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SQL Server Text type vs. varchar data type [closed]
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If you're using SQL Server 2005 or later, use varchar(MAX). The text datatype is deprecated and should not be used for new development work. From the docs:
Important
ntext , text, and image data types will be removed...
How to get the first item from an associative PHP array?
If I had an array like:
15 Answers
15
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UIButton: Making the hit area larger than the default hit area
...value = objc_getAssociatedObject(self, &KEY_HIT_TEST_EDGE_INSETS);
if(value) {
UIEdgeInsets edgeInsets; [value getValue:&edgeInsets]; return edgeInsets;
}else {
return UIEdgeInsetsZero;
}
}
- (BOOL)pointInside:(CGPoint)point withEvent:(UIEvent *)event {
if(UI...
How to append to a file in Node?
...('fs');
fs.appendFile('message.txt', 'data to append', function (err) {
if (err) throw err;
console.log('Saved!');
});
Synchronously:
const fs = require('fs');
fs.appendFileSync('message.txt', 'data to append');
But if you append repeatedly to the same file, it's much better to reuse the ...
Why doesn't Java allow to throw a checked exception from static initialization block?
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You CAN handle this exception, if you are doing dynamic class loading yourself, with Class.forName(..., true, ...); Granted, this is not something you come across very often.
– LadyCailin
Dec 18 '12 at 21:25
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Remove All Event Listeners of Specific Type
I want to remove all event listeners of a specific type that were added using addEventListener() . All the resources I'm seeing are saying you need to do this:
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Read data from SqlDataReader
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If you use indexes like reader.GetString(0) will it use the first column you selected in your query or the firstt column on the table. I have a table with 3 columns in order: ID, Dir, Email. My command selects dir and emai...
Datatype for storing ip address in SQL Server
...55.255.255.255) being just the display conversion of its binary content).
If you do it this way, you will want functions to convert to and from the textual-display format:
Here's how to convert the textual display form to binary:
CREATE FUNCTION dbo.fnBinaryIPv4(@ip AS VARCHAR(15)) RETURNS BINARY...
Python __str__ and lists
In Java, if I call List.toString(), it will automatically call the toString() method on each object inside the List. For example, if my list contains objects o1, o2, and o3, list.toString() would look something like this:
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getting type T from IEnumerable
... gives you the FullName property which tells you the namespace.classname . If you are looking only for the class name use myEnumerable.GetType().GetGenericArguments()[0].Name
– user5534263
Jun 8 '16 at 14:49
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