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What is the effect of extern “C” in C++?
What exactly does putting extern "C" into C++ code do?
15 Answers
15
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error: Unable to find vcvarsall.bat
...out that the instructions here may be dangerous. Consider using the Visual C++ 2008 Express edition or the purpose-built Microsoft Visual C++ Compiler for Python (details) and NOT using the original answer below. Original error message means the required version of Visual C++ is not installed.
Fo...
How to extract numbers from a string in Python?
...ou can try filter.
For example:
In [1]: int(''.join(filter(str.isdigit, '200 grams')))
Out[1]: 200
In [2]: int(''.join(filter(str.isdigit, 'Counters: 55')))
Out[2]: 55
In [3]: int(''.join(filter(str.isdigit, 'more than 23 times')))
Out[3]: 23
But be carefull !!! :
In [4]: int(''.join(filter(str...
How can I use a C++ library from node.js?
How can I use a C++ library from node.js?
8 Answers
8
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How do I convert a column of text URLs into active hyperlinks in Excel?
...question is I want to turn the url values to active links. There are about 200 entries in that column with different urls in all cells. Is there a way I can create active hyperlinks to all the cells without writing a macro.
...
Difference between .success() and .complete()?
...
.success() only gets called if your webserver responds with a 200 OK HTTP header - basically when everything is fine.
However, .complete() will always get called no matter if the ajax call was successful or not - maybe it outputted errors and returned an error - .complete() will still ...
Why would anybody use C over C++? [closed]
Although people seem to like to complain about C++, I haven't been able to find much evidence as to why you would want to choose C over C++. C doesn't seem to get nearly as much flak and if C++ has all these problems why can't you just restrict yourself to the C subset? What are your thoughts/expe...
Search of table names
... use dynamic SQL to add the dbname to the query:
DECLARE @DBName NVARCHAR(200) = 'YourDBName',
@TableName NVARCHAR(200) = 'SomeString';
IF NOT EXISTS (SELECT 1 FROM master.sys.databases WHERE Name = @DBName)
BEGIN
PRINT 'DATABASE NOT FOUND';
RETURN;
END;
DECLARE @S...
Is it possible to program iPhone in C++
...ctive C is insane. So I'm curious: is it possible to code iPhone apps with C++ while using the Cocoa API, etc?
11 Answers
...
Sorting object property by values
... a solution:
var maxSpeed = {
car: 300,
bike: 60,
motorbike: 200,
airplane: 1000,
helicopter: 400,
rocket: 8 * 60 * 60
};
var sortable = [];
for (var vehicle in maxSpeed) {
sortable.push([vehicle, maxSpeed[vehicle]]);
}
sortable.sort(function(a, b) {
return a[1] ...