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Calling a function of a module by using its name (a string)
What is the best way to go about calling a function given a string with the function's name in a Python program. For example, let's say that I have a module foo , and I have a string whose content is "bar" . What is the best way to call foo.bar() ?
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Checking if output of a command contains a certain string in a shell script
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@VitalyZdanevich, for one, testing $? doesn't set the preceding commands as "checked" for purposes of set -e or the ERR trap, so your program can exit in cases where you want it to simply return down the intentionally-false path later. For another, $? is volatile global ...
How to replace an entire line in a text file by line number
...oes not seem to work. If you guys have problems with sed and its delimiter setting capabilities you may want to have a look at this: grymoire.com/Unix/Sed.html#uh-2 It says the first character behind the s determines the delimiter. So to change your command to use for example the # it would be like...
Catch a thread's exception in the caller thread in Python
...vement I'd suggest is using six.raise_from() so that you get a nice nested set of stack traces, instead of just the stack for the site of the reraise.
– aggieNick02
Oct 7 '19 at 19:35
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Converting a list to a set changes element order
Recently I noticed that when I am converting a list to set the order of elements is changed and is sorted by character.
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(Mac) -bash: __git_ps1: command not found
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You've installed the version of git-completion.bash from master - in git's development history this is after a commit that split out the __git_ps1 function from the completion functionality into a new file (git-prompt.sh). The commit that introduced this...
How can I match multiple occurrences with a regex in JavaScript similar to PHP's preg_match_all()?
... is mention that the exec() method will continue to return the next result set if called more than once. Thanks again for the great tip!
– Adam Franco
Feb 6 '09 at 16:44
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pandas: filter rows of DataFrame with operator chaining
... b". Note that the following are valid: df.query('a in list([1,2])'), s = set([1,2]); df.query('a in @s').
– user3780389
Nov 15 '16 at 16:14
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Best cross-browser method to capture CTRL+S with JQuery?
My users would like to be able to hit Ctrl + S to save a form. Is there a good cross-browser way of capturing the Ctrl + S key combination and submit my form?
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python: how to send mail with TO, CC and BCC?
...oaddr] + cc + bcc
server = smtplib.SMTP('smtp.sunnydale.k12.ca.us')
server.set_debuglevel(1)
server.sendmail(fromaddr, toaddrs, message)
server.quit()
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