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How to handle both a single item and an array for the same property using JSON.net
...n (objectType == typeof(List<T>));
}
public override object ReadJson(JsonReader reader, Type objectType, object existingValue, JsonSerializer serializer)
{
JToken token = JToken.Load(reader);
if (token.Type == JTokenType.Array)
{
return token.To...
Concurrent HashSet in .NET Framework?
...ng, byte> _data;
This is the recommended option because the type is thread-safe and provide you the same advantages than a HashSet<T> except key and value are different objects.
Source: Social MSDN
ConcurrentBag
If you don't mind about the duplicate entries, you can use the class Concu...
Understanding the Rails Authenticity Token
...
@Faisal, is it possible then, for an attacker to simply read/capture the 'hidden' element of the form for Service A and get that unique token generated for the user - given that they have gotten access to the session started by the user for Service A?
– marca...
Do a “git export” (like “svn export”)?
...ribute in a .gitattributes file and commit this before doing your archive. Read more...
Note: If you are interested in exporting the index, the command is
git checkout-index -a -f --prefix=/destination/path/
(See Greg's answer for more details)
...
nonlocal keyword in Python 2.x
...
Inner functions can read nonlocal variables in 2.x, just not rebind them. This is annoying, but you can work around it. Just create a dictionary, and store your data as elements therein. Inner functions are not prohibited from mutating the obj...
How to go to each directory and execute a command?
...xample suggested by @gniourf_gniourf:
find . -type d -print0 | while IFS= read -r -d '' file; do
# ...
done
The above examples support directories with spaces in their name.
Or by assigning into bash array:
dirs=($(find . -type d))
for dir in "${dirs[@]}"; do
cd "$dir"
echo $PWD
done
Ch...
What are the differences between LDAP and Active Directory?
...
@MarkBennett From my (very quick) reading it appears their conclusions were that LDAP had security issues and was being pushed by a political agenda which was profit rather than security driven. I think using the term 'negative tone' is an understatement but,...
Excel “External table is not in the expected format.”
I'm trying to read an Excel (xlsx) file using the code shown below. I get an "External table is not in the expected format." error unless I have the file already open in Excel. In other words, I have to open the file in Excel first before I can read if from my C# program. The xlsx file is on a share...
How to write a scalable Tcp/Ip based server
...tively little resources. Anything that does occur is handled by the .net thread pool.
I wrote it as a class that manages all connections for the servers.
I simply used a list to hold all the client connections, but if you need faster lookups for larger lists, you can write it however you want.
p...
How was the first compiler written?
...
Please read about compiler bootstrapping and the history of compiler writing
The idea is to write a very simple compiler directly in machine code, use it to write a more sophisticated compiler, use the second one to build a third o...