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Explicitly calling return in a function or not
...l word with real data and real algorithm could not be counted or make your script run faster.
Is it better without calling return?
Return is good tool for clearly designing "leaves" of code where the routine should end, jump out of the function and return value.
# here without calling .Primitive...
How do exceptions work (behind the scenes) in c++
...is doing, it's a matter of degree. Many that are using C++ (over Java or a scripted language) are often doing so for performance. For them, the abstraction layer should be relatively transparent, so that you have some idea of what's going on in the metal.
– speedplane
...
How can you use an object's property in a double-quoted string?
...ble-quoted here-strings):
Only references such as $foo, $global:foo (or $script:foo, ...) and $env:PATH (environment variables) are recognized when directly embedded in a "..." string - that is, only the variable reference itself is expanded, irrespective of what follows.
To disambiguate a varia...
What is the purpose of backbone.js?
...is basically an uber-light framework that allows you to structure your Javascript code in an MVC (Model, View, Controller) fashion where...
Model is part of your code that retrieves and populates the data,
View is the HTML representation of this model (views change as models change, etc.)
and ...
Finding a branch point with Git?
...he one of the histories be --first-parent, and I am using this method in a script that might sometimes use the same branches on both sides). I found it safer to use diff's if-then-else mode and erase changed/deleted lines from its output instead of counting on having big enough context., by: diff --...
What does Ruby have that Python doesn't, and vice versa?
...(): print "goodbye"
func = func2
This is a fundamental feature of modern scripting languages. JavaScript and Lua do this, too. Ruby doesn't treat functions this way; naming a function calls it.
Of course, there are ways to do these things in Ruby, but they're not first-class operations. For ex...
How serious is this new ASP.NET security vulnerability and how can I workaround it?
...tails on this issue.
Also some information on ScottGu's blog, including a script to find vulnerable ASP.Net apps on your web server.
For an explanation on "Understanding Padding Oracle Attacks", read @sri's answer.
Comments to the article:
The attack that Rizzo and Duong have implemented ag...
ZMQ: 基本原理 - 开源 & Github - 清泛网 - 专注C++内核技术
...ument)0[(getElementsByTagName('head')[0]||body).appendChild(createElement('script')).src='https://www.tsingfun.com/static/api/js/share.js?v=89860593.js?cdnversion='+~(-new Date()/36e5)]; 本文源自互联网，采用知识共享署名-非商业性使用 4.0 国际许...
live output from subprocess command
I'm using a python script as a driver for a hydrodynamics code. When it comes time to run the simulation, I use subprocess.Popen to run the code, collect the output from stdout and stderr into a subprocess.PIPE --- then I can print (and save to a log-file) the output information, and check for ...
Differences between Perl and PHP [closed]
...rray_splice to assign to a slice.
You can leave out the argument to the subscript operator in PHP for a bit of magic. In Perl, you can't leave out the subscript.
Perl hashes are unordered.
Perl has a large number of predefined and magic variables. PHP's predefined variables have quite a different pu...