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How to organize large R programs?
...the interpreter much more robust than before. There is no doubt that R is 100-300x slower than C, but usually the bottleneck is concentrated around a few lines of code, which can be delegated to C/C++. I think it would be a mistake to delegate the strengths of R in data manipulation and statistical...
ggplot with 2 y axes on each side and different scales
...= "Productivity % of best",
labels = function(b) { paste0(round(b * 100, 0), "%")})) +
theme(
axis.title.y = element_text(color = "grey"),
axis.title.y.right = element_text(color = "blue"))
Here's the result (above code + some color tweaking):
The point (aside from using ...
OOP vs Functional Programming vs Procedural [closed]
...
String processing is awesomely done in perl (100x better than in Java, C++ or C#) yet the string functionality of the language is absolutely NOT object oriented. C's string handling was terrible, but then C is not the only procedural language (nor the best).
...
Where is the WPF Numeric UpDown control?
...ss NumericUpDown : UserControl
{
int minvalue = 0,
maxvalue = 100,
startvalue = 10;
public NumericUpDown()
{
InitializeComponent();
NUDTextBox.Text = startvalue.ToString();
}
private void NUDButtonUP_Click(object sender, RoutedEventArgs e)
{
...
Comparing date part only without comparing time in JavaScript
...
got a 100x speedup moving from a momentjs solution to a Date() + sethours solution. careful friends :-)
– 2c2c
Aug 11 '17 at 12:57
...
Why use double indirection? or Why use pointers to pointers?
...n 28 '13 at 20:29
bharat.chandak100
10311 silver badge1212 bronze badges
answered Apr 7 '11 at 12:11
AshaAsha
...
Why should I use an IDE? [closed]
...
100
Code completion. It helps a lot with exploring code.
...
Join vs. sub-query
...reference to the upper query, especially when it comes to row-counts above 100,000. The thing seems to be memory usage and paging to the swap-file. A join would produce a very big amount of data, that may not fit into memory and must be paged into the swap-file. Whenever this is the case the query-t...
Are tuples more efficient than lists in Python?
...lookups and unpacking:
$ python3.6 -m timeit -s 'a = (10, 20, 30)' 'a[1]'
10000000 loops, best of 3: 0.0304 usec per loop
$ python3.6 -m timeit -s 'a = [10, 20, 30]' 'a[1]'
10000000 loops, best of 3: 0.0309 usec per loop
$ python3.6 -m timeit -s 'a = (10, 20, 30)' 'x, y, z = a'
10000000 loops, bes...
How to think in data stores instead of databases?
...le Datastore instead of databases? It seems I've trained my mind to think 100% in object relationships that map directly to table structures, and now it's hard to see anything differently. I can understand some of the benefits of Google Datastore (e.g. performance and the ability to distribute dat...
