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How do I sort an observable collection?
...;T> sorted = collection.OrderBy(x => x).ToList();
int ptr = 0;
while (ptr < sorted.Count - 1)
{
if (!collection[ptr].Equals(sorted[ptr]))
{
int idx = search(collection, ptr+1, sorted[ptr]);
collection.Move(idx,...
Coalesce function for PHP?
...sce function (returns the first non-NULL value, example ). PHP, sadly in 2009, does not.
9 Answers
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How to Customize a Progress Bar In Android
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306
Customizing a ProgressBar requires defining the attribute or properties for the background and ...
I need an unordered list without any bullets
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3750
You can remove bullets by setting the list-style-type to none on the CSS for the parent element ...
Display / print all rows of a tibble (tbl_df)
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You could also use
print(tbl_df(df), n=40)
or with the help of the pipe operator
df %>% tbl_df %>% print(n=40)
To print all rows specify tbl_df %>% print(n = Inf)
share
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Most efficient way to determine if a Lua table is empty (contains no entries)?
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Your code is efficient but wrong. (Consider {[false]=0}.) The correct code is
if next(myTable) == nil then
-- myTable is empty
end
For maximum efficiency you'll want to bind next to a local variable, e.g.,
...
local next = next
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... if next(...) ...
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Find out if ListView is scrolled to the bottom?
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edited Aug 30 '16 at 14:01
Alex Karshin
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How to get a list of all valid IP addresses in a local network? [closed]
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410
Install nmap,
sudo apt-get install nmap
then
nmap -sP 192.168.1.*
or more commonly
nmap -...
error LNK2019: 无法解析的外部符号_socket，该符号在函数 中被引用 - C/C+...
error LNK2019: 无法解析的外部符号_socket，该符号在函数 中被引用1>NetClient.obj : error LNK2019: 无法解析的外部符号 _closesocket@4，该符号在函数 _main 中被引用1>NetClient.obj : error L...1>NetClient.obj : error LNK2019: 无法解析的外部符号 _closesocket@...
What is &&& operation in C
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Luchian GrigoreLuchian Grigore
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