...his case HEADERFILE_H) is defined. Then if it's not defined, it defines it and continues to the rest of the page. When the code is included again, the first ifndef fails, resulting in a blank file. That prevents double declaration of any identifiers such as types, enums and static variables. ...

... I know this is an older issue, but I recently had the same problem and was having issues resolving it, despite attempting the DisplayUnlockCaptcha fix. This is how I got it alive. Head over to Account Security Settings (https://www.google.com/settings/security/lesssecureapps) and enable "Ac...

Every now and then I see a web site that has an old copyright date. In my mind, I always think "Look at the sucker who forgot to update his copyright year!" Then, while I was hard-coding a copyright year into the site I'm currently designing, it suddenly struck me: ...

What is the difference between == and .equals() in Scala, and when to use which? 5 Answers ...

I've looked everywhere and can't find a solid answer. According to the documentation, Java throws a java.lang.StackOverflowError error under the following circumstance: ...

...ed" % __file__) Using this convention one can have a file define classes and functions for use in other programs, and also include code to evaluate only when the file is called as a standalone script. It's important to understand that all of the code above the if __name__ line is being executed, ...

I am using Github Windows 1.0.38.1 and when I click the 'Sync' button after committing, I get the error 17 Answers ...

...eb service that needs to be accessed by users, but also other web services and applications. All of the incoming requests need to be authenticated. All communication takes place over HTTPS. User authentication is going to work based on an authentication token, acquired by POSTing the username and pa...

... The solution was to add these flags to JVM command line when Tomcat is started: -XX:+CMSClassUnloadingEnabled -XX:+CMSPermGenSweepingEnabled You can do that by shutting down the tomcat service, then going into the Tomcat/bin directory and running tomcat6w.exe. Under th...

...B. The upper limit for this value will be approximately 4000m on Solaris 7 and Solaris 8 SPARC platforms and 2000m on Solaris 2.6 and x86 platforms, minus overhead amounts. Examples: -Xmx83886080 -Xmx81920k -Xmx80m So, in simple words, you are setting Java heap m...