大约有 4,300 项符合查询结果(耗时:0.0188秒) [XML]
How can I parse a YAML file in Python
... andilabs
16.9k1111 gold badges9393 silver badges123123 bronze badges
answered Nov 21 '09 at 0:23
JonJon
53.5k2929 gold badges1...
Formatting Decimal places in R
...)
# [1] "1.20"
format(round(1, 2), nsmall = 2)
# [1] "1.00"
format(round(1.1234, 2), nsmall = 2)
# [1] "1.12"
A more general function is as follows where x is the number and k is the number of decimals to show. trimws removes any leading white space which can be useful if you have a vector of numb...
How can I post an array of string to ASP.NET MVC Controller without a form?
...
Craig StuntzCraig Stuntz
123k1212 gold badges244244 silver badges266266 bronze badges
...
Parse large JSON file in Nodejs
...lePath, {flags: 'r', encoding: 'utf-8'});
var buf = '';
stream.on('data', function(d) {
buf += d.toString(); // when data is read, stash it in a string buffer
pump(); // then process the buffer
});
function pump() {
var pos;
while ((pos = buf.indexOf('\n')) >= 0) { // keep goin...
How do I design a class in Python?
...no mutable data. What you have is derived data, created by transformation functions from the source dataset.
share
|
improve this answer
|
follow
|
...
Can I change a private readonly field in C# using reflection?
...afe void ForceSet()
{
fixed (int* ptr = &i) *ptr = 123;
}
static void Main(string[] args)
{
var program = new Program();
Console.WriteLine("Contructed Value: " + program.i);
program.ForceSet();
Console.W...
Returning first x items from array
...ou can tell which item comes before or after other items. But just for the fun of it, you can re-combine the keys with the values of the array (although there is still no defined order): array_combine(array_slice(array_keys($array), 0, 5), array_slice($array, 0, 5))
– knittl
...
submitting a GET form with query string params and hidden params disappear
...t/something also worked. I also could have used a node number (i.e. /node/123).
share
|
improve this answer
|
follow
|
...
How does Python manage int and long?
... a case where one is unsure to use int() or long().
>>> a = int("123")
>>> type(a)
<type 'int'>
>>> a = int("111111111111111111111111111111111111111111111111111")
>>> type(a)
<type 'long'>
...
Error installing mysql2: Failed to build gem native extension
...t be 127.0.0.1, and if the password is number, it must be put in quote ex '123456' otherwise we can type normally ex admin123
– duykhoa
Oct 30 '12 at 7:46
...