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Disable assertions in Python
...e of code.
I demonstrate each.
For the whole process
Using the -O flag (capital O) disables all assert statements in a process.
For example:
$ python -Oc "assert False"
$ python -c "assert False"
Traceback (most recent call last):
File "<string>", line 1, in <module>
AssertionErr...
Ant task to run an Ant target only if a file exists?
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In case anyone wondered, the if and unless attributes only enable or disable the target to which they are attached, i.e. the target's dependencies are always executed. Otherwise it would not work to depend on a target that sets ...
Check if a string matches a regex in Bash script
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You can use the test construct, [[ ]], along with the regular expression match operator, =~, to check if a string matches a regex pattern.
For your specific case, you can write:
[[ $date =~ ^[0-9]{8}$ ]] && echo "yes"
Or...
How do I escape the wildcard/asterisk character in bash?
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Because the variables expand
– Daniel
Apr 30 '19 at 11:08
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Git file permissions on Windows
...got a repo on GitHub forked from another. Post merge, they should be identical. However:
6 Answers
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Remove leading or trailing spaces in an entire column of data
...ere may be something I'm doing wrong - TRIM appears to be eliminating duplicated spaces in the middle of my string. Is there a way to only trim off leading and trailing spaces?
– Shavais
Oct 16 '15 at 15:17
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Difference between solr and lucene
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2) Lucene is a powerful search engine framework that lets us add search capability to our application. It exposes an easy-to-use API while hiding all the search-related complex operations. Any application can use this library, not just Solr.
3) Solr is built around Lucene. It is not just an http...
Why can't I push to this bare repository?
Can you explain what is wrong with this workflow?
6 Answers
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How to resume Fragment from BackStack if exists
...s showing a blank window and need another press
to close it.
This is because the FragmentTransaction is being added to the back stack to ensure that we can pop the fragments on top later. A quick fix for this is overriding onBackPressed() and finishing the Activity if the back stack contains onl...
Java FileReader encoding issue
...ing links in code blocks makes it hard to copy and paste the code, if this can be changed, thx
– Ferrybig
Sep 26 '15 at 16:12
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