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Convert a float64 to an int in Go
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213
package main
import "fmt"
func main() {
var x float64 = 5.7
var y int = int(x)
fmt.Printl...
How to access pandas groupby dataframe by key
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198
You can use the get_group method:
In [21]: gb.get_group('foo')
Out[21]:
A B C...
Export database schema into SQL file
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150
You can generate scripts to a file via SQL Server Management Studio, here are the steps:
Rig...
Datatype for storing ip address in SQL Server
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Making heatmap from pandas DataFrame
... columns=columns)
plt.pcolor(df)
plt.yticks(np.arange(0.5, len(df.index), 1), df.index)
plt.xticks(np.arange(0.5, len(df.columns), 1), df.columns)
plt.show()
This gives:
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Why is using “for…in” for array iteration a bad idea?
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1581
The reason is that one construct:
var a = []; // Create a new empty array.
a[5] = 5; ...
Getting LaTeX into R Plots
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edited Apr 21 '19 at 19:48
Glorfindel
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What is the default value for enum variable?
...f you do this:
enum F
{
// Give each element a custom value
Foo = 1, Bar = 2, Baz = 3, Quux = 0
}
Printing default(F) will give you Quux, not Foo.
If none of the elements in an enum G correspond to 0:
enum G
{
Foo = 1, Bar = 2, Baz = 3, Quux = 4
}
default(G) returns literally 0, a...
Regular expression for a hexadecimal number?
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