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What does -D_XOPEN_SOURCE do/mean?
I recently encountered some code that gcc would not compile without this arg. I checked the gcc man page, but did not find this specific option. I did find XOPEN_SOURCE , but there was little explanation of what it does.
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Xcode variables
In Xcode, I know that you can get variables such as PROJECT_DIR to use in some situations, such as a run script build phase. I am wondering if it's possible to get the build type (i.e., Release or Debug ). Any ideas?
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Initialize a long in Java
Primitive Data Types - oracle doc says the range of long in Java is -9,223,372,036,854,775,808 to 9,223,372,036,854,775,807 .
But when I do something like this in my eclipse
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CSS: transition opacity on mouse-out?
Why does this only animate the opacity when I hover-in but not when I leave the object with the mouse?
3 Answers
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CSS selector with period in ID
The HTML spec allows for periods (.) in an id:
2 Answers
2
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What does “Protocol … can only be used as a generic constraint because it has Self or associated typ
I am trying to create a Dictionary (actually a HashSet ) keyed on a custom protocol in Swift, but it is giving me the error in the title:
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Literal notation for Dictionary in C#?
I currently have a WebSocket between JavaScript and a server programmed in C#. In JavaScript, I can pass data easily using an associative array:
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Check whether a variable is a string in Ruby
Is there anything more idiomatic than the following?
6 Answers
6
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How do I move a table into a schema in T-SQL
I want to move a table into a specific Schema using T-SQL? I am using SQL Server 2008.
2 Answers
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jQuery.active function
I was trying to find some more information on the following jQuery function:
2 Answers
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