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Regular expression for floating point numbers
... most languages consider valid numbers (integer and floats):
'5' / '-5'
'1.0' / '1.' / '.1' / '-1.' / '-.1'
'0.45326e+04', '666999e-05', '0.2e-3', '-33.e-1'
Notes:
preceding sign of number ('-' or '+') is optional
'-1.' and '-.1' are valid but '.' and '-.' are invalid
'.1e3' is valid, but '.e3...
XmlSerializer: remove unnecessary xsi and xsd namespaces
... }
}
}
}
To get the following XML:
<?xml version="1.0"?>
<Person xmlns="http://www.something.org/schema">
<FirstName>Donald</FirstName>
<LastName>Duck</LastName>
</Person>
If you don't want the namespace, just set DEFAULT_NAMESPAC...
Converting a JS object to an array using jQuery
...ed Sep 22 '16 at 18:00
Jean-François Beauchamp
4,72088 gold badges3636 silver badges7272 bronze badges
answered Oct 2 '14 at 17:33
...
Delete everything in a MongoDB database
I'm doing development on MongoDB. For totally non-evil purposes, I sometimes want to blow away everything in a database—that is, to delete every single collection, and whatever else might be lying around, and start from scratch. Is there a single line of code that will let me do this? Bonus points...
Why doesn't RecyclerView have onItemClickListener()?
... / Java
Create a file values/ids.xml and put this in it:
<?xml version="1.0" encoding="utf-8"?>
<resources>
<item name="item_click_support" type="id" />
</resources>
then add the code below to your source
Kotlin
Usage:
recyclerView.onItemClick { recyclerView, position, v...
What's the difference between --general-numeric-sort and --numeric-sort options in gnu sort
...ws
floating point numbers to be specified
in scientific notation, like 1.0e-34
and 10e100. The LC_NUMERIC locale
determines the decimal-point
character. Do not report overflow,
underflow, or conversion errors. Use
the following collating sequence:
Lines that do not start with number...
How to read a .xlsx file using the pandas Library in iPython?
... for sheet_name in xl_file.sheet_names}
Update: In pandas version 0.21.0+ you will get this behavior more cleanly by passing sheet_name=None to read_excel:
dfs = pd.read_excel(file_name, sheet_name=None)
In 0.20 and prior, this was sheetname rather than sheet_name (this is now deprecated ...
open() in Python does not create a file if it doesn't exist
...le doesn't exist, append mode creates it.
– Jean-François Fabre♦
Oct 22 '19 at 11:49
add a comment
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...
Rolling median algorithm in C
...alue incrementally:
quantile += eta * (sgn(sample - quantile) + 2.0 * p - 1.0)
The value p should be within [0, 1]. This essentially shifts the sgn() function's symmetrical output {-1, 0, 1} to lean toward one side, partitioning the data samples into two unequally-sized bins (fractions p and 1 - ...
Is gcc std::unordered_map implementation slow? If so - why?
... + finish.tms_stime - start.tms_stime)
/ (1.0 * ticks_per_second))
<< " " << m << std::endl;
}
I used a SIZE of 10000000, and had to change things a bit for my version of boost. Also note, I pre-sized the hash table to match SIZE/DEP...