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How to deal with SettingWithCopyWarning in Pandas?
...for false positives is addressed in the docs on indexing, if you'd like to read further. You can safely disable this new warning with the following assignment.
import pandas as pd
pd.options.mode.chained_assignment = None # default='warn'
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What does threadsafe mean?
Recently I tried to Access a textbox from a thread (other than the UI thread) and an exception was thrown. It said something about the "code not being thread safe" and so I ended up writing a delegate (sample from MSDN helped) and calling it instead.
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When to use ref and when it is not necessary in C#
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Short answer: read my article on argument passing.
Long answer: when a reference type parameter is passed by value, only the reference is passed, not a copy of the object. This is like passing a pointer (by value) in C or C++. Changes to ...
How to secure database passwords in PHP?
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Several people misread this as a question about how to store passwords in a database. That is wrong. It is about how to store the password that lets you get to the database.
The usual solution is to move the password out of source-code into...
Is LINQ to SQL Dead or Alive?
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1) They can't "kill" Linq-to-SQL as it is already part of the .net framework. What they can do is stop adding features to it. That doesn't prevent the thousands of developers out there that are already using L2S from extending it and improving it. Some core areas are t...
converting Java bitmap to byte array
...hout the compression the size difference is dramatic. For theory you could read wikipedia, but for example in my case the compressed result (as per the 1st answer) is 20 MB, the other one (this answer) is 48 MB
– Kirill Starostin
May 21 at 15:33
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Is List a subclass of List? Why are Java generics not implicitly polymorphic?
... of dogs. A list of dogs is only a list of animals if you consider it in a read-only sense.
– Jon Skeet
Jan 28 '13 at 19:33
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Format output string, right alignment
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Note how the "old" syntax is cleaner, easier to read, and shorter.
– fyngyrz
Dec 13 '15 at 18:01
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What is a “thread” (really)?
...n trying to find a good definition, and get an understanding, of what a thread really is.
10 Answers
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Alternate FizzBuzz Questions [closed]
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I've been reading you answer for a while and could,'t figure out what was going on, why didn't I like it, the thing is your questions are not fun to code :) (which is ok since this were intended for interviews). There is no real point ...