大约有 40,000 项符合查询结果（耗时：0.0570秒） [XML]
Is it possible to specify the schema when connecting to postgres with JDBC?
...ch) to use it:
http://archives.postgresql.org/pgsql-jdbc/2008-07/msg00012.php
http://jdbc.postgresql.org/
share
|
improve this answer
|
follow
|
...
How to slice an array in Bash
...tcut to get all elements of the array starting with specified index. For example "${A[@]:1}" would be the "tail" of the array, that is the array without its first element.
version=4.7.1
A=( ${version//\./ } )
echo "${A[@]}" # 4 7 1
B=( "${A[@]:1}" )
echo "${B[@]}" # 7 1
...
CSS selector with period in ID
... backslash (\) escaping like most languages. What do you know?
So in my example, the following rule would match:
#some\.id { color: #f00; }
share
|
improve this answer
|
fo...
How to list imported modules?
...full module name when you redefine the name of your imported module. For example if you do import numpy as np, this will return numpy while the other two suggestions will return np.
– joelostblom
Aug 9 '15 at 15:16
...
How to get a JavaScript object's class?
...f
instanceof
obj.constructor
func.prototype, proto.isPrototypeOf
A few examples:
function Foo() {}
var foo = new Foo();
typeof Foo; // == "function"
typeof foo; // == "object"
foo instanceof Foo; // == true
foo.constructor.name; // == "Foo"
Foo.name ...
总结const_cast、static_cast、dynamic_cast、reinterpret_cast - C/C++ - ...
...个类a是基类，b继承a，c和ab没有关系。
有一个函数void function(a&a);
现在有一个对象是b的实例b，一个c的实例c。
function(static_cast<a&>(b)可以通过而function(static<a&>(c))不能通过编译，因为在编译的时候编译器已经知道c和a的类型不...
How can I view live MySQL queries?
...SQL/MariaDB queries is to use debugger. On Linux you can use strace, for example:
sudo strace -e trace=read,write -s 2000 -fp $(pgrep -nf mysql) 2&gt;&amp;1
Since there are lot of escaped characters, you may format strace's output by piping (just add | between these two one-liners) above into th...
What is the result of % in Python?
...ch out if you are coming from a language with automatic type casting (like PHP or JS) where an expression like '12' % 2 + 3 is legal: in Python it will result in TypeError: not all arguments converted during string formatting which probably will be pretty confusing for you.
[update for Python 3]
Use...
How to get a file or blob from an object URL?
...
Using fetch for example like below:
fetch(&lt;"yoururl"&gt;, {
method: 'GET',
headers: {
'Content-Type': 'application/json',
'Authorization': 'Bearer ' + &lt;your access token if need&gt;
},
})
.then((resp...
Ruby on Rails Server options [closed]
... the right modules - can also serve dynamic web apps e.g. those written in PHP. Apache is more popular and has more features, Nginx is smaller and faster and has less features.
Neither Apache nor Nginx can serve Ruby web apps out-of-the-box, to do that you need to use Apache/Nginx in combination wi...