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When is it better to use String.Format vs string concatenation?
...chedule[0]
);
Update
It occurs to me that the example I've given is a bit confusing, because it appears that I've used both concatenation and string.Format here. And yes, logically and lexically, that's what I've done. But the concatenations will all be optimized away by the compiler1, since ...
How to extract the first two characters of a string in shell scripting?
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answered Sep 10 '09 at 14:32
paxdiablopaxdiablo
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To Workflow or Not to Workflow?
...ich is usually not worth doing.
The message correlation aspect of it is a bit of mindset shift for those not familiar with message exchange patterns. Most devs have dealt with in process and remote calls, web service and SOAP, and usually focussed on one or two of those. To abstract above it all an...
When & why to use delegates? [duplicate]
...be sent as parameters into methods, constructor or whatever, methods are a bit more tricky. But every once in a while you might feel the need to send a method as a parameter to another method, and that's when you'll need delegates.
using System;
using System.Collections.Generic;
using System.Linq;...
Setting UIButton image results in blue button in iOS 7
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– Chamira Fernando
Oct 22 '14 at 10:34
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show 3 more comments
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How to calculate dp from pixels in android programmatically [duplicate]
...d of casting for Kotlin.
– kike
Jul 10 '18 at 7:34
1
@SaQada Look at the docs: developer.android....
Check if a string contains a number
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10
@thefourtheye: -1 is still a digit. It is a dash, followed by the digit '1'
– user3183018
Feb 27 '1...
When exactly is it leak safe to use (anonymous) inner classes?
... // Now, let's get the holes and store them.
myHoles = new Leak[1000];
for (int i = 0; i++; i<1000)
{//Store them in the class member
myHoles[i] = _holeDriller.createLeak();
}
// Yay! We're done!
// Buh-bye LeakFactory. I don't need you a...
What is a sealed trait?
...scope. It's generally used to summon typeclass instances in a way that's a bit terser and easier to read than an implicit parameter ((implicit fa: F[A])), but it still works the exact same way under the hood, and as Daniel points out, traits don't get to do that.
– mirichan
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How to iterate over rows in a DataFrame in Pandas
...a function, you can use a list comprehension that calls it. You can make arbitrarily complex things work through the simplicity and speed of raw Python code.
Caveats
List comprehensions assume that your data is easy to work with - what that means is your data types are consistent and you don't have ...