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Shell equality operators (=, ==, -eq)
...on:
$ [[ "0x10" -eq 16 ]]; echo $?
0
$ [[ "010" -eq 8 ]]; echo $?
0
$ [[ "100" -eq 100 ]]; echo $?
0
And 0 if Bash thinks it is just a string:
$ [[ "yes" -eq 0 ]]; echo $?
0
$ [[ "yes" -eq 1 ]]; echo $?
1
So [[ "yes" -eq "no" ]] is equivalent to [[ 0 -eq 0 ]]
Last note: Many of the Bash speci...
Scala: List[Future] to Future[List] disregarding failed futures
... Kevin WrightKevin Wright
48.2k88 gold badges100100 silver badges152152 bronze badges
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Git: what is a dangling commit/blob and where do they come from?
...
100
During the course of working with your git repository, you may end up backing out of operation...
Is there documentation for the Rails column types?
...
I can't be 100% sure, but I think Nate's resource was reposted here.
– jake
Aug 24 '17 at 0:02
...
In Matlab, when is it optimal to use bsxfun?
...put array.
Below you find the code I used for timing:
n = 300;
k=1; %# k=100 for the second graph
a = ones(10,1);
rr = zeros(n,1);
bb=zeros(n,1);
ntt=100;
tt=zeros(ntt,1);
for i=1:n;
r = rand(1,i*k);
for it=1:ntt;
tic,
x=bsxfun(@plus,a,r);
tt(it)=toc;
end;
bb(i)=media...
CSS :after not adding content to certain elements
...: 42px;
height: 24px;
border: 1px solid currentColor;
border-radius: 100px;
cursor: pointer;
transition: all 100ms;
background-size: 30%;
outline: none;
position: relative;
box-sizing: border-box;
background-color: #eee;
transition: background-color 200ms;
&::before {
...
Are memory leaks ever ok? [closed]
...
John, I 100% agree with you.. Imbum The question is almost, "how much do you accept". Sloppy is sloppy.. How about I leave a shrimp behind your monitor. stink is stink. Every time we cave, our industry caves a bit. If you know there'...
MFC学习总结 (90个技巧) dlg 上建立View - C/C++ - 清泛网 - 专注C++内核技术
...;
if (!m_wndSplitter.CreateView(0, 0, RUNTIME_CLASS(CLeftView),CSize(228,100), pContext) ||!m_wndSplitter.CreateView(0,1, RUNTIME_CLASS(CDataEditView), CSize(100, 100), pContext))
"{
""m_wndSplitter.DestroyWindow();
""return FALSE;
"}
"return TRUE;
}
[page]窗体最大化、...
Why are only a few video games written in Java? [closed]
... to spend time ironing out.
Finally, it's rare for games to be written in 100% C++ anyway - a lot is done using scripting languages, whether they're custom or just integrating an existing languages (Lua being one of the more popular ones these days).
As far as garbage collection is concerned, that...
How to generate the “create table” sql statement for an existing table in postgreSQL
...e_ddl||');';
RETURN v_table_ddl;
END;
$BODY$
LANGUAGE 'plpgsql' COST 100.0 SECURITY INVOKER;
Here is the function usage:
SELECT generate_create_table_statement('tablename');
And here is the drop statement if you don't want this function to persist permanently:
DROP FUNCTION generate_...