[It168]Today's desktop programs are not as independent from the network as they used to, and all kinds of functions are inseparable from Internet connections. Programs often need Internet connections to perform operations such as automatic updates and WebService calls to access remote data. However, before actually accessing remote data, we 'd better ensure that the remote connection is available, in this way, the process and robustness of the program can be circled. It is very time-consuming to
When a USB flash drive or camera is inserted into the USB port, how can the program detect it?Hey, what the landlord wants is similar to a small program I recently wrote. The following is my simple USB flash drive thief program. I wrote it in SDK mode. You can refer to it and convert it into an MFC code is also very simple:Case wm_devicechange: // detect USB interface peripheralsSwitch (uint) wparam){Case d
Shell script used to detect Processes
10:38:08 | category: centos | font size subscription
Script 1:
#! /Bin/sh
Program = XXXX # process name
Sn = 'ps-Ef | grep $ program | grep-V grep | awk '{print $2} ''# obtain the process port numberIf ["$ {sn}" = ""] # If it is null, the process is not started.ThenNohup/home/Oracle/xxxx # background Startup Process
Echo start OK!
ElseEcho runningFi
Script 2:#! /Bin/shPS-Ef | grep./fileserver>/dev/null 2> 1 #
The fourth part is in configure. in, use a macro to detect ++I. How to automatically search for a database and configure-I and-l:1. The library carries the. PC file:If the. PC file is added to the $ (prefix)/lib/pkgconfig/directory, the following information can be extracted:Pkg_check_modules (DEP, GTK +-2.0> = 2.10.0 orbit-2.0> = 0.2)Ac_subst (dep_cflags)Ac_subst (dep_libs)
Here, I want to find two libraries, one of which is GTK. Go to/usr/lib/pkgcon
Use Smartmontools to detect Bad Sectors on Hard DisksGuideA bad track is a part of a disk or flash memory that can no longer be read or written. It is generally caused by physical damage to the disk surface or flash transistor failure. As Bad channels continue to accumulate, they will have an unpleasant or destructive impact on your disk or flash capacity, and may even cause hardware failure. The existence of Bad blocks warns you to consider buying ne
PHP uses the finfo_file () function to detect the implementation of the uploaded image type,
This example describes how PHP uses the finfo_file () function to detect the uploaded image type. We will share this with you for your reference. The details are as follows:
In input and output, file interaction is essential, such as file upload. Here we will solve a small problem, that is, how to determine the file
Solve the problem that Webpack hot deployment cannot detect file changes.
Today, when I was using Webpack for development, I suddenly found that the hot deployment feature is not working after the file changes. It seems that webpack cannot detect file modifications. After a long time, I started to think that my code had a problem. As a result, I accidentally restarted the machine and found that I was able
Develop and detect URL scripts
Hello everyone, what I bring to you today is some small examples of writing website detection scripts. Here I use two methods to achieve this.
1. The first implementation is as follows:
2. The second implementation is as follows:
The script for the first implementation is as follows:
#!/bin/bash# DATE:2018-2-20# URL:https://blog.csdn.net/qq_39591494# Email:www.ywyankai.cn# information:Website monitoring# By.yankerp. /et
I want to debug with Eclipse real machine, but I can't detect the phone.The phone already has USB debug mode turned on.Started with the Huawei Mate9, after the interview with the next millet, are not.Searched the internet a bunch of, what security drive, adb occupation, delete 360 phone helper, modify what configuration file and so on. is useless.The final solution is to install a third-party assistant, I use the pea pod, and then keep the phone and t
Histogram introductionA histogram is a simple table that gives the number of pixels in an image or group of images that have a given number. As a result, the histogram of grayscale images has 256 entries (or containers). Container No. No. 0 gives the number of pixels with a value of 0, the number of pixels in container 1th gives a value of 1, and so on.Histogram inverse projection Histogram is an important feature of image content. If the area of an image shows a unique texture or a unique objec
When you leave the page, detect if the form element has been modified, and then give a hint. Prevents users from missing out on the opportunity to modify and improve the user experience.
Window.onbeforeunload = function () {
if (is_form_changed ())
{
Return "Your modification content has not been saved, you are sure to leave.""; }}
function is_form_changed () {
Detect if the page has a Save button
var t_
" virus, when it is active in memory, check the boot area can not see the virus program and only see the normal boot sector. Therefore, only when the identification of a type of virus and its analysis, research, can be in memory with the poison in the case of detection work.
Boot from the original, virus-less-infected DOS system floppy disk to ensure no virus in memory. The boot must be a hot boot on the power off instead of pressing the "Alt+ctrl+del" triple key on the keyboard, because some v
Label:Navicat for Oracle is a powerful set of Oracle database system management tools. It can run in more than 8i versions of Oracle database and supports most of its latest features. and help Oracle Beginners Learn how to use them quickly. Some users of navicat in what way to detect the security of Oracle database is more puzzled, we will come to this issue to share with you. Navicat Users In addition to user-created accounts, databases include autom
department can be set to reside memory.Declare @db_id int, @tbl_id intUse database_nameSet @db_id = db_id (' database_name ')Set @tbl_id = object_id (' Department ')DBCC unpintable (@db_id, @tbl_id)You can set the table department to reside memory.You can use the following SQL directives to detect execution:Select objectproperty (object_id (' Department '), ' tableispinned ')If the returned result is 1: The table is already set to reside memory, and
Tags: postgresql mysql sqlIn general, how to detect the content of the two tables is consistent, such requirements are mostly reflected from the machine to ensure data consistency. There are two methods, the first is to start from the database, the second is to start from the application side. I've got a list of ways to solve this kind of problem from the database level.The first step, of course, is to check that the number of records is consistent, o
Welcome to the Linux community forum and interact with 2 million technical staff. When you use MySQL, unexpected damage to the database table may occur, and the data is often the latest, it is generally not possible to find the data in the backup. This article describes how to detect MySQL database table faults. The general process of fault detection and correction in the table is as follows:
Welcome to the Linux community forum and interact with 2 mi
Javascript: use JavaScript to detect browser-related features. Javascript tutorial
I. Check the browser nameProblem:Different browsers have different standard support for javascript. Sometimes you want the script to run well on different browsers. In this case, you need to check the browser and determine its name, write scripts for different browsers.Solution:Use the appName attribute of the navigator object.For example, to check whether the browser i
[News collection on the IT168 Forum] There are many ways to detect viruses. Today we will teach you four tips!
Search Method
This method scans the specific strings contained in each virus. If a specific byte string is found in the detected object, the virus represented by the byte string is found. Foreign countries refer to this virus scanning software working by search method as "virus ". This virus scanning software consists of two parts: a virus co
Recently I read about Android Widgets. It seems that widgets are simple and convenient compared with other widgets, making people feel refreshed. According to the official Android website, Widgets are actually a desktop application. It differs from other applications in that it can update content in real time. You just need to manually add it to the desktop, and the code can run. Therefore, it is convenient to use it to update time, news, maps, battery information, and enhance user experience. I
Detect the virus
Time Limit: 2 seconds memory limit: 65536 KB
One day, Nobita found that his computer is extremely slow. after several hours 'work, he finally found that it was a virus that made his poor computer slow and the virus was activated by a misoperation of opening an attachment of an email.
Nobita did use an outstanding anti-virus software, however, for some strange reason, this software did not check email attachments. Now Nobita dec
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