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Determine .NET Framework version for dll

I have an old dll that was compiled against the .NET framework and deployed. I am not sure which version of the .NET framework it was compiled against. I am wondering how I can determine which version of the .NET framework this dll was compiled against? I cannot trust the source code because I be...
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Setting default permissions for newly created files and sub-directories under a directory in Linux?

I have a bunch of long-running scripts and applications that are storing output results in a directory shared amongst a few users. I would like a way to make sure that every file and directory created under this shared directory automatically had u=rwxg=rwxo=r permissions. ...
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How can I see the size of files and directories in linux? [closed]

How can I see the size of files and directories in Linux? If use df -m , then it shows the size of all the directory at the top level, but, for the directories and files inside the directory, how do I check the size? ...
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Nearest neighbors in high-dimensional data?

...d the nearest neighbors for a given vector. My vector is now 21 dimensions and before I proceed further, because I am not from the domain of Machine Learning nor Math, I am beginning to ask myself some fundamental questions: ...
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prototype based vs. class based inheritance

In JavaScript, every object is at the same time an instance and a class. To do inheritance, you can use any object instance as a prototype. ...
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Cast Double to Integer in Java

...ger, so the cast won't work. Note the difference between the Double class and the double primitive. Also note that a Double is a Number, so it has the method intValue, which you can use to get the value as a primitive int. ...
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How do I get the row count of a pandas DataFrame?

I'm trying to get the number of rows of dataframe df with Pandas, and here is my code. 14 Answers ...
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On design patterns: When should I use the singleton?

...ptable" reasons to use a Singleton. One reason that tends to come up over and over again on the internets is that of a "logging" class (which you mentioned). In this case, a Singleton can be used instead of a single instance of a class because a logging class usually needs to be used over and over ...
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Deploying my application at the root in Tomcat

...couple of options: Remove the out-of-the-box ROOT/ directory from tomcat and rename your war file to ROOT.war before deploying it. Deploy your war as (from your example) war_name.war and configure the context root in conf/server.xml to use your war file : <Context path="" docBase="war_name" de...
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Hash and salt passwords in C#

...- which the membership provider does to put them into config files. Hashes and salts are binary blobs, you don't need to convert them to strings unless you want to put them into text files. In my book, Beginning ASP.NET Security, (oh finally, an excuse to pimp the book) I do the following static ...