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How do you round to 1 decimal place in Javascript?
...round(12345.6789) // 12346
... and can be used to round to nearest 10 or 100 etc...
round(12345.6789, -1) // 12350
round(12345.6789, -2) // 12300
... and correct handling of negative numbers ...
round(-123.45, 1) // -123.4
round(123.45, 1) // 123.5
... and can be combined with toFixed to for...
What is the difference between char, nchar, varchar, and nvarchar in SQL Server?
...DECLARE @T TABLE
(
C1 VARCHAR(20) COLLATE Chinese_Traditional_Stroke_Order_100_CS_AS_KS_WS,
C2 NVARCHAR(20)COLLATE Chinese_Traditional_Stroke_Order_100_CS_AS_KS_WS
)
INSERT INTO @T
VALUES (N'中华人民共和国',N'中华人民共和国'),
(N'abc',N'abc');
SELECT C1,
C2,
...
Where can I find the TypeScript version installed in Visual Studio?
...
I just installed typescript v1.8.6 and this still reads v1.8.36. It is also the latter version in Tools -> Extensions and Updates. So not a good indication if you want to know that you are using the latest version for your project.
...
How to add a button dynamically in Android?
...
for (int k = 1; k < 100; k++) {
TableRow row = new TableRow(this);
innerloop:
for (int l = 1; l < 4; l++) {
btn = new Button(this);
TableRow.LayoutParams tr = new TableRow.LayoutParams(LayoutParams.WRAP_CONTENT, L...
How to write inline if statement for print?
...nt to from __future__ import print_function you can do the following:
a = 100
b = True
print a if b else "", # Note the comma!
print "see no new line"
Which prints:
100 see no new line
If you're not aversed to from __future__ import print_function or are using python 3 or later:
from __futur...
Adding an arbitrary line to a matplotlib plot in ipython notebook
...dom.seed(5)
x = np.arange(1, 101)
y = 20 + 3 * x + np.random.normal(0, 60, 100)
plt.plot(x, y, "o")
# draw vertical line from (70,100) to (70, 250)
plt.plot([70, 70], [100, 250], 'k-', lw=2)
# draw diagonal line from (70, 90) to (90, 200)
plt.plot([70, 90], [90, 200], 'k-')
plt.show()
...
Convert Rows to columns using 'Pivot' in SQL Server
...a';
Begin
Declare @query varchar(max)='';
Declare @aggDet varchar(100);
Declare @opp_agg varchar(5);
Declare @col_agg varchar(100);
Declare @pivot_col sysname;
Declare @query_col_pvt varchar(max)='';
Declare @full_query_pivot varchar(max)='';
Declare @ind_tmpTbl int;...
What are the differences between a multidimensional array and an array of arrays in C#?
...0.349 25.861 26.214 19.677 20.171
5.050 5.085 6.412 5.225 5.100 5.751 6.650 5.222 6.770 5.305
The first row are timings of jagged arrays, the second shows multidimensional arrays and the third, well that's how it should be. The program is shown below, FYI this was tested r...
binning data in python with scipy/numpy
...d easier to use numpy.digitize():
import numpy
data = numpy.random.random(100)
bins = numpy.linspace(0, 1, 10)
digitized = numpy.digitize(data, bins)
bin_means = [data[digitized == i].mean() for i in range(1, len(bins))]
An alternative to this is to use numpy.histogram():
bin_means = (numpy.hist...
What are the rules for the “…” token in the context of variadic templates?
...;... x<T1&,U1>, ..., x<Tn&,Un>
func(5,vs)... func(5,v1), ..., func(5,vn)
Expansion proceeds inwards outwards. When expanding two lists in lock-step, they have to have the same size.
More examples:
gun(A<Ts...>::hun(vs)...);
Expands all Ts in the template argument l...