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Change from SQLite to PostgreSQL in a fresh Rails project
...in SQLite (The dev and production). Since I am moving to heroku, I want to convert my database to PostgreSQL.
13 Answers
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Case insensitive comparison of strings in shell script
...{var1,,}" = "${var2,,}" ]; then
echo ":)"
fi
All you're doing there is converting both strings to lowercase and comparing the results.
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Why should I not include cpp files and instead use a header?
So I finished my first C++ programming assignment and received my grade. But according to the grading, I lost marks for including cpp files instead of compiling and linking them . I'm not too clear on what that means.
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Why unsigned integer is not available in PostgreSQL?
...post ( What is the difference between tinyint, smallint, mediumint, bigint and int in MySQL? ) and realized that PostgreSQL does not support unsigned integer.
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How do you implement a class in C? [closed]
Assuming I have to use C (no C++ or object oriented compilers) and I don't have dynamic memory allocation, what are some techniques I can use to implement a class, or a good approximation of a class? Is it always a good idea to isolate the "class" to a separate file? Assume that we can preallocate t...
difference between foldLeft and reduceLeft in Scala
I have learned the basic difference between foldLeft and reduceLeft
7 Answers
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What is the best way to find the users home directory in Java?
... looking for a snippet of code that can accomplish this for all platforms, and a way to detect the platform.
9 Answers
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How to get existing fragments when using FragmentPagerAdapter
...entPagerAdapter , as a helper class that implements the management of tabs and all details of connecting a ViewPager with associated TabHost . I have implemented FragmentPagerAdapter just as same as it is provided by the Android sample project Support4Demos .
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How can I read SMS messages from the device programmatically in Android?
I want to retrieve the SMS messages from the device and display them?
11 Answers
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Declaring a custom android UI element using XML
How do I declare an Android UI element using XML?
6 Answers
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