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Quick and easy file dialog in Python?
...the file, and then it's loaded to the database. (In my use case, if they happened to chose the wrong file, it would fail parsing, and wouldn't be a problem even if it was loaded to the database.)
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How to free memory in Java?
...'re manually calling the garbage collector, you may want to consider other approaches:
If you're forcing GC on a limited number of machines, it may be worth having a load balancer point away from the current machine, waiting for it to finish serving to connected clients, timeout after some period ...
Spring Boot Remove Whitelabel Error Page
...remove white label error page, so what I've done was created a controller mapping for "/error",
15 Answers
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How to delete an old/unused Data Model Version in Xcode
... I haven't changed the default version name, so the versions are named "MY_APP 37.xcdatamodel". I wanted to delete 38. On import, it was pulled in lexical order, meaning "MY_APP 10.xcdatamodel" was first, and selected as the default. Not ideal in my case.
– Mike
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How to check for an active Internet connection on iOS or macOS?
...nswers below are synchronous so be careful otherwise you'll freeze up your app.
Swift
1) Install via CocoaPods or Carthage: https://github.com/ashleymills/Reachability.swift
2) Test reachability via closures
let reachability = Reachability()!
reachability.whenReachable = { reachability in
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Find out who is locking a file on a network share
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I used an application called Unlocker to do this (the file was on the NAS). The app is here: filehippo.com/download_unlocker/tech and it worked for me but I can't vouch for this app
– Dan
Aug 17 ...
UINavigationBar Hide back Button Text
...er and change the Back Button string to what you'd like the back button to appear as. If you want it blank, for example, just put a space.
You can also change it with this line of code:
[self.navigationItem.backBarButtonItem setTitle:@"Title here"];
Or in Swift:
self.navigationItem.backBarButton...
What are Long-Polling, Websockets, Server-Sent Events (SSE) and Comet?
...s prior to HTML5 which use streaming and long-polling to achieve real time applications. Read more on wikipedia or this article.
Now, which one of them should I use for a realtime app (that I need to
code). I have been hearing a lot about websockets (with socket.io [a
node.js library]) but...
Why define an anonymous function and pass it jQuery as the argument?
...ode inside of jQuery's DOMReady function, and potentially damaging to your application performance. This function does not get called until the DOM has loaded and is ready to be manipulated. That means you're waiting until the browser has parsed the DOM at least once before you are defining your obj...
how to read System environment variable in Spring applicationContext
How to read the system environment variable in the application context?
11 Answers
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