大约有 12,000 项符合查询结果（耗时：0.0241秒） [XML]
How to concatenate strings in twig
...ou have to create a variable to hold the concatenated string. E.g.: {% set foo = 'http://' ~ app.request.host %}. And then you can do: {{ foo | trans }}.
– Alessandro Desantis
Jan 8 '12 at 17:58
...
Mocking Extension Methods with Moq
...cking normal method. Consider the following
public static string Echo(this Foo foo, string strValue)
{
return strValue;
}
To arrange and verify this method use the following:
string expected = "World";
var foo = new Foo();
Mock.Arrange(() => foo.Echo(Arg.IsAny<string>())).Returns(e...
Tools for making latex tables in R [closed]
... mat <- xtable(cleandata,digits=rep(2,ncol(cleandata)+1))
foo<-0:(length(mat$animal))
bar<-foo[!is.na(mat$animal)]
print(mat,
sanitize.text.function = function(x){x},
floating=FALSE,
include.rowname...
What does template mean?
...
// Factorial<4>::value == 24
// Factorial<0>::value == 1
void foo()
{
int x = Factorial<4>::value; // == 24
int y = Factorial<0>::value; // == 1
}
share
|
improve t...
Speed up the loop operation in R
...row(x)
}
}
system.time({
d=data.frame(seq=1:10000,r=rnorm(10000))
d$foo=d$r
d$seq=1:5
mark=NA
for(i in 1:nrow(d)){
if(d$seq[i]==1) mark=d$r[i]
d$foo[i]=mark
}
})
system.time({
d=data.frame(seq=1:10000,r=rnorm(10000))
d$foo=d$r
d$seq=1:5
d=as.list(d) #become a list
m...
Select elements by attribute in CSS
...
[data-value] {
/* Attribute exists */
}
[data-value="foo"] {
/* Attribute has this exact value */
}
[data-value*="foo"] {
/* Attribute value contains this value somewhere in it */
}
[data-value~="foo"] {
/* Attribute has this value in a space-separated list somewhere */...
Why was the arguments.callee.caller property deprecated in JavaScript?
...
It is better to use named functions than arguments.callee:
function foo () {
... foo() ...
}
is better than
function () {
... arguments.callee() ...
}
The named function will have access to its caller through the caller property:
function foo () {
alert(foo.caller);
...
Java: how to initialize String[]?
...
String[] errorSoon = { "foo", "bar" };
-- or --
String[] errorSoon = new String[2];
errorSoon[0] = "foo";
errorSoon[1] = "bar";
share
|
improve...
How to create dictionary and add key–value pairs dynamically?
... same:
// a simple constructor with a toString prototypal method
function Foo() {
this.myRandomNumber = Math.random() * 1000 | 0;
}
Foo.prototype.toString = function () {
return "Foo instance #" + this.myRandomNumber;
};
dict[new Foo] = "some value";
console.log(dict);
// => {
// "Fo...
How to set variables in HIVE scripts
...ution.
e.g.
hive> set CURRENT_DATE='2012-09-16';
hive> select * from foo where day >= ${hiveconf:CURRENT_DATE}
similarly, you could pass on command line:
% hive -hiveconf CURRENT_DATE='2012-09-16' -f test.hql
Note that there are env and system variables as well, so you can reference ${env...