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Converting BigDecimal to Integer
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212
You would call myBigDecimal.intValueExact() (or just intValue()) and it will even throw an exce...
Is an index needed for a primary key in SQLite?
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150
It does it for you.
INTEGER PRIMARY KEY columns aside, both UNIQUE and PRIMARY KEY
const...
codestyle; put javadoc before or after annotation?
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193
Before the annotation, since the annotation is code that "belongs" to the class.
See examples ...
Check if a value exists in ArrayList
...ist.contains(desiredElement). For example, if you're looking for the conta1 account from your example, you could use something like:
if (lista.contains(conta1)) {
System.out.println("Account found");
} else {
System.out.println("Account not found");
}
Edit:
Note that in order for this to...
How long should SQL email fields be? [duplicate]
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179
The theoretical limit is really long but do you really need worry about these long Email addre...
Setting environment variables for accessing in PHP when using Apache
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161
Something along the lines:
<VirtualHost hostname:80>
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SetEnv VARIABLE_NAME...
How dangerous is it to compare floating point values?
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Replacing a fragment with another fragment inside activity group
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12 Answers
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Using smart pointers for class members
...g trouble understanding the usage of smart pointers as class members in C++11. I have read a lot about smart pointers and I think I do understand how unique_ptr and shared_ptr / weak_ptr work in general. What I don't understand is the real usage. It seems like everybody recommends using unique_...