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What are the basic rules and idioms for operator overloading?
...ator
There's a lot to be said about assignment. However, most of it has already been said in GMan's famous Copy-And-Swap FAQ, so I'll skip most of it here, only listing the perfect assignment operator for reference:
X& X::operator=(X rhs)
{
swap(rhs);
return *this;
}
Bitshift Operators (...
How is TeamViewer so fast?
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@Daniel: start by reading the articles about “UDP hole punching“ and “STUN“ on wikipedia.
– Axel
Dec 16 '15 at 20:51
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How do I create an Excel (.XLS and .XLSX) file in C# without installing Microsoft Office?
How can I create an Excel spreadsheet with C# without requiring Excel to be installed on the machine that's running the code?
...
What happens to an open file handle on Linux if the pointed file gets moved or deleted
...em) or renamed, then the file handle remains open and can still be used to read and write the file.
If the file is deleted, the file handle remains open and can still be used (This is not what some people expect). The file will not really be deleted until the last handle is closed.
If the file is ...
Can PHP PDO Statements accept the table or column name as parameter?
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Reading over this, it occurs to me that the example here generates invalid SQL for bad input, because it has no default. If using this pattern, you should either label one of your cases as default, or add an explicit error ca...
What is scaffolding? Is it a term for a particular platform?
...specification to
generate code that the application can
use to create, read, update and delete
database entries, effectively treating
the template as a "scaffold" on which
to build a more powerful application.
sha...
What are the best practices for using a GUID as a primary key, specifically regarding performance?
...lication that uses GUID as the Primary Key in almost all tables and I have read that there are issues about performance when using GUID as Primary Key. Honestly, I haven't seen any problem, but I'm about to start a new application and I still want to use the GUIDs as the Primary Keys, but I was thin...
Send a pull request on GitHub for only latest commit
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If the feature is already committed in origin/master, nothing happens during cherry-pick. The new branch should be from upstream/master (i.e., Kevin Hakanson's answer)
– ohho
Jan 31 '13 at 10:32
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Java's L number (long) specification
...appears that when you type in a number in Java, the compiler automatically reads it as an integer, which is why when you type in (long) 6000000000 (not in integer's range) it will complain that 6000000000 is not an integer. To correct this, I had to specify 6000000000L . I just learned about ...
Force “git push” to overwrite remote files
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You can learn more details about how to use --force-with-lease by
reading any of the following:
git push documentation
Git: How to ignore fast forward and revert origin [branch] to earlier commit?
shar...