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How to read and write excel file
...read and write an Excel file from Java with 3 columns and N rows, printing one string in each cell. Can anyone give me simple code snippet for this? Do I need to use any external lib or does Java have built-in support for it?
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get all keys set in memcached
...d on when they last had activity. If yes, you can change that by selecting one of active/oldest/votes from just below the question text. Other than that, this answer is at the top in incognito mode.
– mu 無
Mar 29 '18 at 4:24
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Where does PHP's error log reside in XAMPP?
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For any one searching for the php log file in XAMPP for Ubuntu, its:
/opt/lampp/logs/php_error_log
Most probably it will be having a big size (mine was about 350 mbs) and it slowed down my text editor after opening. If you do not ...
When should I use Lazy?
...revent user latency in high throughput, low latency systems. This is just one of the many reasons to not "always" use Lazy.
– Derrick
Sep 30 '14 at 12:34
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Rails: How does the respond_to block work?
...mental than some of the answers I found here. This may or may not help someone.
respond_to is a method on the superclass ActionController.
it takes a block, which is like a delegate. The block is from do until end, with |format| as an argument to the block.
respond_to executes your block, passing ...
Why seal a class?
...om how not allowing inheritance can be useful and most likely not the only one fighting these classes.
10 Answers
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How to determine if a string is a number with C++?
...;& s.find_first_not_of("0123456789") == std::string::npos; for a C++03 one-liner.
– kbjorklu
Jan 11 '11 at 7:03
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Tips for a successful AppStore submission? [closed]
In a day or two I'll be ready to submit my iPhone app to the AppStore and I'm curious whether people who have gone through this process have any tips / suggestions for a smooth submission process.
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Real World Example of the Strategy Pattern
...e", but it's not yet clear what that rule will be, and we may think of new ones.
Games: We want player to either walk or run when he moves, but maybe in the future, he should also be able to swim, fly, teleport, burrow underground, etc.
Storing information: We want the application to store informati...
How can I echo a newline in a batch file?
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the example doesn't need a period, but you do need one to echo a blank empty line: echo. && echo hello && echo. && echo world
– matt wilkie
Jun 16 '11 at 22:37
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