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Cache Invalidation — Is there a General Solution?
...'s control.
If you have an idempotent function from a, b to c where, if a and b are the same then c is the same but the cost of checking b is high then you either:
accept that you sometime operate with out of date information and do not always check b
do your level best to make checking b as fast...
PHP and Enumerations
...o give predefined values which IDEs' auto-completion features could understand.
37 Answers
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Xcode suddenly stopped running project on hardware: “Could not launch xxx.app: .. No such file..” [c
...able to run my app, it started directly after I deleted it from the device and attempted to re-install by rerunning it in Xcode (something I've done hundreds of times before).
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Confused about Service vs Factory
As I understand it, when inside a factory I return an object that gets injected into a controller. When inside a service I am dealing with the object using this and not returning anything.
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Performing a Stress Test on Web Application?
In the past, I used Microsoft Web Application Stress Tool and Pylot to stress test web applications. I'd written a simple home page, login script, and site walkthrough (in an ecommerce site adding a few items to a cart and checkout).
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Recommendation for compressing JPG files with ImageMagick
...r than the input. I don't know why, but after adding some +profile options and setting down the quality I can get an smaller size but still similar to original.
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Collapse sequences of white space into a single character and trim string
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OS X 10.7+ and iOS 3.2+
Use the native regexp solution provided by hfossli.
Otherwise
Either use your favorite regexp library or use the following Cocoa-native solution:
NSString *theString = @" Hello this is a long ...
Javascript: negative lookbehind equivalent?
...le Chrome 62.0
✔️ Microsoft Edge 79.0
✔️ Node.js 6.0 behind a flag and 9.0 without a flag
✔️ Deno (all versions)
✔️ SpiderMonkey
✔️ Mozilla Firefox 78.0
????️ JavaScriptCore: Apple is working on it
????️ Apple Safari
????️ iOS WebView (all browsers on iOS + iPadOS)
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What is a None value?
I have been studying Python, and I read a chapter which describes the None value, but unfortunately this book isn't very clear at some points. I thought that I would find the answer to my question, if I share it there.
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What is the difference between CMD and ENTRYPOINT in a Dockerfile?
In Dockerfiles there are two commands that look similar to me: CMD and ENTRYPOINT . But I guess that there is a (subtle?) difference between them - otherwise it would not make any sense to have two commands for the very same thing.
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