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No connection could be made because the target machine actively refused it?
Sometimes I get the following error while I was doing HttpWebRequest to a WebService. I copied my code below too.
28 Answer...
Is either GET or POST more secure than the other?
When comparing an HTTP GET to an HTTP POST, what are the differences from a security perspective? Is one of the choices inherently more secure than the other? If so, why?
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How to make ThreadPoolExecutor's submit() method block if it is saturated?
...e
task at the head of the work queue is
dropped, and then execution is retried
(which can fail again, causing this to
be repeated.)
Also, make sure to use a bounded queue, such as ArrayBlockingQueue, when calling the ThreadPoolExecutor constructor. Otherwise, nothing will get rejected....
Load and execution sequence of a web page?
I have done some web based projects, but I don't think too much about the load and execution sequence of an ordinary web page. But now I need to know detail. It's hard to find answers from Google or SO, so I created this question.
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How to provide user name and password when connecting to a network share
...ogonType : int
{
Interactive = 2,
Network = 3,
Batch = 4,
Service = 5,
Unlock = 7,
NetworkClearText = 8,
NewCredentials = 9
}
public enum LogonProvider : int
{
Default = 0, // LOGON32_PROVIDER_DEFAULT
WinNT35 =...
MQTT物联网协议完全实践指南 · App Inventor 2 中文网
...
// 消息缓存和批处理
global MessageCache = empty list
global BatchSize = 10
global BatchInterval = 5000
// 批量发送消息
procedure batchPublishMessages
do
if length of MessageCache >= BatchSize then
set BatchMessages to create list
// 取出批量消息
...
opengl: glFlush() vs. glFinish()
...Let me dive deeper:
In practice, all the work you submit to the driver is batched, and sent to the hardware potentially way later (e.g. at SwapBuffer time).
So, if you're calling glFinish, you're essentially forcing the driver to push the commands to the GPU (that it batched till then, and never a...
How to set time delay in javascript
...
I will explain in brief.
To understand that you have to know about event queue in javascript. There is a event queue implemented in browser. Whenever an event get triggered in js, all of these events (like click etc.. ) are added to this queue. When your browser has nothing to execute it takes a...
How to delay the .keyup() handler until the user stops typing?
...k / action will actually be called, because those requests are stored in a queue, that after the X milliseconds is called if no other request with the same label exists in the queue!
function delay_method(label,callback,time){
if(typeof window.delayed_methods=="undefined"){window.delayed_method...
Apache Kafka vs Apache Storm
...low me to process an event and update a persistent data store with low(er) batch aggregation with very, very little custom coding.
Storm (lots of custom coding) allows me nearly real time access to the trending events.
If I can wait for many seconds, then I can batch out of kafka, into hdfs (Parquet...