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using data-* attribute with thymeleaf
...n I prefer, if I want to use json as the value, instead of:
th:attr="data-foobar='{"foo&quot:'+${bar}+'}'"
You can use (in combination with literal substitution):
th:data-foobar='|{"foo":${bar}}|'
Update: If you don't like the th namespace, you can also use HTML5 friendly attribut...
Differences in string compare methods in C#
...on is the following will throw an exception:
string a = null;
string b = "foo";
bool equal = a.Equals(b);
And the following will not:
string a = null;
string b = "foo";
bool equal = a == b;
share
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Why is jquery's .ajax() method not sending my session cookie?
...s: Access-Control-Allow-Origin: *
So when the request is:
Origin: http://foo.example
Cookie: pageAccess=2
Server should respond with:
Access-Control-Allow-Origin: http://foo.example
Access-Control-Allow-Credentials: true
[payload]
Otherwise payload won't be returned to script. See: https://d...
Find files containing a given text
...rkowski This way fastest more than 5 or 8 times # egrep -ir --include=file.foo "(foo|bar)" /dir on ~500Gb weigth directory.
– Qh0stM4N
Jan 24 '18 at 13:55
...
How do I retrieve an HTML element's actual width and height?
...y belong to the element, not .style.
var width = document.getElementById('foo').offsetWidth;
Function .getBoundingClientRect() returns dimensions and location of element as floating-point numbers after performing CSS transforms.
> console.log(document.getElementById('id').getBoundingClientRect...
Group by multiple columns in dplyr, using string vector input
...ot the character versions of the names, but how you would refer to them in foo$bar; bar is not quoted here. Or how you'd refer to variables in a formula: foo ~ bar.
@Arun also mentions that you can do:
df %.%
group_by("asdfgfTgdsx", "asdfk30v0ja") %.%
summarise(Value = mean(value))
But y...
How can I force clients to refresh JavaScript files?
...ecified, as it simply looks at the full file name without interpreting it. foo.js?1 is not the same name as foo.js?2, so the browser will think they are two different files. One downside is that both files will simultaneously exist in the users' cache, taking up unnecessary space.
...
How to throw an exception in C?
...clude <stdint.h>
#include <cstdio>
extern "C" int bar1();
void foo()
{
try{
bar1();
}catch(int64_t x){
printf("good %ld",x);
}
}
int main(int argc, char *argv[])
{
foo();
return 0;
}
to compile it
gcc -o bar.o -c bar.c && g++ a.cc bar.o && ./a.out
o...
Case insensitive string compare in LINQ-to-SQL
...ct.
For example this LINQ query:
from user in Users
where user.Email == "foo@bar.com"
select user
gets translated to the following SQL by the LINQ-to-SQL provider:
SELECT [t0].[Email]
FROM [User] AS [t0]
WHERE [t0].[Email] = @p0
-- note that "@p0" is defined as nvarchar(11)
-- and is passed my ...
Side-by-side plots with ggplot2
...ect to a file, specify a device driver (such as pdf, png, etc), e.g.
pdf("foo.pdf")
grid.arrange(plot1, plot2)
dev.off()
or, use arrangeGrob() in combination with ggsave(),
ggsave("foo.pdf", arrangeGrob(plot1, plot2))
This is the equivalent of making two distinct plots using par(mfrow = c(1,2)...