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In Functional Programming, what is a functor?
...fmap even
is an overloaded function that can do many wonderful things:
Convert a list of integers to a list of Booleans
Convert a tree of integers to a tree of Booleans
Convert Nothing to Nothing and Just 7 to Just False
In Haskell, this property is expressed by giving the type of fmap:
fmap ...
How can I read a whole file into a string variable
...ror to be reported.
You will get a []byte instead of a string. It can be converted if really necessary:
s := string(buf)
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Exiting from python Command Line
... what you do on Windows (well, DOS) where you would do Ctrl-D on Unix-like systems.
– Karl Knechtel
Mar 16 '12 at 1:10
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Convert HH:MM:SS string to seconds only in javascript
I am having similar requirement as this: Convert time in HH:MM:SS format to seconds only?
13 Answers
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How to pass boolean values to a PowerShell script from a command prompt
...false'
f : Cannot process argument transformation on parameter 'b'. Cannot convert value
"System.String" to type "System.Boolean", parameters of this type only accept
booleans or numbers, use $true, $false, 1 or 0 instead.
At line:1 char:36
+ function f( [bool]$b ) { $b }; f -b <<<< '...
Can I query MongoDB ObjectId by date?
...ct and string input */
function objectIdWithTimestamp(timestamp) {
/* Convert string date to Date object (otherwise assume timestamp is a date) */
if (typeof(timestamp) == 'string') {
timestamp = new Date(timestamp);
}
/* Convert date object to hex seconds since Unix epoch ...
Pandas selecting by label sometimes return Series, sometimes returns DataFrame
...uld expect. I don't understand the design decision for single rows to get converted into a series - why not a data frame with one row?
– jobevers
Dec 4 '13 at 19:14
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Convert a JSON string to object in Java ME?
Is there a way in Java/J2ME to convert a string, such as:
14 Answers
14
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Convert JSON string to dict using Python
...
If you trust the data source, you can use eval to convert your string into a dictionary:
eval(your_json_format_string)
Example:
>>> x = "{'a' : 1, 'b' : True, 'c' : 'C'}"
>>> y = eval(x)
>>> print x
{'a' : 1, 'b' : True, 'c' : 'C'}
>>>...
What is the correct syntax for 'else if'?
...[2][0]("test")
except KeyError,e:
print "Invalid option: ",e
else:
sys.exit()
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