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Should it be “Arrange-Assert-Act-Assert”?
... recommended).
Normally, I don't use this pattern myself, since I find it more correct to write a specific test that validates whatever precondition I feel the need to ensure. Such a test should always fail if the precondition fails, and this means that I don't need it embedded in all the other tes...
Why does Java allow us to compile a class with a name different than the file name?
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The rationale is to allow more than one top-level class per .java file.
Many classes—such as event listeners—are of local use only and the earliest versions of Java did not support nested classes. Without this relaxation of the "filename = class ...
How can I find non-ASCII characters in MySQL?
...i and non-ascii characters. The answer below from zende checks for one or more non-ascii characters. This helped me for the most part SELECT * FROM tbl WHERE colname NOT REGEXP '^[A-Za-z0-9\.,@&\(\) \-]*$';
– Frank Forte
Oct 16 '15 at 21:00
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Storing sex (gender) in database
...nly supports two possible genders which is inadequate. While INT supports more than two options, it takes 4 bytes -- performance will be better with a smaller/more narrow data type.
CHAR(1) has the edge over TinyINT - both take the same number of bytes, but CHAR provides a more narrow number of ...
Renaming files in a folder to sequential numbers
...ncluded in the answer and note should be rewritten accordingly. that'll be more safe. :(
– KrIsHnA
Apr 7 '17 at 6:11
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Mutable vs immutable objects
...e able to look at a piece of code and easily understand what it does. But more important than that, you should be able to convince yourself that it does what it does correctly. When objects can change independently across different code "domains", it sometimes becomes difficult to keep track of wh...
How do I concatenate two lists in Python?
... it does change list3. However, if that isn't a problem, it's simpler more readable to add the two lists instead of creating a new one.
– rickcnagy
Feb 20 '14 at 18:55
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What is the difference between Normalize.css and Reset CSS?
...up or sub "just work" after including normalize.css (and are actually made more robust) whereas they are visually indistinguishable from normal text after including reset.css. So, normalize.css does not impose a visual starting point (homogeny) upon you. This may not be to everyone's taste. The best...
How to recursively download a folder via FTP on Linux [closed]
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Add SUM of values of two LISTS into new LIST
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I think it's more useful than other answer cuz you can do useful stuff like take average or give different weight to each elements in the array and combine them
– seokhoonlee
Mar 23 '16 at 17:29
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