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How to find index of list item in Swift?
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A detailed documentation of the method can be found at https://developer.apple.com/reference/swift/array/1689674-index
For array items that don't conform to Equatable you'll need to use index(where:):
let index = cells.index(where: { (item) -> Bool in
item.foo == 42 // test if this is the i...
Is it true that one should not use NSLog() on production code?
...keep in mind #define DEBUG_MODE can be re-used in different places in your application. For example, in my application I use it to disable license key checks and only allow the application to run if it's before a certain date. This lets me distribute a time limited, fully functional beta copy with m...
Does every web request send the browser cookies?
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Yes, you could orgnize your site/app structure such that all URLs requiring cookies are wthin /app/ or suchlike - it would retain portability without needing separate subdomains to eliminate redundant overhead. Or you could ditch the now useless Google Anal...
Cleanest way to write retry logic?
...eption handling mechanism. Having said that, here's a lambda-based retry wrapper that you can use with any method. I chose to factor the number of retries and the retry timeout out as parameters for a bit more flexibility:
public static class Retry
{
public static void Do(
Action action...
How to lazy load images in ListView in Android
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Here's what I created to hold the images that my app is currently displaying. Please note that the "Log" object in use here is my custom wrapper around the final Log class inside Android.
package com.wilson.android.library;
/*
Licensed to the Apache Software Foundation (...
How do I properly clean up Excel interop objects?
I'm using the Excel interop in C# ( ApplicationClass ) and have placed the following code in my finally clause:
41 Answers
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Local file access with JavaScript
... Damn. This is stupid, of course. Javascript is supposedly an application-agnostic scripting language. Not every application is a web browser. I came here because I'm interested in scripting Photoshop, for instance. Even if some applications don't provide file access classes, it makes s...
Status bar and navigation bar appear over my view's bounds in iOS 7
I recently downloaded Xcode 5 DP to test my apps in iOS 7. The first thing I noticed and confirmed is that my view's bounds is not always resized to account for the status bar and navigation bar.
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How do I get the filepath for a class in Python?
...abc.ABCMeta), as it returns /usr/local/lib/python3.7/abc.py instead of the appropriate file. The solution by @JarretHardie (below) worked better.
– martian111
Sep 8 '19 at 20:48
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Ruby on Rails: Where to define global constants?
I'm just getting started with my first Ruby on Rails webapp. I've got a bunch of different models, views, controllers, and so on.
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