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How to hash a string into 8 digits?
Is there anyway that I can hash a rando<em>mem> string into a 8 digit nu<em>mem>ber without i<em>mem>ple<em>mem>enting any algorith<em>mem>s <em>mem>yself?
4 Answers...
How to set host_key_checking=false in ansible inventory file?
I would like to use ansible-playbook co<em>mem><em>mem>and instead of ' vagrant provision '. However setting host_key_checking=false in the hosts file does not see<em>mem> to work.
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What is the type of la<em>mem>bda when deduced with “auto” in C++11?
I had a perception that, type of a la<em>mem>bda is a function pointer. When I perfor<em>mem>ed following test, I found it to be wrong ( de<em>mem>o ).
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@RunWith(<em>Mem>ockitoJUnitRunner.class) vs <em>Mem>ockitoAnnotations.init<em>Mem>ocks(this)
While writing a new jUnit4 test, I'<em>mem> wondering whether to use @RunWith(<em>Mem>ockitoJUnitRunner.class) or <em>Mem>ockitoAnnotations.init<em>Mem>ocks(this) .
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How to <em>mem>ake div background color transparent in CSS
I'<em>mem> not using CSS3. So I can't use opacity or filter attributes. Without using these attributes how can I <em>mem>ake the background-color transparent of a div ? It should be kind of the text box exa<em>mem>ple in this link . Here the text box background color is transparent. I want to <em>mem>ake the sa<em>mem>e, but ...
Java SafeVarargs annotation, does a standard or best practice exist?
I've recently co<em>mem>e across the java @SafeVarargs annotation. Googling for what <em>mem>akes a variadic function in Java unsafe left <em>mem>e rather confused (heap poisoning? erased types?), so I'd like to know a few things:
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What is global::?
... C# I see global:: used quite often in auto-generated code. It is not so<em>mem>ething I have ever used <em>mem>yself so I don't know what the purpose is. Can so<em>mem>eone explain this?
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Creating JS object with Object.create(null)?
...prototype == Object.prototype while Object.create(null) doesn't inherit fro<em>mem> anything and thus has no properties at all.
In other words: A javascript object inherits fro<em>mem> Object by default, unless you explicitly create it with null as its prototype, like: Object.create(null).
{} would instead be e...
filter ite<em>mem>s in a python dictionary where keys contain a specific string
I'<em>mem> a C coder developing so<em>mem>ething in python. I know how to do the following in C (and hence in C-like logic applied to python), but I'<em>mem> wondering what the 'Python' way of doing it is.
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What is the proper declaration of <em>mem>ain?
What is the proper signature of the <em>mem>ain function in C++? What is the correct return type, and what does it <em>mem>ean to return a value fro<em>mem> <em>mem>ain ? What are the allowed para<em>mem>eter types, and what are their <em>mem>eanings?
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