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What is the http-header “X-XSS-Protection”?
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X-XSS-Protection is a HTTP header understood by Internet Explorer 8 (and newer versions).
This header lets domains toggle on and off the "XSS Filter" of IE8, which prevents some categories of XSS attacks.
IE8 has the filter a...
How can I get list of values from dict?
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Yes it's the exact same thing in Python 2:
d.values()
In Python 3 (where dict.values returns a view of the dictionary’s values instead):
list(d.values())
sh...
Can I keep Nuget on the jQuery 1.9.x/1.x path (instead of upgrading to 2.x)?
... you can constrain the version of your package by using the following syntax in your packages.config:
<package id="jQuery" version="1.9.1" allowedVersions="[1.9.1]" />
There's more information on version constraints here:
http://docs.nuget.org/docs/reference/Versioning
After making the co...
'is' versus try cast with null check
...'t need to be cast again
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}
C# 7.0 supports a more compact syntax using pattern matching:
if (myObj.myProp is MyType myObjRef)
{
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}
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How do I change the default port (9000) that Play uses when I execute the “run” command?
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Play 2.x
In Play 2, these are implemented with an sbt plugin, so the following instructions are really just sbt tasks. You can use any sbt runner (e
In Play 2, these are implemented with an sbt plugin, so the following are re...
Call by name vs call by value in Scala, clarification needed
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The example you have given only uses call-by-value, so I will give a new, simpler, example that shows the difference.
First, let's assume we have a function with a side-effect. This function prints something out and then returns...
string.charAt(x) or string[x]?
Is there any reason I should use string.charAt(x) instead of the bracket notation string[x] ?
6 Answers
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Putting an if-elif-else statement on one line?
...ould most likely violate PEP-8 where it is mandated that lines should not exceed 80 characters in length.
It's also against the Zen of Python: "Readability counts". (Type import this at the Python prompt to read the whole thing).
You can use a ternary expression in Python, but only for expressions...
How to echo shell commands as they are executed
In a shell script, how do I echo all shell commands called and expand any variable names?
13 Answers
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Fastest way to convert string to integer in PHP
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I've just set up a quick benchmarking exercise:
Function time to run 1 million iterations
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(int) "123": 0.55029
intval("123"): 1.0115 (183%)
(int) "0": 0.42461
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