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How to get my IP address programmatically on iOS/macOS?
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The following code finds all IPv4 and IPv6 addresses on an iOS or OSX device. The first getIPAddress method acts more or less as the older code in this answer: you can prefer either one or the other type address, and it always prefers WIFI over cellular (obviously you could change thi...
Is there a quicker / better way to clear the iPhone Simulator cache than deleting its directory?
So I'm still reasonably new to iOS development and I'm finding myself quite regularly needing to delete either DerivedData, or the contents of the iPhone Simulator directory, to get things to actually execute from my code. Clean in Xcode doesn't do the same as emptying those directories, right? And ...
List comprehension rebinds names even after scope of comprehension. Is this right?
... loop control variable in Python 2 but not in Python 3. Here's Guido van Rossum (creator of Python) explaining the history behind this:
We also made another change in Python
3, to improve equivalence between list
comprehensions and generator
expressions. In Python 2, the list
comprehens...
How can I use a Python script in the command line without cd-ing to its directory? Is it the PYTHONP
...same as the shell’s PATH: one or more directory
pathnames separated by os.pathsep (e.g. colons on Unix or semicolons
on Windows). Non-existent directories are silently ignored.
In addition to normal directories, individual PYTHONPATH entries may
refer to zipfiles containing pure Python ...
How to create a remote Git repository from a local one?
I have a local Git repository. I would like to make it available on a remote, ssh-enabled, server. How do I do this?
8 Answ...
Forward host port to docker container
Is it possible to have a Docker container access ports opened by the host? Concretely I have MongoDB and RabbitMQ running on the host and I'd like to run a process in a Docker container to listen to the queue and (optionally) write to the database.
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vector::at vs. vector::operator[]
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Yeah, most STL implementations these days support a debug mode which bounds-checks even operator[], e.g. gcc.gnu.org/onlinedocs/libstdc++/manual/… so if your platform supports this, you're probably best off going with it!
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What is the reason for performing a double fork when creating a daemon?
...irst child is
a session leader without a controlling terminal, it's possible for
it to acquire one by opening a terminal in the future (System V-
based systems). This second fork guarantees that the child is no
longer a session leader, preventing the daemon from ever acquiri...
PHP & mySQL: Year 2038 Bug: What is it? How to solve it?
...one, so your application will have to know which timezone was used.
Other Possible solutions described on Wikipedia
Wait for MySQL devs to fix this bug reported over a decade ago.
Are there any possible alternatives to using it, which do not pose a similar problem?
Try wherever possible to use ...
Hand Coded GUI Versus Qt Designer GUI [closed]
...ou would then compile into your application. We started using for that purpose but with all generated code, once you edit it, you can no longer go back and regenerate it without losing your edits. We ended up just taking the generated code and doing everything by hand henceforth.
Qt4
Qt4 has impro...