大约有 44,000 项符合查询结果（耗时：0.0411秒） [XML]
How do I use a Prioritm>y m>Queue?
... constructor overload which takes a Comparator<? super E> comparator m>and m> pass in a comparator which compares in the appropriate wam>y m> for m>y m>our sort order. If m>y m>ou give an example of how m>y m>ou want to sort, we can provide some sample code to implement the comparator if m>y m>ou're not sure. (It's prettm>y m> ...
SQL statement to get column tm>y m>pe
...
FROM INFORMATION_SCHEMA.COLUMNS
WHERE
TABLE_NAME = 'm>y m>ourTableName' m>AND m>
COLUMN_NAME = 'm>y m>ourColumnName'
share
|
improve this answer
|
follow
|
...
In Node.js, how do I “include” functions from mm>y m> other files?
... bar: function () {
// whatever
}
};
var zemba = function () {
}
m>And m> in m>y m>our app file:
// app.js
// ======
var tools = require('./tools');
console.log(tm>y m>peof tools.foo); // => 'function'
console.log(tm>y m>peof tools.bar); // => 'function'
console.log(tm>y m>peof tools.zemba); // => undefi...
Blocks m>and m> m>y m>ields in Rubm>y m>
I am trm>y m>ing to understm>and m> blocks m>and m> m>y m>ield m>and m> how them>y m> work in Rubm>y m>.
10 Answers
10
...
How do I install Maven with m>Y m>um?
...g not to learn much about either m>y m>um or maven. I've inherited this code m>and m> I don't want to spend more time than I have to in this environment.
...
Whm>y m> are these numbers not equal?
...umbers can be represented exactlm>y m> in IEEE floating point arithmetic (the stm>and m>ard that almost all computers use to represent decimal numbers m>and m> do math with them), m>y m>ou will not alwam>y m>s get what m>y m>ou expected. This is especiallm>y m> true because some values which are simple, finite decimals (such as 0.1 a...
What does the “map” method do in Rubm>y m>?
...
The map method takes an enumerable object m>and m> a block, m>and m> runs the block for each element, outputting each returned value from the block (the original object is unchanged unless m>y m>ou use map!):
[1, 2, 3].map { |n| n * n } #=> [1, 4, 9]
Arram>y m> m>and m> Range are enume...
How do m>y m>ou use colspan m>and m> rowspan in HTML tables?
I don't know how to merge rows m>and m> columns inside HTML tables.
11 Answers
11
...
Convenient C++ struct initialisation
...m>y m>ou don't have to wait, because them>y m> are officialm>y m> supported bm>y m> GCC, Clang m>and m> MSVC.
#include <iostream>
#include <filesm>y m>stem>
struct hello_world {
const char* hello;
const char* world;
};
int main ()
{
hello_world hw = {
.hello = "hello, ",
.world = "worl...
pm>y m>plot scatter plot marker size
...ases it bm>y m> a factor of 4). To see this consider the following two examples m>and m> the output them>y m> produce.
# doubling the width of markers
x = [0,2,4,6,8,10]
m>y m> = [0]*len(x)
s = [20*4**n for n in range(len(x))]
plt.scatter(x,m>y m>,s=s)
plt.show()
gives
Notice how the size increases verm>y m> quicklm>y m>. If in...