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How do I inspect the view hierarchy in iOS?
...ool that inspects the view hierarchy of an iOS app? I'm thinking about Webkit's web inspector or similar tools. I'm looking to debug layout issues, like views having the wrong position or size, or a child not being properly contained in its parent. Currently I have to add asserts that test these var...
What is the difference between Trap and Interrupt?
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A trap is an exception in a user process. It's caused by division by zero or invalid memory access. It's also the usual way to invoke a kernel routine (a system call) because those run with a higher priority than user code. Handling is synchronous (so the user code i...
A more pretty/informative Var_dump alternative in PHP? [closed]
... they use, love and assign shortcut keys to, why don't we share our favourite ones .
25 Answers
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How to fix “no valid 'aps-environment' entitlement string found for application” in Xcode 4.3?
...r shop is fairly new to iOS dev, I personally am completely inexperienced with iOS dev and Xcode. I've stumbled through tens of tutorials, articles, and trouble posts from Apple and elsewhere and I feel like I might be nearly there...
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How to do ToString for a possibly null object?
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C# 6.0 Edit:
With C# 6.0 we can now have a succinct, cast-free version of the orignal method:
string s = myObj?.ToString() ?? "";
Or even using interpolation:
string s = $"{myObj}";
Original Answer:
string s = (myObj ?? String.Empty...
Generate a random point within a circle (uniformly)
I need to generate a uniformly random point within a circle of radius R .
21 Answers
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Call Go functions from C
I am trying to create a static object written in Go to interface with a C program (say, a kernel module or something).
4 An...
Why does Python code use len() function instead of a length method?
...on that is used to determine the size of a string, but I was wondering why it's not a method of the string object.
9 Answer...
Checking if sys.argv[x] is defined
...cept and testing len(sys.argv) isn't all that significant. They're both a bit hackish compared to argparse.
This occurs to me, though -- as a sort of low-budget argparse:
arg_names = ['command', 'x', 'y', 'operation', 'option']
args = dict(zip(arg_names, sys.argv))
You could even use it to gener...
Handling Dialogs in WPF with MVVM
...can be interesting. I can expose an ICommand that when the view invokes it, a dialog can appear.
23 Answers
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