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How do you add an in-app purchase to an iOS application?
...called when the transaction does not finish
if(transaction.error.code == SKErrorPaymentCancelled){
NSLog(@"Transaction state -> Cancelled");
//the user cancelled the payment ;(
}
[[SKPaymentQueue defaultQueue]...
ElasticSearch - Return Unique Values
... "size" : 500 }
}
}}
But if you ran into following error:
"error": {
"root_cause": [
{
"type": "illegal_argument_exception",
"reason": "Fielddata is disabled on text fields by default. Set fielddata=true on [fastest_method]...
Swapping column values in MySQL
....02 sec)
mysql> update z set c1 = c1 ^ c2, c2 = c1 ^ c2, c1 = c1 ^ c2;
ERROR 1264 (22003): Out of range value for column 'c1' at row 2
mysql> update z set c1 = c1 + c2, c2 = c1 - c2, c1 = c1 - c2;
ERROR 1264 (22003): Out of range value for column 'c1' at row 3
mysql> select * from z;
+---...
How can I switch my signed in user in Visual Studio 2013?
...t, but couldn't get Visual Studio to recognize it. This solution fixed my errors that I was continuously getting. I wish there was a way to move this answer to the top!
– Howard Renollet
Apr 18 '16 at 13:45
...
How can I install pip on Windows?
...'t have a C/C++ compiler installed and configured, you'll see this cryptic error message.
Error: Unable to find vcvarsall.bat
You can fix that by installing a C++ compiler such as MinGW or Visual C++. Microsoft actually ships one specifically for use with Python. Or try Microsoft Visual C++ Co...
Can't connect to local MySQL server through socket '/var/lib/mysql/mysql.sock' (2)
I am getting the following error when I try to connect to mysql:
34 Answers
34
...
Should I use Java's String.format() if performance is important?
...arking, so I did.
Results:
Benchmark Mode Cnt Score Error Units
MyBenchmark.testOld thrpt 20 9645.834 ± 238.165 ops/s // using +
MyBenchmark.testNew thrpt 20 429.898 ± 10.551 ops/s // using String.format
Units are operations per second, the more the better. ...
FileSystemWatcher vs polling to watch for file changes
...ames and events, so increase it to the expected amount of files (trial and error). It does use memory that cannot be paged out, so it could force other processes to page if memory gets low.
Here is the MSDN article on buffer :
FileSystemWatcher..::.InternalBufferSize Property
Per MSDN:
Incre...
“Cannot evaluate expression because the code of the current method is optimized” in Visual Studio 20
...I can't quick watch (or hover on) any variable in the debugger. I get this error "Cannot evaluate expression because the code of the current method is optimized".
...
What are the differences between JSON and JSONP?
...,
success: function(json) {
console.dir(json.sites);
},
error: function(e) {
console.log(e.message);
}
});
})(jQuery);
Now we can request the JSON via AJAX using JSONP and the callback function we created around the JSON content.
The output should be the JSON as an o...