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Count number of objects in list [closed]
... of executing other functions on lists as well, such as:
> sum(mylist)
Error in sum(mylist) : invalid 'type' (list) of argument
> sum(unlist(mylist))
[1] 45
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Removing MySQL 5.7 Completely [closed]
...e to stop the mysql service. "sudo service stop". Otherwise you will get error like "userdel: user mysql is currently logged in".
– arulraj.net
Aug 4 '14 at 13:31
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BrightnessTools 拓展：设置手机亮度的工具 · App Inventor 2 中文网
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error
String
返回错误的描述信息。
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How can I add reflection to a C++ application?
... Note that if you try to compile this under Visual Studio you will get an error because VS doesn't handle the variadic macro expansion properly. For VS, try adding: #define DETAIL_TYPEOF_INT2(tuple) DETAIL_TYPEOF_HEAD tuple and #define DETAIL_TYPEOF_INT(...) DETAIL_TYPEOF_INT2((__VA_ARGS__))...
Razor comment syntax
...r engine will still evaluate it and if it does not compile you will get an error -- better to use the razor-specific comment delimiters
– Christopher King
Oct 25 '13 at 17:26
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HTML Script tag: type or language (or omit both)?
...ad>
<body/>
</html>
You will be informed of the following error:
Line 4, Column 41: required attribute "type" not specified
So if you're a fan of standards, use it. It should have no practical effect, but, when in doubt, may as well go by the spec.
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How do I show the schema of a table in a MySQL database?
... for the second point helped me for what I'm looking. My editor thrown the error saying "Invalid Object" on the table I tried to use and I have no clue about the DB or Schema under which the table falls in as the table is already created by someone else already, until I got this information
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knitr Markdown highlighting in Emacs?
...eadme.md, it reads:
Tested with Emacs 24.3.1 and 24.4.5.
As for your error: "Cannot open load file: color", in polymode.el, there is the line:
(require 'color)
this package is in Emacs 24, but it might well miss in your version.
Solution
Upgrade to a recent (therefore supported) versio...
How to disable the warning 'define' is not defined using JSHint and RequireJS
...es RequireJS AMD in my project. When i run jshint on my project, it throws error like
8 Answers
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Find TODO tags in Eclipse
When I used Eclipse to add unimplemented methods to a Java class to fix an error, methods were auto-generated and include // TODO Auto-generated method stub
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