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How to convert a string to lower or upper case in Ruby

... You can find out all the methods available on a String by opening irb and running: "MyString".methods.sort And for a list of the methods available for strings in particular: "MyString".own_methods.sort I use this to find out new and int...
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get the latest fragment in backstack

...gment in the back stack twice, you can't retrieve a specific fragment when all you have is the index or backstackentry entity. – Justin May 29 '14 at 15:54 14 ...
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How can I avoid Java code in JSP files, using JSP 2?

...ance/composition. Debuggability: if scriptlet throws an exception halfway, all you get is a blank page. Testability: scriptlets are not unit-testable. Maintainability: per saldo more time is needed to maintain mingled/cluttered/duplicated code logic. Sun Oracle itself also recommends in the JSP co...
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Selecting/excluding sets of columns in pandas [duplicate]

... @3kstc you can use df1.iloc[:, [-1]] this will select all rows, last column. – Kocur4d Apr 25 '18 at 10:16 ...
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Execution failed app:processDebugResources Android Studio

...bug https://code.google.com/p/android/issues/detail?id=42752. The cause usually seems to be a reference to a nonexistent string in one of your menu resources. share | improve this answer | ...
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Android canvas draw rectangle

... Actually this is what I need screencast.com/t/oFYF5kGtw5B that red rectangle after I draw all just to add that rectangle is that possible? – Kec Sep 8 '11 at 9:22 ...
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Gunicorn worker timeout error

...hen, in order to save resources with many concurrent connections: pip install gevent , then worker_class gevent in your config file or -k gevent on the command line. – little_birdie Jan 5 '16 at 4:11 ...
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java.lang.ClassNotFoundException: org.springframework.web.context.ContextLoaderListener

...ory. Right Click on Tomcat Server > Clean Restart the server This usually fixes the issue you mention. share | improve this answer | follow | ...
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How can HTML5 “replace” Flash? [closed]

...endered, and the javascript code which manipulates the HTML and CSS dynamically. Furthermore, HTML5 not only has the standard text elements, but also <canvas> on which 2d graphics can be drawn, and <video> elements which embeds the video (as the name suggests). So, in a full-fledged ...
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C char array initialization

...he question, it's worth pointing out that the C standard requires any partially-complete array initialisation to be padded with zero for the remaining elements (by the compiler). This goes for all data types, not just char. – paddy Sep 8 '13 at 21:54 ...