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How to get default gateway in Mac OSX

...sult thus looks like this: 192.168.195.1 In this case, netstat displays all result, grep only selects the line with 'default' in it, and awk further matches the pattern to display the second column in the text. You can similarly use route -n get default command to get the required result. The fu...
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Suppressing “is never used” and “is never assigned to” warnings in C#

I have a HTTPSystemDefinitions.cs file in C# project which basically describes the older windows ISAPI for consumption by managed code. ...
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A fast method to round a double to a 32-bit int explained

... this: and it can be seen as two 32-bit integers; now, the int taken in all the versions of your code (supposing it's a 32-bit int) is the one on the right in the figure, so what you are doing in the end is just taking the lowest 32 bits of mantissa. Now, to the magic number; as you correctly ...
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How does the SQL injection from the “Bobby Tables” XKCD comic work?

...t'); DROP TABLE STUDENTS; --) and the last name textbox LName.Text (let's call it Derper) are concatenated with the rest of the query, the result is now actually two queries separated by the statement terminator (semicolon). The second query has been injected into the first. When the code executes...
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Waiting until two async blocks are executed before starting another block

... NSLog(@"Block3"); }); // only for non-ARC projects, handled automatically in ARC-enabled projects. dispatch_release(group); and could produce output like this: 2012-08-11 16:10:18.049 Dispatch[11858:1e03] Block1 2012-08-11 16:10:18.052 Dispatch[11858:1d03] Block2 2012-08-11 16:10:23.051 Dis...
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Is it good style to explicitly return in Ruby?

...d Was this meant to be a function that returned a value, or not? It's really hard to say what the developer meant, as it both assigns the instance variable, AND returns the value assigned as well. Suppose much later, another programmer (perhaps not that familiar with how Ruby does returns based ...
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How can I remove all objects but one from the workspace in R?

I have a workspace with lots of objects and I would like to remove all but one. Ideally I would like to avoid having to type rm(obj.1, obj.2... obj.n) . Is it possible to indicate remove all objects but these ones ? ...
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Tomcat: How to find out running tomcat version

....in/blog/check-jsp-tomcat-version Save this code into a file called tomcat_version.jsp: Tomcat Version : <%= application.getServerInfo() %><br> Servlet Specification Version : <%= application.getMajorVersion() %>.<%= application.getMinorVersion() %> <br> ...
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How can I change my Cygwin home folder after installation?

I just installed Cygwin, and it looks like the home directory in the bash prompt is on my Z: drive. That's not where I want it. ...
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How do I iterate over a JSON structure? [duplicate]

... Similarly, lodash offers _.forEach (alias _.each for underscore compatibility) to accomplish the same. – Ville Oct 25 '14 at 5:29 ...