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JavaScript: empty array, [ ] evaluates to true in conditional structures. Why is this?
I was encountering a lot of bugs in my code because I expected this expression:
2 Answers
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How to get english language word database? [closed]
I need a database of every single valid word in English. I checked the /usr/share/dict/words file, it contains less than 100k words. Wikipedia says English has 475k words. Where do I get the complete list (American spelling)?
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Why isn't my Pandas 'apply' function referencing multiple columns working? [closed]
I have some problems with the Pandas apply function, when using multiple columns with the following dataframe
6 Answers
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How do I pull files from remote without overwriting local files?
I am trying to set up a new git repo to a pre-existing remote repo.
3 Answers
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Difference between validate(), revalidate() and invalidate() in Swing GUI
Swing components have multiple methods related to updates of screen layout, in particular:
2 Answers
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makefile:4: *** missing separator. Stop
...and cat -e -t -v makefile_name.
It shows the presence of tabs with ^I and line endings with $. Both are vital to ensure that dependencies end properly and tabs mark the action for the rules so that they are easily identifiable to the make utility.
Example:
Kaizen ~/so_test $ cat -e -t -v mk.t
all:...
Format / Suppress Scientific Notation from Python Pandas Aggregation Results
How can one modify the format for the output from a groupby operation in pandas that produces scientific notation for very large numbers?
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How to disable margin-collapsing?
Is there a way to disable margin-collapsing altogether? The only solutions I've found (by the name of "uncollapsing") entail using a 1px border or 1px padding. I find this unacceptable: the extraneous pixel complicates calculations for no good reason. Is there a more reasonable way to disable thi...
Rails: update_attribute vs update_attributes
Both of these will update an object without having to explicitly tell AR to update.
11 Answers
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Transaction isolation levels relation with locks on table
...A, B and C. A starts a transaction, writes data and commit/rollback (depending on results). B just executes a SELECT statement to read data. C reads and updates data. All these process work on the same table T.
READ UNCOMMITTED - no lock on the table. You can read data in the table while writing o...