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How to concatenate a std::string and an int?
...++11 (to_string() is already included in #include <string>)
is safe, and fast; requires FastFormat, which must be compiled; most/all platforms
(ditto)
is safe, and fast; requires the {fmt} library, which can either be compiled or used in a header-only mode; most/all platforms
safe, slow, and v...
Interop type cannot be embedded
...r you. Just open the Properties tab for the assembly in Visual Studio 2010 and set "Embed Interop Types" to "False".
EDIT: See also Michael Gustus's answer, removing the Class suffix from the types you're using.
share
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How to use http.client in Node.js if there is basic authorization
...eld in the header.
It contains the authentication type Basic in this case and the username:password combination which gets encoded in Base64:
var username = 'Test';
var password = '123';
var auth = 'Basic ' + Buffer.from(username + ':' + password).toString('base64');
// new Buffer() is deprecated ...
Implements vs extends: When to use? What's the difference?
Please explain in an easy to understand language or a link to some article.
18 Answers
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“R cannot be resolved to a variable”? [duplicate]
In Eclipse, I've created a project from a source and now it shows errors - "R cannot be resolved to a variable". From what I found here, I had cleared and rebuilt the project, but still the R file doesn't appear in the /gen folder.
...
How to parse Excel (XLS) file in Javascript/HTML5
...ers with it. I need to read xls file row-wise, read data in every column and convert it to JSON.
11 Answers
...
Why does visual studio 2012 not find my tests?
...show up.
Finally did a Clean
Then they showed up.
I find Clean Solution and Clean to be quite useful at getting the solutions to play ball when setting have changed. Sometimes I have to go to the extreme and delete the obj and bin directories and do a rebuild.
...
Select something that has more/less than x character
...e documentation:
http://www.techonthenet.com/oracle/functions/length.php
And here is the mySQL Documentation of Length(string):
http://dev.mysql.com/doc/refman/5.1/en/string-functions.html#function_length
For PostgreSQL, you can use length(string) or char_length(string). Here is the PostgreSQL d...
In MySQL, can I copy one row to insert into the same table?
...ad already provided for their own problem, albeit with actual temp tables, and slightly cleaner create pattern. I think the OP asked for a better approach to what they were already using, not a clean up of their existing syntax. Don't really understand all the upvotes for this.
...
How to test if one java class extends another at runtime?
...e will return true if the class/instance is a member of the type hierarchy and are not restrictive to direct superclass/subclass relationships. For example:
// if A.class extends B.class, and B.class extends C.class
C.class.isAssignableFrom(A.class); // evaluates to true
// ...and...
new A() instan...