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Adding :default => true to boolean in existing Rails column
I've seen a few questions (namely this one ) here on SO about adding a default boolean value to an existing column. So I tried the change_column suggestion but I mustn't be doing it right.
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Remove DEFINER clause from MySQL Dumps
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I don't think there is a way to ignore adding DEFINERs to the dump. But there are ways to remove them after the dump file is created.
Open the dump file in a text editor and replace all occurrences of DEFINER=root@localhost with an empty string ""
Edit the...
How can I autoformat/indent C code in vim?
When I copy code from another file, the formatting is messed up, like this:
9 Answers
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Clearing a string buffer/builder after loop
How do you clear the string buffer in Java after a loop so the next iteration uses a clear string buffer?
8 Answers
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What is the size of an enum in C?
I'm creating a set of enum values, but I need each enum value to be 64 bits wide. If I recall correctly, an enum is generally the same size as an int; but I thought I read somewhere that (at least in GCC) the compiler can make the enum any width they need to be to hold their values. So, is it possib...
How to check if a specific key is present in a hash or not?
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How do I create a transparent Activity on Android?
...windowIsTranslucent">true</item>
<item name="android:windowBackground">@android:color/transparent</item>
<item name="android:windowContentOverlay">@null</item>
<item name="android:windowNoTitle">true</item>
<item name="android:windowIsF...
Checking if all elements in a list are unique
What is the best way (best as in the conventional way) of checking whether all elements in a list are unique?
14 Answers
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Connection to SQL Server Works Sometimes
An ADO.Net application is only sometimes able to connect to another server on the local network. It seems random whether a given connection attempt succeeds or fails. The connection is using a connection string in the form:
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linq query to return distinct field values from a list of objects
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objList.Select(o=>o.typeId).Distinct()
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