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JavaScript Date Object Comparison
...n the examples, is always dealing with operands of the same type, @RobG is converting the values explicitly to Number (example 1 and 3) or in the example 2, we know that Date.prototype.getTime will always return a Number...
– Christian C. Salvadó
Sep 30 '11 at...
Using ECMAScript 6
...s)
Using Babel in your development pipeline will automatically transpile (convert) your JavaScript to be cross-browser compatible. Or, if you're using TypeScript, you can rest easy; your code is already getting transpiled.
Don't want to setup a transpiler (such as Babel/Typescript), or do yo...
What is the difference between Θ(n) and O(n)?
...ou can read the definition on Wikipedia or consult a classic textbook like Introduction to Algorithms by Cormen et al.
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how to create a file name with the current date & time in python?
...ormat you specify:
import time
timestr = time.strftime("%Y%m%d-%H%M%S")
print timestr
yields:
20120515-155045
so your filename could append or use this string.
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How to make Entity Framework Data Context Readonly
...Set<Customer>().AsNoTracking();
}
}
public override int SaveChanges()
{
// Throw if they try to call this
throw new InvalidOperationException("This context is read-only.");
}
protected override void OnModelCreating(DbModelBuilder modelBuilder)
...
How best to determine if an argument is not sent to the JavaScript function
...efault value. The second method will default all but the first (as JS will convert undefined, null, 0, and "" into the boolean false. And if you were to use Tom's method, only the fourth test will use the default!
Which method you choose really depends on your intended behavior. If values other tha...
How to use npm with node.exe?
...ack - module bundler, package node-style modules for browser usage
babel - convert modern JS (ES2015+) syntax for your deployment environment.
If you build it...
shelljs - shell utilities for node scripts,. I used to use gulp/grunt, but these days will have a scripts directory that's referenced ...
Any reason to prefer getClass() over instanceof when generating .equals()?
...not be considered meaningful beyond the fact that the class in question is convertible to the base class, the return from getClass() should be considered like any other property which must match for instances to be equal.
– supercat
Apr 16 '14 at 16:41
...
Define static method in source-file with declaration in header-file in C++
...uments of static function. They are not class members. There is no need of converting them to static.
– 999k
Dec 9 '14 at 11:08
...
How to break out of a loop from inside a switch?
...e no terminating condition. (Arguably, this has already happened, so the point is moot.)
Alternative to "Go To"
The following code is better form:
while( isValidState() ) {
execute();
}
bool isValidState() {
return msg->state != DONE;
}
Advantages
No flag. No goto. No exception. Easy...