大约有 23,000 项符合查询结果（耗时：0.0185秒） [XML]
Create JSON-object the correct way
...work, I find the following approach more natural:
$obj = (object) [
'aString' => 'some string',
'anArray' => [ 1, 2, 3 ]
];
echo json_encode($obj);
share
|
improve this answer
...
How can I convert String to Int?
...lse, but for noobish people what 'out x' does is set the value of x to the string-cast-as-integer, if the casting is successful. I.e. in this case, x = 0 if the string has any non-integer characters, or x = value of string-as-integer otherwise. So the neat thing is this is one short expression which...
How to extract the first two characters of a string in shell scripting?
...sh shell (and you appear to be, based on your comments), is to use the sub-string variant of parameter expansion:
pax> long="USCAGol.blah.blah.blah"
pax> short="${long:0:2}" ; echo "${short}"
US
This will set short to be the first two characters of long. If long is shorter than two characte...
How can I reliably get an object's address when operator& is overloaded?
...long ) {
return reinterpret_cast<T*>(
&const_cast<char&>(reinterpret_cast<const volatile char &>(v)));
}
static inline T * f( T * v, int ) { return v; }
};
template<class T>
T * addressof( T & v ) {
return addressof_impl<T>::f( addr_i...
How to insert a character in a string at a certain position?
I'm getting in an int with a 6 digit value. I want to display it as a String with a decimal point (.) at 2 digits from the end of int . I wanted to use a float but was suggested to use String for a better display output (instead of 1234.5 will be 1234.50 ). Therefore, I need a function t...
Is it possible to view RabbitMQ message contents directly from the command line?
...operties":{},"routing_key":"abcxyz","payload":"foobar","payload_encoding":"string"}'
HTTP/1.1 200 OK
Server: MochiWeb/1.1 WebMachine/1.10.0 (never breaks eye contact)
Date: Wed, 10 Sep 2014 17:46:59 GMT
content-type: application/json
Content-Length: 15
Cache-Control: no-cache
{"routed":true}
Rabb...
Format output string, right alignment
...iliar with one of them, the new format seems easier to read. ".format" for string formatting certainly seems more intuitive than percentage/modulo. Right arrow for right alignment seems pretty intuitive too.
– Mark
May 28 '17 at 10:54
...
How do malloc() and free() work?
...
@Juergen But when free() read extra byte which contain information how much memory allocated from malloc, it get 4. Then how crash happened or how free() touch administrative data ?
– Undefined Behaviour
Aug 5 '16 at...
Split large string in n-size chunks in JavaScript
I would like to split a very large string (let's say, 10,000 characters) into N-size chunks.
22 Answers
...
How do you count the number of occurrences of a certain substring in a SQL varchar?
... comes to mind is to do it indirectly by replacing the comma with an empty string and comparing the lengths
Declare @string varchar(1000)
Set @string = 'a,b,c,d'
select len(@string) - len(replace(@string, ',', ''))
share
...