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Guaranteed lifetime of temporary in C++?
Does C++ provide a guarantee for the lifetime of a temporary variable that is created within a function call but not used as a parameter? Here's an example class:
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REST response code for invalid data
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400 is the best choice in both cases. If you want to further clarify the error you can either change the Reason Phrase or include a body to explain the error.
412 - Precondition failed is used for conditional requests when usin...
Is there a .NET equivalent to Apache Hadoop? [closed]
...hon all the time :-).
I'm starting to see that the heterogeneous approach is often the best and it looks like other folks are doing the same.
If you look at projects like protocol-buffers or facebook's thrift you see that sometimes it's just best to use an app written in another language and build...
What does default(object); do in C#?
Googling is only coming up with the keyword, but I stumbled across some code that says
8 Answers
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Why I can't change directories using “cd”?
...shell, and each subshell has its own concept of what the current directory is. The cd succeeds, but as soon as the subshell exits, you're back in the interactive shell and nothing ever changed there.
One way to get around this is to use an alias instead:
alias proj="cd /home/tree/projects/java"
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What is stdClass in PHP?
Please define what stdClass is.
17 Answers
17
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Why does integer division in C# return an integer and not a float?
Does anyone know why integer division in C# returns an integer and not a float?
What is the idea behind it? (Is it only a legacy of C/C++?)
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How can I detect when the mouse leaves the window?
... leaves the window so I can stop events from firing while the user's mouse is elsewhere.
18 Answers
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Difference between Key, Primary Key, Unique Key and Index in MySQL
...ses you would use indexes to improve the speed of data retrieval. An index is typically created on columns used in JOIN, WHERE, and ORDER BY clauses.
Imagine you have a table called users and you want to search for all the users which have the last name 'Smith'. Without an index, the database woul...
Why does Chrome incorrectly determine page is in a different language and offer to translate?
The new Google Chrome auto-translation feature is tripping up on one page within one of our applications. Whenever we navigate to this particular page, Chrome tells us the page is in Danish and offers to translate. The page is in English, just like every other page in our app. This particular pag...