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Cast a Double Variable to Decimal
...hould use the M when declaring a new literal decimal value:
decimal dec = 123.45M;
(Without the M, 123.45 is treated as a double and will not compile.)
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How do I uninstall nodejs installed from pkg (Mac OS X)?
...g to do what you want. The script was written against older versions of macOS and Node.js so may require updates.
– nicerobot
Aug 19 '19 at 13:17
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Understanding the Event Loop
... queue, and runs it.
A key thing to understand is that node relies on the OS for most of the heavy lifting. So incoming network requests are actually tracked by the OS itself and when node is ready to handle one it just uses a system call to ask the OS for a network request with data ready to be pr...
Does Javascript pass by reference? [duplicate]
...cript!
Call-by-Value
Primitive types are passed by-value:
var num = 123, str = "foo";
function f(num, str) {
num += 1;
str += "bar";
console.log("inside of f:", num, str);
}
f(num, str);
console.log("outside of f:", num, str);
Reassignments inside a function scope are ...
Passing command line arguments from Maven as properties in pom.xml
Is it possible to pass arguments from command line to properties in pom.xml file ?
for example I run mvn ... argument
5 ...
Difference between filter and filter_by in SQLAlchemy
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Be careful when using .filter. a query like id=12345, query(users).filter(id == id) will not filter on users.id. Instead, it will evaluate id == id as True and return all users. You need to use .filter(users.id == id) (as demoed above). I made this mistake earlier today.
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Mac OS X - EnvironmentError: mysql_config not found
...-Python (or pip3 install mysqlclient if using python 3)
If you did all those steps in the same order, and you still got an error, read on to the end, if, however, you did not follow these exact steps try, following them from the very beginning.
So, you followed the steps, and you're still geting ...
What is a method group in C#?
...) overload which takes a string parameter:
Func<string,string> fn = 123.ToString;
Console.WriteLine(fn("00000000"));
This example picks the ToString() overload which takes no parameters:
Func<string> fn = 123.ToString;
Console.WriteLine(fn());
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Dynamic instantiation from string name of a class in dynamically imported module?
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@jpennell you should post that as an answer, it's often more useful to be able to directly use the string returned by obj.__module__
– Anentropic
Aug 22 '14 at 12:42
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Vim Insert Mode on Mac OS X
... LMAO. It seems like such a simple question, but I too was very lost. Hard to search for as well. I've always used the insert key. I was at a loss.
– Preston
Oct 14 '13 at 18:05
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