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Stack Memory vs Heap Memory [duplicate]
I am programming in C++ and I am always wondering what exactly is stack memory vs heap memory. All I know is when I call new, I would get memory from heap. If if create local variables, I would get memory from stack. After some research on internet, the most common answer is stack memory is temporar...
Mongo Shell - Console/Debug Log
...l, so I wrote a basic Logging object that I "load(script)" into the shell, and then use the Logging object to call logging levels (debug,info,warn,error). The Logger object does use 'print' and 'printjson' at it's core. Also, it contains a basic sprintf, padding, record formatting, etc. If you are g...
Name node is in safe mode. Not able to leave
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In order to forcefully let the namenode leave safemode, following command should be executed:
bin/hadoop dfsadmin -safemode leave
You are getting Unknown command error for your command as -safemode isn't a sub-command for hadoop fs, but it is of hadoop dfsadmin.
Also after the above comman...
Exclude folders from Eclipse search
Is there a way to exclude certain folders (and all their subfolders) from searching within Eclipse?
6 Answers
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Adding n hours to a date in Java?
... found another example using days on StackOverflow, but still don't understand how to do it with hours.
15 Answers
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Print JSON parsed object?
...splay the object in the console as a collapsed tree. You can open the tree and inspect the object.
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Why is it recommended to have empty line in the end of a source file?
Some code style tools recommend this and I remember seeing some unix command line tools warning about missing empty line.
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How to recursively list all the files in a directory in C#?
How to recursively list all the files in a directory and child directories in C#?
22 Answers
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What happens if a finally block throws an exception?
...throws an exception what exactly happens ?
That exception propagates out and up, and will (can) be handled at a higher level.
Your finally block will not be completed beyond the point where the exception is thrown.
If the finally block was executing during the handling of an earlier exception t...
Add Text on Image using PIL
I have an application that loads an Image and when the user clicks it, a text area appears for this Image (using jquery ), where user can write some text on the Image. Which should be added on Image.
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