大约有 30,000 项符合查询结果(耗时:0.0417秒) [XML]
What is the difference between require_relative and require in Ruby?
...relative:
VALUE rb_f_require_relative(VALUE obj, VALUE fname) {
VALUE base = rb_current_realfilepath();
if (NIL_P(base)) {
rb_loaderror("cannot infer basepath");
}
base = rb_file_dirname(base);
return rb_require_safe(rb_file_absolute_path(fname, base), rb_safe_level());
...
What is the best data type to use for money in C#?
... make Currency a class so I can define an exchange rate (in relation to a "base currency", often the US dollar [which I set to have an exchange rate of 1.00]).
– Thomas Owens
Mar 28 '09 at 20:25
...
使用std::string作为std::map的key出错解决 - C/C++ - 清泛网 - 专注C/C++及内核技术
...ef(180): error C2784: “bool std::operator <(const std::_Revranit<_RanIt,_Base> &,const std::_Revranit<_RanIt2,_Base2> &)”: 未能从“const std::string”为“const std::_Revranit<_RanIt,_Base> &”推导 模板 参数
1> c:\program files (x86)\microsoft visual studio 11.0\vc\include...
Concept behind these four lines of tricky C code
...The number 7709179928849219.0 has the following binary representation as a 64-bit double:
01000011 00111011 01100011 01110101 01010011 00101011 00101011 01000011
+^^^^^^^ ^^^^---- -------- -------- -------- -------- -------- --------
+ shows the position of the sign; ^ of the exponent, and - of t...
JavaScript data grid for millions of rows [closed]
...ibman/SlickGrid
DataTables http://www.datatables.net/index
ShieldUI http://demos.shieldui.com/web/grid-virtualization/performance-1mil-rows
My best 3 options are jqGrid, jqxGrid and DataTables. They can work with thousands of rows and support virtualization.
...
How to format numbers? [duplicate]
...umber of decimal places?" />
I'll update with an in-page snippet demo shortly, but for now here is a fiddle:
https://jsfiddle.net/bv2ort0a/2/
Old Method
Why use RegExp for this? — don't use a hammer when a toothpick will do i.e. use string manipulation:
var formatThousands = functi...
How can I use an http proxy with node.js http.Client?
...'
const auth = 'Basic ' + Buffer.from(username + ':' + password).toString('base64')
http.request({
host: '255.255.255.255', // IP address of proxy server
port: 99999, // port of proxy server
method: 'CONNECT',
path: 'kinopoisk.ru:443', // some destination, add 443 port for https!
headers:...
Proper way to declare custom exceptions in modern Python?
...r(Exception):
def __init__(self, message, errors):
# Call the base class constructor with the parameters it needs
super(ValidationError, self).__init__(message)
# Now for your custom code...
self.errors = errors
That way you could pass dict of error messages t...
What is the most pythonic way to check if an object is a number?
...re multiplying a vector by X. In this case you want to do different things based on what X is. (It might act as something that multiplies, but the result might be nonsensical.)
– Evgeni Sergeev
May 2 '15 at 5:34
...
How to install psycopg2 with “pip” on Python?
...
Worked on AWS EC2, with RHEL-based 64bit Amazon Linux/2.5.1
– Ben Wheeler
Sep 8 '17 at 19:33
...