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How can I represent an infinite number in Python?
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In Python, you can do:
test = float("inf")
In Python 3.5, you can do:
import math
test = math.inf
And then:
test > 1
test > 10000
test > x
Will always be true. Unless of course, as pointed out, x is also infinity or "nan" ("not a n...
Get the name of the currently executing method
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Even better than my first answer you can use __method__:
class Foo
def test_method
__method__
end
end
This returns a symbol – for example, :test_method. To return the method name as a string, call __method__.to_s instead.
Note: This requires Ruby 1.8.7.
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What is the difference between ${var}, “$var”, and “${var}” in the Bash shell?
...parameter is a positional parameter with more than one digit…
Let's test:
$ set -- {0..100}
$ echo $22
12
$ echo ${22}
20
Huh. Neat. I honestly didn't know that before writing this (I've never had more than 9 positional parameters before.)
Of course, you also need braces to do the powerfu...
Remove characters from C# string
...lation, where dozens of lines of code and multiple loops would be needed. Testing the compiled version of this regex against a simple unoptimised loop 50000 times, the regex is 6X slower.
– Tony Cheetham
Feb 13 '18 at 12:07
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Running Command Line in Java [duplicate]
...t = Runtime.getRuntime();
Process pr = rt.exec("java -jar map.jar time.rel test.txt debug");
http://docs.oracle.com/javase/7/docs/api/java/lang/Runtime.html
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run main class of Maven project [duplicate]
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You can also add -Dexec.classpathScope=test if the class is in the test directories
– M Smith
Mar 7 '14 at 22:47
1
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How to get the text node of an element?
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Not sure why but I'm unssuccsessful when testing the theory above. I ran the following jQuery("*").each(function() { console.log(this.nodeType); }) and I got 1 for all the node types.
– Batandwa
Jan 6 '14 at 6:51
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How to check if the string is empty?
... then you should use myString == "". See the documentation on Truth Value Testing for other values that are false in Boolean contexts.
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Execute stored procedure with an Output parameter?
I have a stored procedure that I am trying to test. I am trying to test it through SQL Management Studio. In order to run this test I enter ...
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Advantages of using prototype, vs defining methods straight in the constructor? [duplicate]
...// Create 2 instances:
var ins1 = new Class(),
ins2 = new Class();
// Test the calc method:
console.log(ins1.calc(1,1), ins2.calc(1,1));
// -> 2, 2
// Change the prototype method
Class.prototype.calc = function () {
var args = Array.prototype.slice.apply(arguments),
res = 0, c;
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