大约有 40,000 项符合查询结果（耗时：0.0531秒） [XML]
Trim string in JavaScript?
... this only trims whitespace (newline) .. it does not work like php trim , where you can trim characters as well
– Jeffz
Jun 22 '13 at 20:43
...
How do I measure execution time of a command on the Windows command line?
... contains timeit.exe that displays detailed execution stats. Here is an example, timing the command "timeit -?":
C:\>timeit timeit -?
Invalid switch -?
Usage: TIMEIT [-f filename] [-a] [-c] [-i] [-d] [-s] [-t] [-k keyname | -r keyname] [-m mask] [commandline...]
where: -f specifies the na...
public friend swap member function
...ument member function swap, such as:
struct vector
{
void swap(vector&) { /* swap members */ }
};
Naturally, then, our class should too, right? Well, not really. The standard library has all sorts of unnecessary things, and a member swap is one of them. Why? Let's go on.
What we should...
What is the difference between cout, cerr, clog of iostream header in c++? When to use which one?
...gt;
#include <fstream>
#include <string>
void f(std::ostream &os)
{
std::cin.clear(); // clear EOF flags
std::cin.seekg(0, std::cin.beg); // seek to begin
std::string line;
while(std::getline(std::cin, line)) //input from the file in.txt
os << line &...
Is PHP compiled or interpreted?
Is PHP compiled or interpreted?
9 Answers
9
...
Executing injected by innerHTML after AJAX call
...ter fetching some content:
$.ajax({
type: 'GET',
url: 'response.php',
timeout: 2000,
success: function(data) {
$("#content").html(data);
myFunction();
},
error: function (XMLHttpRequest, textStatus, errorThrown) {
alert("error retrieving content");
}
...
How would one call std::forward on all arguments in a variadic function?
...
You would do:
template <typename ...Params>
void f(Params&&... params)
{
y(std::forward<Params>(params)...);
}
The ... pretty much says "take what's on the left, and for each template parameter, unpack it accordingly."
...
Maximum execution time in phpMyadmin
When I try to execute (some) queries in phpMyadmin I get this error
12 Answers
12
...
Find when a file was deleted in Git
... path] shows the changes of a file, work even if the file was deleted.
Example:
git log --full-history -- myfile
If you want to see only the last commit, which deleted a file use -1 in addition, e.g., git log --full-history -1 -- [file path]
See Which commit deleted a file
...
PHP “pretty print” json_encode [duplicate]
...a script that creates a JSON file. Right now I'm just using json_encode (PHP 5.2.x) to encode an array into JSON output. Then I print the returned value to a file and save it. Problem is that the client wants to be able to open these JSON files for readability, so I'd like to add line breaks in an...