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How can I run an external command asynchronously from Python?
...c` has finished with return code `retcode`
if retcode != 0:
"""Error handling."""
handle_results(proc.stdout)
The control flow there is a little bit convoluted because I'm trying to make it small -- you can refactor to your taste. :-)
This has the advantage of servicing the early-...
How to break out from a ruby block?
...reak(something) works but true && break(somehting) yields a syntax error. Just FYI. If condition is needed, then if or unless needs to be used.
– akostadinov
Oct 27 '16 at 15:53
...
Python memory leaks [closed]
...ug(mem_top())", while its explanation of results is the author's real life error tracking experience without context... that's not a technical specification that tells a dev exactly what they are looking at... I'm not knocking your answer... it shows high level suspects as billed... it doesn't gi...
What's the difference between isset() and array_key_exists()? [duplicate]
...lls if the expression (array) is defined, and the key is set
no warning or error if the var is not defined, not an array ...
but returns false if the value for that key is null
and array_key_exists
tells if a key exists in an array as the name implies
but gives a warning if the array parameter i...
Visual Studio opens the default browser instead of Internet Explorer
...nsion manager and I still find it very useful.
You will see the following error when starting VS:
The Default Browser Switcher beta bits have expired. Please use the
Extension Manager or visit the VS Gallery to download updated bits.
...
Two-dimensional array in Swift
...e that: arr[i][j]=myVar; but in swift when i try to do same way I got this error " '[([(Int)])].Type' does not have a member named 'subscript' "
– Antiokhos
Aug 5 '14 at 9:56
...
How to set the context path of a web application in Tomcat 7.0
...ext elements deploying for all other host ,for big apps it take connection errors also not good isolation for example you may access other sites by folder name domain2.com/domain1Folder !! also database session connections loaded twice !
the other way is put ROOT.xml file that has context tag with ...
How to create cron job using PHP?
... php-max-execution-time to be 0 in order to run this forever. Also if some error occurs in your script, it wont execute again until you restart it manually.
– Hassan Raza
Nov 19 '18 at 12:10
...
Android - How To Override the “Back” button so it doesn't Finish() my Activity?
...onSavedInstanceState and it wasn't working but I believe I have spotted my error now. Thanks
– Donal Rafferty
Jun 29 '10 at 16:11
5
...
How do I delete rows in a data frame?
...ode will now delete the wrong rows, and worse, you are unlikely to get any errors warning you that this has occurred.
Better strategy
A better strategy is to delete rows based on substantive and stable properties of the row. For example, if you had an id column variable that uniquely identifies ea...