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Best practices for circular shift (rotate) operations in C++
...otate question with some more details about what asm gcc/clang produce for m>x m>86.
The most compiler-friendly way to em>x m>press a rotate in C and C++ that avoids any Undefined Behaviour seems to be John Regehr's implementation. I've adapted it to rotate by the width of the type (using fim>x m>ed-width types ...
javascript set a variable if undefined
...f the variable is strictly undefined then the safest way is to write:
var m>x m> = (typeof m>x m> === 'undefined') ? your_default_value : m>x m>;
On newer browsers it's actually safe to write:
var m>x m> = (m>x m> === undefined) ? your_default_value : m>x m>;
but be aware that it is possible to subvert this on older browse...
Python: split a list based on a condition?
...
1
2
Nem>x m>t
113
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Convert Int to String in Swift
...
Converting Int to String:
let m>x m> : Int = 42
var myString = String(m>x m>)
And the other way around - converting String to Int:
let myString : String = "42"
let m>x m>: Int? = myString.toInt()
if (m>x m> != nil) {
// Successfully converted String to Int
}
Or if ...
In php, is 0 treated as empty?
Code will em>x m>plain more:
18 Answers
18
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m>X m>-Frame-Options Allow-From multiple domains
I have an ASP.NET 4.0 IIS7.5 site which I need secured using the m>X m>-Frame-Options header.
11 Answers
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pyplot am>x m>es labels for subplots
...hen set the common labels.
import random
import matplotlib.pyplot as plt
m>x m> = range(1, 101)
y1 = [random.randint(1, 100) for _ in m>x m>range(len(m>x m>))]
y2 = [random.randint(1, 100) for _ in m>x m>range(len(m>x m>))]
fig = plt.figure()
am>x m> = fig.add_subplot(111) # The big subplot
am>x m>1 = fig.add_subplot(211)
am>x m>2 =...
Tricks to manage the available memory in an R session
...em. But by far the most effective solution was ... to run under 64-bit Linum>x m> with ample memory.
27 Answers
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Drop data frame columns by name
...
You can use a simple list of names :
DF <- data.frame(
m>x m>=1:10,
y=10:1,
z=rep(5,10),
a=11:20
)
drops <- c("m>x m>","z")
DF[ , !(names(DF) %in% drops)]
Or, alternatively, you can make a list of those to keep and refer to them by name :
keeps <- c("y", "a")
DF[keeps]
EDI...
Entity Framework - Include Multiple Levels of Properties
... well for Lists on objects. But what if I need to go two levels deep? For em>x m>ample, the method below will return ApplicationServers with the included properties shown here. However, ApplicationsWithOverrideGroup is another container that holds other complem>x m> objects. Can I do an Include() on that prop...