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Is there an AddRange equivalent for a HashSet in C#
...dicate the distinct way the HashSet works. You cannot safely Add a set of random elements to it like in Collections, some elements may naturally evaporate.
I think that UnionWith takes its name after "merging with another HashSet", however, there's an overload for IEnumerable<T> too.
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Scroll to bottom of Div on page load (jQuery)
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Well done! I was looking for a snippet to scroll and all I could find it page scrolling (html, body). This is a great solution and using scrollHeight is a great way to make sure it always reaches the bottom.
– Kevin Marmet
Jul 15 '19 a...
Twitter Bootstrap - how to center elements horizontally or vertically
...ike:
class="text-center"
class="pagination-centered"
thanks to @Henning and @trejder
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C++ lambda with captures as a function pointer
I was playing with C++ lambdas and their implicit conversion to function pointers. My starting example was using them as callback for the ftw function. This works as expected.
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Evaluating string “3*(4+2)” yield int 18 [duplicate]
...NET framework that can evaluate a numeric expression contained in a string and return the result? F.e.:
14 Answers
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Ruby: extend self
In Ruby, I understand the basic idea of extend . However, what's happening in this segment of code? Specifically, what does extend do? Is it just a convenient way of making the instance methods into class methods? Why would you do it this way rather than specifying class methods from the beginnin...
How to output loop.counter in python jinja template?
...hat the reference to this I could not find on their website, while counter and counter0 are documented but not present in the version I installed yesterday.
– njzk2
Jan 15 '14 at 16:04
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How to convert a string to lower case in Bash?
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The are various ways:
POSIX standard
tr
$ echo "$a" | tr '[:upper:]' '[:lower:]'
hi all
AWK
$ echo "$a" | awk '{print tolower($0)}'
hi all
Non-POSIX
You may run into portability issues with the following examples:
Bash 4.0
$ echo "${a,,}"
hi all...
Using NSPredicate to filter an NSArray based on NSDictionary keys
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I know it's old news but to add my two cents. By default I use the commands LIKE[cd] rather than just [c]. The [d] compares letters with accent symbols. This works especially well in my Warcraft App where people spell their name "Vòódòó" making it nearly impossible to search for their name i...
How can I see the specific value of the sql_mode?
...RACLE,NO_KEY_OPTIONS,NO_TABLE_OPTIONS,NO_FIELD_OPTIONS,NO_AUTO_CREATE_USER and etc are not set? Or do you mean that some of them are set but simply not shown by default?
– Pacerier
Apr 22 '16 at 3:44
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