大约有 44,000 项符合查询结果(耗时:0.0620秒) [XML]

https://stackoverflow.com/ques... 

Call a REST API in PHP

...rmat, then simply use PHP command echo $my_json_variable to make that json string availabe to the client. So as you can see, my API returns json data, but you need to know (or look at the returned data to find out) what format the response from the API is in. This is how I connect to the API from ...
https://stackoverflow.com/ques... 

Why would introducing useless MOV instructions speed up a tight loop in x86_64 assembly?

...as to rewrite the pascal FOR loop myself in assembly, at which point these extra instructions no longer had a positive effect. Perhaps free pascal's generated code was harder for the processor to predict than the simple counter I replaced it with. – tangentstorm ...
https://stackoverflow.com/ques... 

What are JavaScript's builtin strings?

...how it works in Firefox and IE. Moreover, I haven't really expected that toString() representation of build-in methods might look differently in other browsers. Now, moving to the real problem, let's precisely have a look at the code. Yes, "v" was the real "problem" here. I found no other ways of ge...
https://stackoverflow.com/ques... 

How do I get a Date without time in Java?

...is asking about how to get a Date object - that answer formats a date to a string, which isn't the same thing. Fundamentally, asking what date a Date is on is a meaningless question without more information: the time zone and the calendar system you're using. – Jon Skeet ...
https://stackoverflow.com/ques... 

Delete rows from a pandas DataFrame based on a conditional expression involving len(string) giving K

...pandas DataFrame and I want to delete rows from it where the length of the string in a particular column is greater than 2. ...
https://stackoverflow.com/ques... 

How do I print a double value with full precision using cout?

... calculates the right precision for me. And it's fast, too. #include <string> #include <boost/lexical_cast.hpp> using boost::lexical_cast; using std::string; double d = 3.14159265358979; cout << "Pi: " << lexical_cast<string>(d) << endl; Output: Pi: 3.14...
https://stackoverflow.com/ques... 

Are the days of passing const std::string & as a parameter over?

...Herb Sutter who suggested that the reasons to pass std::vector and std::string by const & are largely gone. He suggested that writing a function such as the following is now preferable: ...
https://stackoverflow.com/ques... 

What is the maximum length of a URL in different browsers?

...ails C# part: [AcceptVerbs(HttpVerbs.Get)] public ActionResult ParamTest(string x) { ViewBag.TestLength = 0; if (!string.IsNullOrEmpty(x)) { System.IO.File.WriteAllLines("c:/result.txt", new[] {Request.UserAgent, x.Length.ToString()}); ViewBag.Tes...
https://stackoverflow.com/ques... 

how to check the dtype of a column in python pandas

I need to use different functions to treat numeric columns and string columns. What I am doing now is really dumb: 6 Answer...
https://stackoverflow.com/ques... 

Android Gallery on Android 4.4 (KitKat) returns different URI for Intent.ACTION_GET_CONTENT

... startActivityForResult(Intent.createChooser(intent, getResources().getString(R.string.select_picture)),GALLERY_INTENT_CALLED); } else { Intent intent = new Intent(Intent.ACTION_OPEN_DOCUMENT); intent.addCategory(Intent.CATEGORY_OPENABLE); intent.setType("image/jpeg"); startActiv...