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parseInt vs unary plus, when to use which?
...parseFloat parses and builds the string left to right. If they see an invalid character, it returns what has been parsed (if any) as a number, and NaN if none was parsed as a number.
The unary + on the other hand will return NaN if the entire string is non-convertible to a number.
parseInt('2a',10...
Difference between local and global indexes in DynamoDB
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be different from those on the table. A global secondary index is
considered "global" because queries on the index can span all of the
data in a table, across all partitions.
Local secondary index — an index that has the same hash key as the
table, but a different range key. A local ...
log4j configuration via JVM argument(s)?
...eating a config file. Inside your own custom Configurator class you could call BasicConfigurator(), or create your own Loggers and Appenders however you want. But I would much prefer a config file!
– skiphoppy
Aug 30 '12 at 16:34
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The server committed a protocol violation. Section=ResponseStatusLine ERROR
... This was also my problem, though it was tricky because it was the call AFTER the No Content response that was failing.
– mdickin
Dec 7 '16 at 1:46
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HintPath vs ReferencePath in Visual Studio
...der is as follows:
Files from the current project – indicated by ${CandidateAssemblyFiles}.
$(ReferencePath) property that comes from .user/targets file.
%(HintPath) metadata indicated by reference item.
Target framework directory.
Directories found in registry that uses AssemblyFoldersEx Regist...
Applicatives compose, monads don't
...t;- mb
if b then mt else mf
which uses the result of some effect to decide between two computations (e.g. launching missiles and signing an armistice), whereas
iffy :: Applicative a => a Bool -> a x -> a x -> a x
iffy ab at af = pure cond <*> ab <*> at <*> af where...
How to hash a string into 8 digits?
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Did you read the OP's question? He (or she) wanted (or needed) 8 decimal places. Also, the way hash tables work is to hash into a small search space (the sparse table). You seem to not know want hash functions are commonly ...
Convert a date format in PHP
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You can even call it again if you need to reverse the date format to its original form. Best answer indeed. :)
– Pedro Araujo Jorge
Mar 4 '14 at 15:17
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What's the scope of a variable initialized in an if statement?
...t in Python declaration is implicit, so when you assign to x it is automatically declared. It's because Python is dynamically typed - it wouldn't work in a statically typed language, because depending on the path used, a variable might be used without being declared. This would be caught at compile ...
How to have click event ONLY fire on parent DIV, not children?
...pointing to can change depending on the scope and context from where it is called
– eballeste
Jul 15 '19 at 19:38
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