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What's the point of g++ -Wreorder?
The g++ -Wall option includes -Wreorder. What this option does is described below. It is not obvious to me why somebody would care (especially enough to turn this on by default in -Wall).
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How to know when UITableView did scroll to bottom in iPhone
I would like to know when a UITableView did scroll to bottom in order to load and show more content, something like a delegate or something else to let the controller know when the table did scroll to bottom.
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Release generating .pdb files, why?
...s of source code cannot be matched up one-to-one with (or even in the same order as) the generated assembly code. PDB files help you and the debugger out, making post-mortem debugging significantly easier.
You make the point that if your software is ready for release, you should have done all your ...
How can I make an “are you sure” prompt in a Windows batchfile?
...y thing I would add is an additional SET AREYOUSURE=N before the prompt in order to clear the choice if you already ran the script before in that command window. Without it the default will remain the previously selected choice.
– isapir
Dec 26 '14 at 21:05
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How do I rename a column in a SQLite database table?
...BLE command as plain text, and the rows, whose values are appearing in the order of the fields from the CREATE command. Which means that the sqlite code opens the database, it parses each CREATE command and dynamically builds its column information in memory. So, any command that alters the CREATE c...
What is the “volatile” keyword used for?
...ut read-acquire, and store-release semantics, which are required on weakly ordered memory architectures. It is about speculative execution.
– doug65536
Oct 7 '16 at 2:28
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quick random row selection in Postgres
...u want to use a higher LIMIT... I need to get 3 items so I need to use the ORDER BY RANDOM() syntax.
– Alexis Wilke
Nov 24 '12 at 1:29
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The best way to remove duplicate values from NSMutableArray in Objective-C?
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Your NSSet approach is the best if you're not worried about the order of the objects, but then again, if you're not worried about the order, then why aren't you storing them in an NSSet to begin with?
I wrote the answer below in 2009; in 2011, Apple added NSOrderedSet to iOS 5 and Mac OS...
With MySQL, how can I generate a column containing the record index in a table?
... People should be aware that this row number is calculated before any ordering takes place, so the numbers may become jumbled up if the order changes the row order.
– Grim...
Nov 8 '12 at 14:20
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ROW_NUMBER() in MySQL
...ent. You might get the results you expect, but this is not guaranteed. The order of evaluation for expressions involving user variables is undefined and may change based on the elements contained within a given statement."
– Roland Bouman
Jan 11 '10 at 13:51
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