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How can I remove a flag in C?
...ome flags and I want to remove one of them. But I don't know how to remove it.
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Where do I find the current C or C++ standard documents?
...Zealand
C17/C18 – ISO/IEC 9899:2018: $185 from SAI Global / $116 from INCITS/ANSI / N2176 / c17_updated_proposed_fdis.pdf draft from November 2017 (Link broken, see Wayback Machine N2176)
C11 – ISO/IEC 9899:2011: $30 $60 from ansi.org / WG14 draft version N1570
C99 – ISO 9899:1999: $30 $60 fro...
How to return multiple objects from a Java method?
...st<String>? Or better yet, return a Map<String,TheObjectType> with the keys being the names and the values the objects (unless your objects have specified order, in which case a NavigableMap might be what you want.
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How to delete duplicates on a MySQL table?
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this removes duplicates in place, without making a new table
ALTER IGNORE TABLE `table_name` ADD UNIQUE (title, SID)
note: only works well if index fits in memory
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How to find the array index with a value?
...00,400,500];
var index = imageList.indexOf(200); // 1
You will get -1 if it cannot find a value in the array.
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What’s the difference between ScalaTest and Scala Specs unit test frameworks?
Both are BDD (Behavior Driven Development) capable unit test frameworks for Scala written in Scala. And Specs is built upon may also involve the ScalaTest framework. But what does Specs offer ScalaTest doesn't? What are the differences?
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Rails migrations: self.up and self.down versus change
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For many operations rails can guess what is the inverse operation (without problems). For example, in your case what is the reverse operation of add_column to call when you rollback? Of course it's remove_column. What is the inverse of create_table? It's drop_table. So in these cases rails kn...
Unknown Column In Where Clause
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edited Oct 29 '15 at 9:44
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Which Radio button in the group is checked?
...nForms; Is there a better way to find the checked RadioButton for a group? It seems to me that the code below should not be necessary. When you check a different RadioButton then it knows which one to uncheck… so it should know which is checked. How do I pull that information without doing a lot o...
How can I disable logging of asset pipeline (sprockets) messages in Ruby on Rails 3.1?
Sprockets tends to be quite verbose in the (dev) log by default under Ruby on Rails 3.1 (RC1):
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