大约有 22,000 项符合查询结果(耗时:0.0339秒) [XML]
MVC (Laravel) where to add logic
...extends Controller
{
/**
* Creates a new post.
*
* @return string
*/
public function store(PostRequest $request)
{
if ($request->persist(new Post())) {
flash()->success('Successfully created new post!');
} else {
flash()->e...
Read and parse a Json File in C#
...{
using (StreamReader r = new StreamReader("file.json"))
{
string json = r.ReadToEnd();
List<Item> items = JsonConvert.DeserializeObject<List<Item>>(json);
}
}
public class Item
{
public int millis;
public string stamp;
public DateTime datet...
Why does C++11 not support designated initializer lists as C99? [closed]
...urmountable problems with this approach; given:
struct X {
int c;
char a;
float b;
};
What order would these functions be called in in c99: struct X foo = {.a = (char)f(), .b = g(), .c = h()}? Surprisingly, in c99:
The order of evaluation of the subexpressions in any initializer i...
Generate random 5 characters string
I want to create exact 5 random characters string with least possibility of getting duplicated. What would be the best way to do it? Thanks.
...
What is simplest way to read a file into String? [duplicate]
I am trying to read a simple text file into a String. Of course there is the usual way of getting the input stream and iterating with readLine() and reading contents into String.
...
A quick and easy way to join array elements with a separator (the opposite of split) in Java [duplic
...
Using Java 8 you can do this in a very clean way:
String.join(delimiter, elements);
This works in three ways:
1) directly specifying the elements
String joined1 = String.join(",", "a", "b", "c");
2) using arrays
String[] array = new String[] { "a", "b", "c" };
String ...
How to get current moment in ISO 8601 format with date, hour, and minute?
...'"); // Quoted "Z" to indicate UTC, no timezone offset
df.setTimeZone(tz);
String nowAsISO = df.format(new Date());
Using a new Date() as shown above will format the current time.
share
|
improve ...
Fastest way to implode an associative array with keys
I'm looking for a fast way to turn an associative array in to a string. Typical structure would be like a URL query string but with customizable separators so I can use ' &amp; ' for xhtml links or ' & ' otherwise.
...
Check whether a string is not null and not empty
How can I check whether a string is not null and not empty?
31 Answers
31
...
How can I negate the return-value of a process?
...ns:
!(p4 labels | grep GIT_TAG_ON_A_BRANCH)
to check that the given string is not printed by 'p4 labels'.
This is problematic, because according to POSIX:
"If the pipeline begins with the reserved word ! and command1 is a subshell command, the application shall ensure that the ( o...