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Can't create handler inside thread that has not called Looper.prepare()
...e calling it from a worker thread. You need to call Toast.makeText() (and most other functions dealing with the UI) from within the main thread. You could use a handler, for example.
Look up Communicating with the UI Thread in the documentation. In a nutshell:
// Set this up in the UI thread.
mHa...
AtomicInteger lazySet vs. set
...GCable. In such
cases, you can get better performance by avoiding
the costs of the null volatile-write. There are a few
other use cases along these lines for non-reference-based
atomics as well, so the method is supported across all of the
AtomicX classes.
For people who like to think...
How to explain callbacks in plain english? How are they different from calling one function from ano
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@JoSmo you are partly correct. Pass a variable + call-back-function as parameters taking the result created with the variable by the original function and pass it in the call-back-function for further processing. example: func1...
Disable browser's back button
How to disable browser's BACK Button (across browsers)?
20 Answers
20
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How does this giant regex work?
...However i would not execute the resulting PHP code, unless it is on a disposable virtual machine.
<?php
print gzinflate(base64_decode("7b1tVxs50jD8OXvO9R9Er3fanhhjm2Q2Y7ADIZCQSSAD5GUC3N623bZ7aLs93W0Mk+W/31Wll5b6xZhkdq/7OedhJtDdKpVKUkkqlapK3rDM1tzJLL4tl7qn+ycf90/O7ddnZ++7H+Ctu/tq/+jMvqywCvv6P3...
How to deal with a slow SecureRandom generator?
... the stream to be repeatable in future using the same seed for testing purposes, an insecure seed is still useful.
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How to prevent ajax requests to follow redirects using jQuery
... not a part of XMLHttpRequest. It's the part of HTTP client configuration (OS configuration) or the web browser configuration. So jQuery.ajax can't have any option where you can prevent redirection.
You can see that HTTP redirection is the part of HTTP protocol and not a part of XMLHttpRequest. So ...
Best Timer for using in a Windows service
...s.Timer, which are respectively for ASP applications and WinForms. Using those will cause the service to load an additional assembly which is not really needed for the type of application you are building.
Use System.Timers.Timer like the following example (also, make sure that you use a class leve...
How do emulators work and how are they written? [closed]
...instruction, you compile this list of operations to machine code for your host platform, then you cache this compiled code and execute it. Then when you hit a given instruction group again, you only have to execute the code from the cache. (BTW, most people don't actually make a list of instructio...
How to detect if my shell script is running through a pipe?
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In a pure POSIX shell,
if [ -t 1 ] ; then echo terminal; else echo "not a terminal"; fi
returns "terminal", because the output is sent to your terminal, whereas
(if [ -t 1 ] ; then echo terminal; else echo "not a terminal"; fi) | c...