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Flatten an irregular list of lists
... your example a little easier to read and probably boost the performance.
Python 2
def flatten(l):
for el in l:
if isinstance(el, collections.Iterable) and not isinstance(el, basestring):
for sub in flatten(el):
yield sub
else:
yield el
...
How do I install the OpenSSL libraries on Ubuntu?
...s the right reference here: technologyskill.ga/install-openssl-manually-on-linux or howtoforge.com/tutorial/… libraries and header files are found under the same directory after installation: /usr/local/ssl
– MickaelT
Jan 22 '19 at 22:37
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What is the best way to ensure only one instance of a Bash script is running? [duplicate]
...ure only one instance of a given script is running - assuming it's Bash on Linux?
14 Answers
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Usage of sys.stdout.flush() method
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Python's standard out is buffered (meaning that it collects some of the data "written" to standard out before it writes it to the terminal). Calling sys.stdout.flush() forces it to "flush" the buffer, meaning that it will wri...
How to get a list of current open windows/process with Java?
...ication that does the job for you and then screenscraping the output (like Linux's ps and Window's tasklist).
Unfortunately, that'll mean you'll have to write some parsing routines to read the data from both.
Process proc = Runtime.getRuntime().exec ("tasklist.exe");
InputStream procOutput = proc...
How do I use Django templates without the rest of Django?
I want to use the Django template engine in my (Python) code, but I'm not building a Django-based web site. How do I use it without having a settings.py file (and others) and having to set the DJANGO_SETTINGS_MODULE environment variable?
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Django 1.7 - makemigrations not detecting changes
... need to do one pre-step (as I found out) listed in the documentation:
python manage.py makemigrations your_app_label
The documentation does not make it obvious that you need to add the app label to the command, as the first thing it tells you to do is python manage.py makemigrations which wil...
Get a list of all threads currently running in Java
...n that page.
That's to do it programmatically. If you just want a list on Linux at least you can just use this command:
kill -3 processid
and the VM will do a thread dump to stdout.
share
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impr...
sed beginner: changing all occurrences in a folder
...place on all the files in a folder (and its subfolders). What would be the linux shell command to do that?
9 Answers
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What do 'statically linked' and 'dynamically linked' mean?
...wn libraries with the install, even if they're dynamically linked. On many Linux systems with a package manager, many dynamically linked libraries ("shared objects") are actually shared between software.
– Paul Fisher
Nov 23 '08 at 4:57
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