大约有 42,000 项符合查询结果（耗时：0.0643秒） [XML]
How to delete and replace last line in the terminal using bash?
... I need to erase the last line shown on the screen (command "clear" erases all the screen, but I need to erase only the line of the progress bar and replace it with the new information).
...
How to send a JSON object over Request with Android?
...www.example.com/objects", se, "application/json", responseHandler);
It's all asynchronous, works well with Android and safe to call from your UI thread. The responseHandler will run on the same thread you created it from (typically, your UI thread). It even has a built-in resonseHandler for JSON, ...
Query a parameter (postgresql.conf setting) like “max_connections”
.... The manual:
This parameter can only be set at server start.
To see all settings:
SHOW ALL;
There is also pg_settings:
The view pg_settings provides access to run-time parameters of the
server. It is essentially an alternative interface to the SHOW and
SET commands. It also provide...
Origin is not allowed by Access-Control-Allow-Origin
...rstand the underlying security issue. In my case, 2 servers are running locally, and like to enable cross domain requests during testing.
...
How To Test if Type is Primitive
...
This is great, I had to manually add Guid for my own purposes (as a primitive in my definition).
– Erik Philips
Jul 27 '12 at 22:54
...
Authentication issue when debugging in VS2013 - iis express
...n. These settings control what authentication mechanisms the web sites are allowed to use.
– chiccodoro
Feb 11 '14 at 16:22
...
When does System.gc() do something?
...hat garbage collection is automated in Java. But I understood that if you call System.gc() in your code that the JVM may or may not decide to perform garbage collection at that point. How does this work precisely? On what basis/parameters exactly does the JVM decide to do (or not do) a GC when it ...
Import package.* vs import package.SpecificType [duplicate]
...ld it suppose any difference regarding overhead to write an import loading all the types within one package ( import java.* ); than just a specific type (i.e. import java.lang.ClassLoader )? Would the second one be a more advisable way to use than the other one?
...
Creating a temporary directory in Windows?
... This seems a little dangerous. In particular, there's a chance (small, but non-zero, right?) that Path.Combine(Path.GetTempPath(), Path.GetRandomFileName()) will return the name of a directory that already exists. Since Directory.CreateDirectory(tempDirectory) won't throw an exception if te...
How can I make a .NET Windows Forms application that only runs in the System Tray?
...of creating an application that only ever exists in the System Tray.
Basically change the Application.Run(new Form1()); line in Program.cs to instead start up a class that inherits from ApplicationContext, and have the constructor for that class initialize a NotifyIcon
static class Program
{
/...