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How to retry after exception?
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Do a while True inside your for loop, put your try code inside, and break from that while loop only when your code succeeds.
for i in range(0,100):
while True:
try:
# do stuff
except SomeSpecificException:
continue
break
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How do you redirect HTTPS to HTTP?
...e). Nothing needs to be changed it will dynamically use the same host name and url path.
– Darren Felton
Jan 31 '13 at 19:53
1
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Regular Expression to reformat a US phone number in Javascript
...ing to think how to match all possible cases--you eliminate the irrelevant and see if there's a match. Very nice.
– Jkleg
Jan 18 '14 at 19:58
2
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Sharing src/test classes between modules in a multi-module maven project
...ensure your Data project contains all the test code that you wish to share and configure the POM to produce a test JAR:
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-jar-plugin</artifactId>
<version>2.2</version>
<executi...
Convert string date to timestamp in Python
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this is a fantastic suggestion. i just used it and shaved TONS of time off of my execution.
– David
Aug 4 '15 at 17:23
3
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How to gzip all files in all sub-directories into one compressed file in bash
...le to specify the output filename for the compressed file (e.g., files.gz) and overwrite the old compressed file file if one already exists.
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Scala how can I count the number of occurrences in a list
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I had the same problem as Sharath Prabhal, and I got another (to me clearer) solution :
val s = Seq("apple", "oranges", "apple", "banana", "apple", "oranges", "oranges")
s.groupBy(l => l).map(t => (t._1, t._2.length))
With as result :
Map(banana -> 1, ora...
How to loop through a HashMap in JSP?
...ctice. I recommend to install JSTL (just drop the JAR file in /WEB-INF/lib and declare the needed taglibs in top of JSP). It has a <c:forEach> tag which can iterate over among others Maps. Every iteration will give you a Map.Entry back which in turn has getKey() and getValue() methods.
Here's ...
How do you iterate through every file/directory recursively in standard C++?
How do you iterate through every file/directory recursively in standard C++?
16 Answers
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ipython: print complete history (not just current session)
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First use %hist -o -g -f ipython_history.md to output the history (input and output) to a text file. (http://ipython.readthedocs.io/en/stable/interactive/magics.html#magic-history)
Then you can use the the get_session_info function to retreive the date and time for the session you are interested ...