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libcurl的使用总结 - C/C++ - 清泛网 - 专注C/C++及内核技术
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#include <iostream>
#include <string>
#include <vector>
#include <map>
#include “curl/curl.h”
using namespace std;
static char errorBuffer[CURL_ERROR_SIZE];
static int writer(char *, size_t, size_t, string *);
static bool init(CURL *&, char *,s...
Difference between ApiController and Controller in ASP.NET MVC
...ng things". Having classic MVC controllers returning "manually" serialized strings is easy enough. Adding a json/xml switch with http Accept verb doesn't take much. All that could be wrapped into a nice utility method.Thanks.
– ValGe
Jul 6 '19 at 7:16
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Deprecated ManagedQuery() issue
...ne time: you probably don't even need that. Maybe this would work?
public String getRealPathFromURI(Uri contentUri) {
String res = null;
String[] proj = { MediaStore.Images.Media.DATA };
Cursor cursor = getContentResolver().query(contentUri, proj, null, null, null);
if(cursor.moveTo...
Can I have an IF block in DOS batch file?
...elon and @rkagerer are pointing out specific issues of a general rule that strings need to be quoted. You should never code IF %somevar%==example_string2 it should always be code so operand resolve to IF "value_of_somevar"=="example_string2" to avoid special characters in either st...
Passing variables in remote ssh command
...
your shell will interpolate the $BUILD_NUMBER before sending the command string to the remote host.
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Simple example of threading in C++
...reate a function that you want the thread to execute, eg:
void task1(std::string msg)
{
std::cout << "task1 says: " << msg;
}
Now create the thread object that will ultimately invoke the function above like so:
std::thread t1(task1, "Hello");
(You need to #include <thread>...
What is the Java ?: operator called and what does it do?
...od COULD appear. So, for example, the following statements: VALID: String x = (false) ? "X" : "Y"; NOT VALID: (false) ? "X" : "Y";
– kenj0418
Nov 7 '13 at 19:47
4
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Why is reading lines from stdin much slower in C++ than Python?
I wanted to compare reading lines of string input from stdin using Python and C++ and was shocked to see my C++ code run an order of magnitude slower than the equivalent Python code. Since my C++ is rusty and I'm not yet an expert Pythonista, please tell me if I'm doing something wrong or if I'm mis...
Bytecode features not available in the Java language
...to exploit this "feature" in Java versions before 6:
class Foo {
public String s;
public Foo() {
System.out.println(s);
}
}
class Bar extends Foo {
public Bar() {
this(s = "Hello World!");
}
private Bar(String helper) {
super();
}
}
This way, a field could be set before...
MongoDB Many-to-Many Association
...modeled as the following document templates:
User: { _id: UniqueId, name: string, roles: string[] }
Indexes: unique: [ name ]
Role: { _id: UniqueId, name: string, users: string[] }
Indexes: unique: [ name ]
To support the high frequency uses, such as Role-related features from the User en...