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Split comma-separated strings in a column into separate rows
...= median(time), N = .N), by = .(n_row, expr)]
mba[, expr := forcats::fct_reorder(expr, -median_time)]
Create chart
library(ggplot2)
ggplot(mba, aes(n_row, median_time*1e-6, group = expr, colour = expr)) +
geom_point() + geom_smooth(se = FALSE) +
scale_x_log10(breaks = NROW(director) * n_rep...
How do I *really* justify a horizontal menu in HTML+CSS?
...ge the justify-content property to either space-between or space-around in order to add space between or around the children flexbox items.
Using justify-content: space-between - (example here):
ul {
list-style: none;
padding: 0;
margin: 0;
}
.menu {
display: flex;
j...
Set title background color
... one thing that this one is doing it from code so it is little delayed. In order to avoid such situation I will have to write every thing in the xml and nothing in the code. so can you please guide me in that?
– Shaista Naaz
Apr 29 '11 at 12:39
...
Generate random numbers uniformly over an entire range
...);
std::shuffle(vec.begin(), vec.end(), generator);
The algorithm will reorder the elements randomly, with a linear complexity.
Boost.Random
Another alternative, in case you don't have access to a C++11+ compiler, is to use Boost.Random. Its interface is very similar to the C++11 one.
...
SQL Logic Operator Precedence: And and Or
...End -- outputs F
For those who like to consult references (in alphabetic order):
Microsoft Transact-SQL operator precedence
Oracle MySQL 9 operator precedence
Oracle 10g condition precedence
PostgreSQL operator Precedence
SQL as understood by SQLite
...
Input and output numpy arrays to h5py
...pe float . If I save it with the extension .dat the file size is of the order of 500 MB. I read that using h5py reduces the file size considerably. So, let's say I have the 2D numpy array named A . How do I save it to an h5py file?
Also, how do I read the same file and put it as a numpy array ...
Importing CSV with line breaks in Excel 2007
...ee-text field, which may contain line breaks, commas, quotations, etc. In order to counteract this, I have wrapped the field in double quotes (").
...
App store link for “rate/review this app”
...Reviews?id=YOUR_APP_ID&onlyLatestVersion=true&pageNumber=0&sortOrdering=1&type=Purple+Software
Code snippet (you can just copy & paste it):
#define YOUR_APP_STORE_ID 545174222 //Change this one to your ID
static NSString *const iOS7AppStoreURLFormat = @"itms-apps://itunes.app...
What is __future__ in Python used for and how/when to use it, and how it works
...ith keyword was new and shouldn't be used as variable names any longer. In order to use with as a Python keyword in Python 2.5 or older, you will need to use the import from above.
Another example is
from __future__ import division
print 8/7 # prints 1.1428571428571428
print 8//7 # prints 1
Wit...
How JavaScript closures are garbage collected
...rmal define a global variable
Of course, you can use a global variable in order to hold the total. But keep in mind that this dude will eat you alive if you (ab)use globals.
now latest way using closure with out define global variable
(function(){
var addFn = function addFn(){
var...