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Namespace + functions versus static methods on a class
...tion
string s ; // Ok
vector v ; // Ok
}
string ss ; // COMPILATION ERROR
vector vv ; // COMPILATION ERROR
And you can even limit the "pollution" to one class:
#include <string>
#include <vector>
{
using std::string ;
string s ; // Ok
vector v ; // COMPILATION ERROR
}...
javascript function leading bang ! syntax
...ion(){
// do stuff
}();
doesn't fit that form (and will cause a syntax error at the first opening paren because there is no function name), so the brackets are used to delineate an anonymous function expression.
(function(){
// do stuff
})();
But anything that creates an expression (as oppo...
psql: FATAL: database “” does not exist
...
In my case i wrote $ createdb -h localhost to solve the error could not connect to database postgres: could not connect to server. After that i may connect to postgresql console via psql -h localhost.
– ExiRe
Jan 9 '14 at 14:23
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How do I search for an object by its ObjectId in the mongo console?
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This gives me an error: TypeError: filter must be an instance of dict, bson.son.SON, or other type that inherits from collections.Mapping
– David Okwii
May 10 '16 at 12:47
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How do I set the time zone of MySQL?
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I set +00:00, but I get this error: error: Found option without preceding group in config file: /etc/my.cnf
– János
May 9 '14 at 17:19
...
Android: ProgressDialog.show() crashes with getApplicationContext
...ue, but was using an ActivityGroup. The only way I was able to solve this error was by using getParent() instead.
– brack
Dec 15 '10 at 19:51
20
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Android: android.content.res.Resources$NotFoundException: String resource ID #0x5
...you. I had the same problem setting an int value into TextView.setText for error.
– bheatcoker
Apr 22 '16 at 10:08
2
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Connection to SQL Server Works Sometimes
...ed IPv4). Some later attempts to connect through SSMS resulted in the same error message.
To enable TCP/IP for additional IP addresses:
Start Sql Server Configuration Manager
Open the node SQL Server Network Configuration
Left-click Protocols for MYSQLINSTANCE
In the right-hand pane, right-click ...
Eclipse - Unable to install breakpoint due to missing line number attributes
I am getting this strange error in Eclipse while trying to set a breakpoint.
41 Answers
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Repeat each row of data.frame the number of times specified in a column
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I get an error: Error in rep(1, freq) : invalid 'times' argument. And given that there is already a data.table answer to this question, you may want to describe how your approach is different or when it is better than the current dat...