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How to copy an object in Objective-C
...deep, logical copy. In this, we make a copy of the object, but without actually doing it bit by bit - we want an object that behaves the same for all intents and purposes, but isn't (necessarily) a memory-identical clone of the original - the Objective C manual calls such an object "functionally ind...
How to ignore certain files in Git
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How to ignore new files
Globally
Add the path(s) to your file(s) which you would like to ignore to your .gitignore file (and commit them). These file entries will also apply to others checking out the repository.
Locally
Add the path(s) to your file(...
Web Reference vs. Service Reference
...ick wall with Paypal. I had created a regular C# project to create some wrapper classes using their WSDL.
4 Answers
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How to make a HTTP request using Ruby on Rails?
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Just adding that the www. shouldn't be necessary, it typically isn't.
– JackHasaKeyboard
Oct 1 '16 at 5:00
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What is the best way to implement a “timer”? [duplicate]
...iseconds, specified by the Interval property on the Timer object. It will call the Event Handler method you specify. In the example above, it is OnTimedEvent.
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Does “\d” in regex mean a digit?
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@FarazAhmad, probably not, you have to specify all characters separately
– Kirill Polishchuk
Dec 28 '17 at 23:26
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Python Graph Library [closed]
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I just evaluated both. networkx is installable via pip, whereas igraph is not. This makes igraph harder to use as dependencies in your setup.py files.
– exhuma
Aug 10 '12 at 7:46
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Performance of Find() vs. FirstOrDefault() [duplicate]
...ject an anonmyous data item just for compilation
List<\u003C\u003Ef__AnonymousType0<string>> source = Enumerable.ToList(Enumerable.Select(Enumerable.Range(0, 1000000), i =>
{
var local_0 = new
{
Name = Guid.NewGuid().ToString()
};
return local_...
Dictionaries and default values
...collections import defaultdict
a = defaultdict(lambda: "default", key="some_value")
a["blabla"] => "default"
a["key"] => "some_value"
You can pass any ordinary function instead of lambda:
from collections import defaultdict
def a():
return 4
b = defaultdict(a, key="some_value")
b['absent...
Generating PDF files with JavaScript
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I've just written a library called jsPDF which generates PDFs using Javascript alone. It's still very young, and I'll be adding features and bug fixes soon. Also got a few ideas for workarounds in browsers that do not support Data URIs. It's licensed und...