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How do I declare a 2d array in C++ using new?
... this in mind and be sure to delete this memory from the heap when you're done with it to prevent leaks.
– Kekoa
Jun 1 '09 at 20:51
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What is ActiveMQ used for - can we apply messaging concept using a Database?
...d for the purpose of sending messages between two applications, or two components inside one application.
Essentially, MOM and databases share a common foundation in that they provide transactional and persistent data storage to can read and write from.
The big difference is the usage pattern - whe...
Difference between natural join and inner join
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One significant difference between INNER JOIN and NATURAL JOIN is the number of columns returned.
Consider:
TableA TableB
+------------+----------+ +--------------------+
|Column1 | ...
Delegates in swift?
How does one go about making a delegate, i.e. NSUserNotificationCenterDelegate in swift?
12 Answers
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Add one row to pandas DataFrame
...ulated DataFrame but I need to create an empty DataFrame then add rows, one by one .
What is the best way to do this ?
2...
How do I prevent 'git diff' from using a pager?
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As a previous answer mentioned, passing the -F option to less causes it to quit if the content is less than one screen. However, after doing so, the screen is reset, and you end up not seeing the content.
The -X option does away with that behaviour. ...
How to call function of one php file from another php file and pass parameters to it?
I want to call a function in one PHP file from a second PHP file and also pass two parameters to that function. How can I do this?
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Can you attach a UIGestureRecognizer to multiple views?
...se, for example if you want to move the tap gesture recognizer around from one view to another. That said, it's a silly limitation that the gesture recognizer cannot be used on multiple views.
– Erik van der Neut
Aug 27 '15 at 7:35
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Syntax behind sorted(key=lambda: …)
...unction (which is callable). In the case of sorted the callable only takes one parameters. Python's lambda is pretty simple. It can only do and return one thing really.
The syntax of lambda is the word lambda followed by the list of parameter names then a single block of code. The parameter list an...
Why shouldn't I use mysql_* functions in PHP?
What are the technical reasons for why one shouldn't use mysql_* functions? (e.g. mysql_query() , mysql_connect() or mysql_real_escape_string() )?
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