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finding and replacing elements in a list
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This is a bad and very un-pythonic solution. Consider using list comprehension.
– AdHominem
Dec 31 '16 at 11:56
233
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What is the difference between procedural programming and functional programming? [closed]
...hat manipulates the state of shared variables and doesn't return a value). Python would be more functional than C because it allows you to express conditional logic as an expression using short circuit evaluation (test && path1 || path2 as opposed to if statements). Scheme would be more func...
What rules does Pandas use to generate a view vs a copy?
...as this is faster and will always work
The chained indexing is 2 separate python operations and thus cannot be reliably intercepted by pandas (you will oftentimes get a SettingWithCopyWarning, but that is not 100% detectable either). The dev docs, which you pointed, offer a much more full explanati...
Why are regular expressions so controversial? [closed]
...t's why you have to carefully tune your regular expressions in Perl, Java, Python, Ruby… Old-style regular expression engines (in grep, for example) first compile the pattern to a DFA. Afterwards, the complexity of the pattern is largely irrelevant. I just used Java and grep for the same text and ...
WebSockets protocol vs HTTP
...che-Control: no-cache
Pragma: no-cache
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.17 (KHTML, like Gecko) Chrome/24.0.1312.68 Safari/537.17
Accept-Encoding: gzip,deflate,sdch
Accept-Language: en-US,en;q=0.8
Accep...
The superclass “javax.servlet.http.HttpServlet” was not found on the Java Build Path [duplicate]
...er.
For a Maven project:
Make sure, you have the dependency added in POM.xml.
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>javax.servlet-api</artifactId>
<version>3.1.0</version>
<scope>provided</scope>
</dependency>...
Excluding directories in os.walk
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This is not really bad but not idiomatic Python either in my opinion.
– Torsten Bronger
Dec 16 '16 at 6:07
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Remove an onclick listener
...se) if you don't want your view to be clickable. For example, if you use a xml drawable for the background, which shows different colours for different states, if your view is still clickable, users can click on it and the different background colour will show, which may look weird.
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How do you suppress output in IPython Notebook?
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Note this only works for Python kernels (e.g. not R).
– Max Ghenis
Feb 20 at 5:47
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Showing a Spring transaction in log
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in your log4j.properties (for alternative loggers, or log4j's xml format, check the docs)
Depending on your transaction manager, you can set the logging level of the spring framework so that it gives you more info about transactions. For example, in case of using JpaTransactionManager,...