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What is the best django model field to use to represent a US dollar amount?
...ld type to use? I need to be able to have the user enter this value (with error checking, only want a number accurate to cents), format it for output to users in different places, and use it to calculate other numbers.
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Returning null as an int permitted with ternary operator but not if statement
...ike this to verify this (true ? null : null) and you will get the compiler error.
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How to commit changes to a new branch
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If your changes are incompatible with the other branch
If you get the error:
error: Your local changes to the following files would be overwritten by checkout:
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Please commit your changes or stash them before you switch branches
Then you can stash your work, create a new branch, then pop ...
Maximum Java heap size of a 32-bit JVM on a 64-bit OS
...JVM can allocate up to 1577MiB:
[C:scratch]> java -Xmx1600M MaxMemory
Error occurred during initialization of VM
Could not reserve enough space for object heap
Could not create the Java virtual machine.
[C:scratch]> java -Xmx1590M MaxMemory
Total Memory: 2031616 (1.9375 MiB)
Max Memory: 16...
Linux: is there a read or recv from socket with timeout?
..., 1, 1000); // 1 second for timeout
switch (ret) {
case -1:
// Error
break;
case 0:
// Timeout
break;
default:
recv(mySocket,buf,sizeof(buf), 0); // get your data
break;
}
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R: Comment out block of code [duplicate]
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Richie, nice suggestion, but slashes will generate error messages:Error: unexpected '/' in: "#( # start of comment http:/"
– PatrickT
Mar 11 '13 at 14:32
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Authenticating in PHP using LDAP through Active Directory
...$_POST['username'], $_POST['password'])) {
// log them in!
} else {
// error message
}
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Java Enum definition
...and this is the main argument why I am avoiding this. I've never seen cast errors in this case + I know that there are some inevitable cast errors - i.e. when one stores objects of multiple types to a same collection. So if unchecked casts are not critical and the design in somewhat complex (Node<...
How to stop mysqld
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I got this error for that: ERROR 1045 (28000): Access denied for user 'root'@'localhost' (using password: NO)
– 2myCharlie
Aug 1 '18 at 20:09
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How can I check if a checkbox is checked?
...You should also advice to strip that == 1. Its only working because of two errors. Actually the value is true or false, he should just using if( remeber.checked )
– jAndy
Mar 27 '12 at 10:08
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