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Dual emission of constructor symbols
...r.
The allocating constructor/deallocating destructor.
The first two are different, when virtual base classes are
involved.
The meaning of these different constructors seems to be as follows:
The "complete object constructor". It additionally constructs virtual base classes.
The "base object co...
How do I do top 1 in Oracle?
...
If you want just a first selected row, you can:
select fname from MyTbl where rownum = 1
You can also use analytic functions to order and take the top x:
select max(fname) over (rank() order by some_factor) from MyTbl
...
Google Maps: How to create a custom InfoWindow?
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You can modify the whole InfoWindow using jquery alone...
var popup = new google.maps.InfoWindow({
content:'<p id="hook">Hello World!</p>'
});
Here the <p> element will act as a hook into the actual InfoWindow. ...
Difference between 'new operator' and 'operator new'?
What is difference between "new operator" and "operator new"?
8 Answers
8
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How to Pass Parameters to Activator.CreateInstance()
I want to create an instance of a type that I specify in a generic method that I have. This type has a number of overloaded constructors. I'd like to be able to pass arguments to the constructors, but
...
Add string in a certain position in Python
... = hash[:4] + '-' + hash[4:]
>>> print hash
3558-79ACB6
However if you like something like a function do as this:
def insert_dash(string, index):
return string[:index] + '-' + string[index:]
print insert_dash("355879ACB6", 5)
...
Remove warning messages in PHP
...s still happening. Errors make PHP slow down so it's best to fix the error if at all possible. Using @ even slows down the code when there is not an error. vega.rd.no/articles/php-performance-error-suppression
– dprevite
Jan 1 '10 at 2:31
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Why does javascript replace only first instance when using replace? [duplicate]
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Why difference then C# replace. Thought it would replace all occurrences by default. But why did it take 2 slashes away if it is only first occurrence?
– chobo2
Dec 27 '09 at 21:44
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Oracle find a constraint
...00381400'
/
Like all data dictionary views, this a USER_CONSTRAINTS view if you just want to check your current schema and a DBA_CONSTRAINTS view for administration users.
The construction of the constraint name indicates a system generated constraint name. For instance, if we specify NOT NULL i...
On duplicate key ignore? [duplicate]
... IGNORE containing all of these categories rather than testing to see the differences between these categories.
– Jay
Sep 25 '13 at 16:35
4
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