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Difference between two DateTimes C#?
I need a function that can return the difference between the below two dates as 24.
6 Answers
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How do I get a human-readable file size in bytes abbreviation using .NET?
How do I get a human-readable file size in bytes abbreviation using .NET?
19 Answers
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Prepend a level to a pandas MultiIndex
...n even shorter way:
pd.concat({'Foo': df}, names=['Firstlevel'])
This can be generalized to many data frames, see the docs.
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Regular Expression to match string starting with “stop”
How do I create a regular expression to match a word at the beginning of a string. We are looking to match stop at the beginning of a string and anything can follow it.
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C# elegant way to check if a property's property is null
...#, say that you want to pull a value off of PropertyC in this example and ObjectA, PropertyA and PropertyB can all be null.
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Generate a Hash from string in Javascript
I need to convert strings to some form of hash. Is this possible in JavaScript?
22 Answers
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What does enumerate() mean?
What does for row_number, row in enumerate(cursor): do in Python?
5 Answers
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Does C have a “foreach” loop construct?
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C doesn't have a foreach, but macros are frequently used to emulate that:
#define for_each_item(item, list) \
for(T * item = list->head; item != NULL; item = item->next)
And can be used like
for_each_item(i, processes) {
i->wakeup...
Convert a string to regular expression ruby
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Looks like here you need the initial string to be in single quotes (refer this page)
>> str = '[\w\s]+'
=> "[\\w\\s]+"
>> Regexp.new str
=> /[\w\s]+/
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Order of member constructor and destructor calls
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In other words, are members guaranteed to be initialized by order of declaration and destroyed in reverse order?
Yes to both. See 12.6.2
6 Initialization shall proceed in the
following order:
First, and only for
the constructor of the most deriv...