大约有 12,000 项符合查询结果（耗时：0.0245秒） [XML]
Reflection - get attribute name and value on property
... Program
{
static void Main()
{
PropertyInfo prop = typeof(Foo).GetProperty("Bar");
var vals = GetPropertyAttributes(prop);
// has: DisplayName = "abc", Browsable = false
}
public static Dictionary<string, object> GetPropertyAttributes(PropertyInfo prope...
What's the difference between array_merge and array + array?
...vs-plus-aka-union/
Stop using array_merge($defaults, $options):
function foo(array $options)
{
$options += ['foo' => 'bar'];
// ...
}
Note: array_replace function exists since PHP5.3.
share
|
...
How to check whether a string contains a substring in Ruby
...returns the index of the character where the match happens. For example:
"foobar" =~ /bar/ # returns 3
"foobar" =~ /foo/ # returns 0
"foobar" =~ /zzz/ # returns nil
It's important to note that in Ruby only nil and the boolean expression false evaluate to false. Everything else, including an em...
How to set DOM element as the first child?
...alue will be added as a text element.
Examples:
parent.prepend(newChild, "foo") // [newChild, "foo", child1, child2]
const list = ["bar", newChild]
parent.append(...list, "fizz") // [child1, child2, "bar", newChild, "fizz"]
Related DOM methods
Read More - child.before and child.after
Read M...
How to execute shell command in Javascript
...l as an example, prerequisites are:
nodejs with npm
babel
Your example foo.js file may look like:
import { exec } from 'child_process';
/**
* Execute simple shell command (async wrapper).
* @param {String} cmd
* @return {Object} { stdout: String, stderr: String }
*/
async function sh(cmd) ...
Is it good practice to make the constructor throw an exception? [duplicate]
...ded.
The reason for this is that you cannot do this :
private SomeObject foo = new SomeObject();
Instead you must do this :
private SomeObject foo;
public MyObject() {
try {
foo = new SomeObject()
} Catch(PointlessCheckedException e) {
throw new RuntimeException("ahhg",e)...
A generic list of anonymous class
...n add to it using your generic type:
emptyList.Add(new { Id = 1, Name = "foo" });
emptyList.Add(new { Id = 2, Name = "bar" });
As an alternative, you can do something like below to create the empty list (But, I prefer the first example because you can use it for a populated collection of Tuples...
Undefined reference to `sin` [duplicate]
...
You need to link with the math library, libm:
$ gcc -Wall foo.c -o foo -lm
share
|
improve this answer
|
follow
|
...
How to add leading zeros for for-loop in shell? [duplicate]
...hing prevents you from putting its result in a variable for further use:
$ foo=$(printf "%02d" 5)
$ echo "${foo}"
05
share
|
improve this answer
|
follow
|
...
In what cases will HTTP_REFERER be empty
...e referer will be empty or "-" in the web server logs.
<a href="http://foo.com/foo" download="bar">click to download</a>
Is broken in Chrome - no referer sent.
share
|
improve this an...