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iOS app error - Can't add self as subview
...rotocol, in any case. And I've found that in iOS8 events fire in different orders, and some things that used to be more or less synchronous now return fast but schedule things to get done on background asynchronously, creating lots of new timing bugs like these. Thanks, Apple!
–...
How to generate an openSSL key using a passphrase from the command line?
... prompt for a password:
openssl genpkey -aes-256-cbc -algorithm RSA -out /etc/ssl/private/key.pem -pkeyopt rsa_keygen_bits:4096
However when run from a script the command will not ask for a password so to avoid the password being viewable as a process use a function in a shell script:
get_passwd...
What's the difference between “Request Payload” vs “Form Data” as seen in Chrome dev tools Network t
... Is there a reason to prefer one over the other in terms of size etc.. Specifically for lightweight AJAX calls?
– user
Aug 8 '14 at 14:10
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Ruby: extend self
... will be:
module Rake
include Test::Unit::Assertions
def run_tests # etc.
end
end
Rake.extend(Rake)
This can be used to define self contained modules with private methods.
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impro...
Sound effects in JavaScript / HTML5
...the Audio element was never meant to provide full audio support for games, etc. It was designed to allow a single piece of media to be embedded in a page, similar to an img tag. There are a lot of issues with trying to use the Audio tag for games:
Timing slips are common with Audio elements
You ...
How do I concatenate or merge arrays in Swift?
...be propagated to the next operation along the chain (map, flatMap, filter, etc...).
If lazyness makes sense in your particular case, just remember to prepend or append a .lazy to flatten(), for example, modifying Tomasz sample this way:
let c = [a, b].lazy.flatten()
...
How do Third-Party “tracking cookies” work?
....com/img.jpg">, then the browser will send the cookie foo=bar when it fetches http://example.com/img.jpg, even though http://example2.com is responsible for the request being sent.
So, if website A contains an ad that is served by website B, then website B can set a cookie in your browser. For ...
How can I deploy an iPhone application from Xcode to a real iPhone device?
...
Free Provisioning after Xcode 7
In order to test your app on a real device rather than pay the Apple Developer fee (or jailbreak your device), you can use the new free provisioning that Xcode 7 and iOS 9 supports.
Here are the steps taken more or less from the...
Android studio, gradle and NDK
... for each architecture you’re targeting (e.g. x86, arm, mips, arm64-v8a, etc…)
The code you want to be compiled by default by the NDK toolchain will be located in (module)/src/main/jni and similarly to above, you can change it by setting sourceSets.main.jni.srcDirs in your module’s build....
Async/Await vs Threads
...read is a separate stream of execution that can run with its own variables etc. where - given sufficient hardware - execution occurs in parallel to the main thread.
If you have a GUI application that is going to download a single file and then do something with that file when its downloaded - I'd i...