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Boolean Field in Oracle
...be noted that pl/sql has a boolean type, it is only tables that do not.
If you are using the field to indicate whether the record needs to be processed or not you might consider using Y and NULL as the values. This makes for a very small (read fast) index that takes very little space.
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How to read a large file line by line?
...ion to read the file line by line:
$handle = fopen("inputfile.txt", "r");
if ($handle) {
while (($line = fgets($handle)) !== false) {
// process the line read.
}
fclose($handle);
} else {
// error opening the file.
}
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How do I make a redirect in PHP?
Is it possible to redirect a user to a different page through the use of PHP?
30 Answers
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How to use Session attributes in Spring-mvc
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If you want to delete object after each response you don't need session,
If you want keep object during user session ,
There are some ways:
directly add one attribute to session:
@RequestMapping(method = RequestMethod.GET...
How would you compare jQuery objects?
So I'm trying to figure out how to compare two jQuery objects, to see if the parent element is the body of a page.
4 Answer...
Parse email content from quoted reply
.... I'll break it up into those two categories:
When you have the thread:
If you have the entire series of emails, you can achieve a very high level of assurance that what you are removing is actually quoted text. There are two ways to do this. One, you could use the message's Message-ID, In-Repl...
How to export revision history from mercurial or git to cvs?
...hinking of using git or mercurial but we could use another distributed vcs if it could make the export easier.
3 Answers
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What does “Object reference not set to an instance of an object” mean? [duplicate]
...e primitives such as integers and booleans or structures (and can be identified because they inherit from System.ValueType). Boolean variables, when declared, have a default value:
bool mybool;
//mybool == false
Reference types, when declared, do not have a default value:
class ExampleClass
{
}...
BaseException.message deprecated in Python 2.6
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Using str breaks if the exception was constructed with a unicode argument: str(MyException(u'\xe5')) raises UnicodeEncodeError. Using unicode instead of str isn't foolproof either because unicode(MyException('\xe5')) raises UnicodeDecodeError...
Big-O for Eight Year Olds? [duplicate]
...rd time wrapping my head around what they mean conceptually. For example, if one were to perform an O(1) operation on a data structure, I understand that the number of operations it has to perform won't grow because there are more items. And an O(n) operation would mean that you would perform a se...