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Why do enum permissions often have 0, 1, 2, 4 values?
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Because they are powers of two and I can do this:
var permissions = Permissions.Read | Permissions.Write;
And perhaps later...
if( (permissions & Permissions.Write) == Permissions.Write )
{
// we have write access
}
It is a bit field, where each set bi...
How can I convert ArrayList to ArrayList?
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If you use String.valueOf(object), you won't have to do the object != null ? object.toString() : null thing
– user219882
Nov 28 '12 at 10:24
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What exactly does += do in python?
I need to know what += does in python. It's that simple. I also would appreciate links to definitions of other short hand tools in python.
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How do you decompile a swf file [closed]
...a site that has allegedly 'lost' the source code to a flash swf file. How do I decompile this source?
6 Answers
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Specify sudo password for Ansible
How do I specify a sudo password for Ansible in non-interactive way?
23 Answers
23
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How to do a join in linq to sql with method syntax?
I have seen lots of examples in LINQ to SQL examples on how to do a join in query syntax but I am wondering how to do it with method syntax? For example how might I do the following
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R and version control for the solo data analyst
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Backup: I have a backup system already in place.
Yes, and so do I. However, there are some questions to consider regarding the appropriateness of relying on a general purpose backup system to adequately track important and active files relating to your work. On the performance side:
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Find a class somewhere inside dozens of JAR files?
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Eclipse can do it, just create a (temporary) project and put your libraries on the projects classpath. Then you can easily find the classes.
Another tool, that comes to my mind, is Java Decompiler. It can open a lot of jars at once and ...
How do I change the value of a global variable inside of a function
...ariable value from inside a function and use it from another function, how do I do this?
5 Answers
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Using npm behind corporate proxy .pac
I need to download several packages through npm but our corporate proxy configuration is a .pac file (i'm on windows)
25 An...