大约有 23,000 项符合查询结果（耗时：0.0160秒） [XML]
UDP vs TCP, how much faster is it? [closed]
...gh, a missing or 'rearranged' packet is critical. You'd have to write some extra code to run on top of UDP to retry if things got missed, and enforce correct order. This would add a small bit of overhead in certain places.
Thankfully, some very very smart people have done this, and they called it T...
Creating Unicode character from its number
...
Just cast your int to a char. You can convert that to a String using Character.toString():
String s = Character.toString((char)c);
EDIT:
Just remember that the escape sequences in Java source code (the \u bits) are in HEX, so if you're trying to reproduce an escape sequence, y...
Fixing “Lock wait timeout exceeded; try restarting transaction” for a 'stuck" Mysql table?
... query is stuck, there is a problem somewhere :
in your query (misplaced char, cartesian product, ...)
very numerous records to edit
complex joins or tests (MD5, substrings, LIKE %...%, etc.)
data structure problem
foreign key model (chain/loop locking)
misindexed data
As @syedrakib said, it wor...
How to SSH to a VirtualBox guest externally through a host? [closed]
...pe in VirtualBox to bridged, and set the guest to use DHCP or set a static IP address outside of the bounds of DHCP. This will cause the Virtual Machine to act like a normal guest on your home network. You can then port forward.
...
Can't connect to MySQL server error 111 [closed]
I installed mysql server on linux box IP = 192.168.1.100 but when i try to connect to this IP it alway error(111). but use localhost and 127.0.0.1 is OK.
...
QString to char* conversion
I was trying to convert a QString to char* type by the following methods, but they don't seem to work.
10 Answers
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How to access remote server with local phpMyAdmin client?
...t but why you all did not tell me that I'll have to add or get it added my ip address in Remote mySql. otherwise it will not work. Please friends note this too
– Jaydeep Goswami
Jun 28 '19 at 10:26
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Parsing JSON using Json.net
...ng System.Web.Script.Serialization;
public class NameTypePair
{
public string OBJECT_NAME { get; set; }
public string OBJECT_TYPE { get; set; }
}
public enum PositionType { none, point }
public class Ref
{
public int id { get; set; }
}
public class SubObject
{
public NameTypePair att...
Get the value of checked checkbox?
...ry:
var checkedValue = $('.messageCheckbox:checked').val();
Pure javascript without jQuery:
var checkedValue = null;
var inputElements = document.getElementsByClassName('messageCheckbox');
for(var i=0; inputElements[i]; ++i){
if(inputElements[i].checked){
checkedValue = inputEl...
GCM with PHP (Google Cloud Messaging)
...etopt($ch, CURLOPT_HTTPHEADER, $headers);
// Get the response back as string instead of printing it
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
// Set JSON post data
curl_setopt($ch, CURLOPT_POSTFIELDS, json_encode($post));
// Actually send the request
$resu...