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asynchronous vs non-blocking
...socket is one that simply returns immediately with a special "would block" error message, whereas a blocking socket would have blocked. You have to use a separate function such as select or poll to find out when is a good time to retry.
But asynchronous sockets (as supported by Windows sockets), or...
How can I prevent SQL injection in PHP?
...ute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
In the above example the error mode isn't strictly necessary, but it is advised to add it. This way the script will not stop with a Fatal Error when something goes wrong. And it gives the developer the chance to catch any error(s) which are thrown as...
Let JSON object accept bytes or let urlopen output strings
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I got this error when trying this answer in python 3.4.3 not sure why? The error was TypeError: the JSON object must be str, not 'StreamReader'
– Aaron Lelevier
Aug 5 '15 at 23:52
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mongodb, replicates and error: { “$err” : “not master and slaveOk=false”, “code” : 13435 }
...eversely (primary to secondary and vice versa) and we are getting the same error.
so please check in the configuration settings for database status which may help you.
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SyntaxError: Non-ASCII character '\xa3' in file when function returns '£'
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I'd recommend reading that PEP the error gives you. The problem is that your code is trying to use the ASCII encoding, but the pound symbol is not an ASCII character. Try using UTF-8 encoding. You can start by putting # -*- coding: utf-8 -*- at the top of y...
Difference between float and decimal data type
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Actually, the DECIMAL addition is in error. If you add 33.333333333 three times you don't get 100. If you divide 100 by 3 you don't get a rational number without a repeating set of trailing digits, so you can't multiply it by 3 and get 100. Get out a calculator ...
C/C++ macro string concatenation
...fragment
#define PPCAT_NX(A, B) A ## B
PPCAT_NX("s", "1")
produces this error message from the preprocessing phase of gcc: error: pasting ""s"" and ""1"" does not give a valid preprocessing token
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However, for general token pasting, try this:
/*
* Concatenate preprocessor tokens A and B wit...
How do I import CSV file into a MySQL table?
... a local file, you might need to LOAD DATA LOCAL INFILE. If this throws an error 1148 "used command is not allowed", you can enable it by running mysql on the command line with --local-infile.
– Big McLargeHuge
Apr 15 '15 at 4:45
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How to programmatically send SMS on the iPhone?
...^(xpc_object_t event){
xpc_type_t xtype = xpc_get_type(event);
if(XPC_TYPE_ERROR == xtype)
{
NSLog(@"XPC sandbox connection error: %s\n", xpc_dictionary_get_string(event, XPC_ERROR_KEY_DESCRIPTION));
}
// Always set an event handler. More on this later.
NSLog(@"Received a message event!");
});
xp...
Excluding directory when creating a .tar.gz file
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I get tar: Error exit delayed from previous errors. in macos
– prayagupd
Jun 28 '18 at 23:32
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