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What is the maximum size of a web browser's cookie's key?
...
The 4K limit you read about is for the entire cookie, including name, value, expiry date etc. If you want to support most browsers, I suggest keeping the name under 4000 bytes, and the overall cookie size under 4093 bytes.
One thing to be ca...
Check if an apt-get package is installed and then install it if it's not on Linux
...hello package the second dpkg after apt remove shows that he package has already been removed without --purge:
dpkg-query: package 'hello' is not installed and no information is available
The documentations are also very unclear, e.g.:
sudo apt dselect-upgrade
did not remove certbot when it wa...
How does a Breadth-First Search work when looking for Shortest Path?
...I seem to be missing one small part of this algorithm. I understand how a Breadth-First Search works, but I don't understand how exactly it will get me to a specific path, as opposed to just telling me where each individual node can go. I guess the easiest way to explain my confusion is to provide a...
What is the difference between C# and .NET?
...ool "ildasm.exe", which is freely available in Microsoft SDKs (and might already be on your computer), you can see how C# code is converted into meta data and IL. I've included a sample at the bottom of this answer as an example.
When you run execute .net code, what is commonly happening is the .ne...
How do I get currency exchange rates via an API such as Google Finance? [closed]
...2018. For more information please visit: https://github.com/fixerAPI/fixer#readme)
Website : http://fixer.io/
Example request :
[http://api.fixer.io/latest?base=USD][7]
Only collects one value per each day
European Central Bank Feed
Docs:
http://www.ecb.int/stats/exchange/eurofxref/html/...
Is there a way to force ASP.NET Web API to return plain text?
...
return type == typeof(string);
}
public override bool CanReadType(Type type)
{
return type == typeof(string);
}
public override Task WriteToStreamAsync(Type type, object value, Stream stream, HttpContentHeaders contentHeaders, TransportContext transportContext)...
Difference between attr_accessor and attr_accessible
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Many people on this thread and on google explain very well that attr_accessible specifies a whitelist of attributes that are allowed to be updated in bulk (all the attributes of an object model together at the same time)
This is mainly (and only) ...
Why does this code segfault on 64-bit architecture but work fine on 32-bit?
...ion returns int (since you opted not to tell it otherwise), so it tries to read the return value according to the calling convention for an int. Hence p does not necessarily point to the allocated memory. It just so happened to work for IA32 because an int and a void* are the same size, and returned...
ReactJS Two components communicating
...mit to manage the state outside of React, and let multiple components have read/write access to the same part of the state, without needing to know anything about the component tree.
Many implementations exists, including ImmutableJS, React-cursors and Omniscient
Edit 2016: it seems that people ag...
How do I make an attributed string using Swift?
...or something else. There are many standard attributes in Swift that have already been predefined. For example:
key name: NSAttributedString.Key.font, value: a UIFont
key name: NSAttributedString.Key.foregroundColor, value: a UIColor
key name: NSAttributedString.Key.link, value: an NSURL or NSStrin...