to average within
columns = names(data)[-3]
library(dplyr)
df1 <- data %>%...
Regular expression for first and last name
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202
Don't forget about names like:
Mathias d'Arras
Martin Luther King, Jr.
Hector Sausage-Hausen
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How to convert a string or integer to binary in Ruby?
How do you create integers 0..9 and math operators + - * / in to binary strings.
For example:
6 Answers
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Trees in Twitter Bootstrap [closed]
...ee */
.tree {
.border-radius(@baseBorderRadius);
.box-shadow(inset 0 1px 1px rgba(0,0,0,.05));
background-color: lighten(@grayLighter, 5%);
border: 1px solid @grayLight;
margin-bottom: 10px;
max-height: 300px;
min-height: 20px;
overflow-y: auto;
padding: 19px;
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awk without printing newline
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answered Jan 7 '10 at 16:56
CodeRainCodeRain
5,18444 gold badges2323 silver badges3232 bronze badges
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Skip rows during csv import pandas
...'t want to import the 2nd row of the data file (the row with index = 1 for 0-indexing).
6 Answers
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How to base64 encode image in linux bash / shell
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You need to use cat to get the contents of the file named 'DSC_0251.JPG', rather than the filename itself.
test="$(cat DSC_0251.JPG | base64)"
However, base64 can read from the file itself:
test=$( base64 DSC_0251.JPG )
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