[ problem description ]There is a group of producer processes that produce products and provide these products to consumer processes to consume. In order for the producer and consumer processes to execute concurrently, a buffer pool with n buffers is set between them, and the producer process puts all of its manufactured products into a buffer; the consumer process can take the product away from one buffer to consume. Although all producer and consumer processes run asynchronously, they must b
producer thread runs, You should wait.Producer Class:public class Producer implements Runnable{private product Product=null;public Producer (product product) {this.product= Product;} public void Run () {for (int i=0;iConsumer class:public class Consumer implements Runnable{private product Product=null;public Consumer (product product) {this.product= Product;} public void Run () {for (int i=0;iThen the main class:public class Main{public static void Main (string[] args) {Product product=new prod
Add Library issues First:
Select page Check build Phases->link Binary with libraries + Add library
Then command+shift+k erase history's debug garbage.
Copying other project file compilation error issues:
When copying files into the project, if you do not pay attention to check "Add to Target", the runtime will be reported as follows similar error:
Undefined symbols for architecture i386:
"_objc_cl
Tags: enter serial number to perform the installation process work reload Management click Key1. Have you encountered an issue with the Microsoft Runtime DLL installer failing to complete the installation process?When encountering this problem, do not click OK, you need to enter%temp% in the Start menu, then jump to a folder, locate the folder with the suffix setup (typically the first folder), and then double-click to open the executable file that found VMware workstation. Double-click the inst
\ ' $2_config '. Stop.">2Exit1fiSet${line} # AdddefaultBoard Nameifneeded [$#=3] Set${line} ${1} fi2. Issue: Generate U-boot.bin Error:bad value (ARMV5) for-march=Switchhttp://arm9home.net/read.php?tid-82914.html 3. Workaround: Cat> remake.sh EOF Export Cross_compile=arm-linux-gnueabihf-Export ARCH=arm make Am335x_evm_config make EOF II, file system cannot get Linux shell terminal after running: # # the"ID"field must be the same asThe last # Characters of the device ( after"TTY"). # # Format
A;private double B;First first;Public Second (first first){This.first = First;A = First.geta ();b = First.getb ();}Public double Geta (){return A;}Public double Getb (){return b;}}Other document programs do not change, debugging results are as follows:The answer is also what I want 30, 40. Although both of these methods can achieve the results I want, but using extends can save duplicate input code, so, how to use the inheritance relationship to achieve the results I want, at present I have no
Install MCrypt Firstsudo apt-get install Mycrypt php5-mcryptAnd thensudo php5enmod mcryptYou can open the module and enter the following command to see the mcrypt:Php-i | grep mcryptsudo php-m。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。In addition, about how to make composer this command, can be used in the globalPut the Composer.phar into the/usr/local/bin/Then change the name to composer.sudo mv Composer.phar composerComposer if using a foreign mirror is slowDirect access to domestic mirrors:Ht
Yesterday encountered a face test, mainly is the incident coverage problem and trigger problem(not advertising, ignoring text content)In short, it will output three times "Make your own website".Why not two times, but output three times?1. First onclick=function ... is a DOM0-level event handler, and AddEventListener is a DOM2-level event handler that belongs to a different class and does not overwrite each other.2. In addition, the third parameter of the event listener is to set the call stage
Label:---restore content starts---After using C + + Builder, you find it easy to get access violation problemsShaped like:When a run-time access violation appears, your users get an error message similar to the following:Access violation at address In module Read of address Learn to use menu Search when debugging | Find ErrorMore references and read: (or Baidu search for "access violation (illegal access) error resolution")Http://wenku.baidu.com/link?url= Rc9ija58hclrctthhv7fe8h84plqxzp2jardco8k
classification model, which gives us a better evaluation value and gives us a more direct way to evaluate the good and bad of the model. One last thing to keep in mind, in the definition of precision and recall, we define precision and recall rates, and we habitually use Y=1 to show that this class appears very little. So if we try to detect a very rare situation, like cancer. I hope it's a rare situation where precision and recall are defined as Y=1 rather than y=0, as some of the fewer classe
Ask about CakePHP's configuration issues
I was configured according to the manual, DocumentRoot "E:/cakephp/app/webroot" is set on the Apache server configuration file, then it is possible to access webroot/index.php. But the manual says it's going to be a few sentences.
Options FollowSymLinks
AllowOverride All
# Order Deny,allow
# Deny from all
AllowOverri
some issues with Tomcat 5x/6x in the Eclipse Java EE IDE (configuration, publish-related)
has always been the use of myeclipse, because the copyright is involved in the "Learning and Exchange" under the name of the use of myeclipse. But in real business development, the team takes into account the cost of the project and the needs of the project (efficiency or functionality), so that eclipse should be sufficient for some small and medium-sized projec
This article mainly mentions a list of questions that may be troubling for our development of HoloLens applications.Visual Studio
There may be minor issues when connecting to HoloLens using the VS Update 1. But these minor issues were fixed in Update 2, and we recommend that you use Visual Studio Update 2.
"dep0001:unexpected Error: -2145615869"- If you restart it after debugging the dev
In the actual use of Struts2, CSS and JavaScript are often introduced into the JSP view page, which involves reference path issues. There are two types of paths, one is the relative path and the other is an absolute path. Let's talk about their impact in the Struts2 Page view, respectively. 1, relative path
The reference format for the relative path is as follows:
Note that here, the first path directly ahead of the folder path, there is no "/", whic
Tags: MySQL1. When installing MySQL, it will not be possible to start properly.:Viewing the System event log discovery failed to find the affected libraries through multiple lookups due to a lack of Microsoft Visual C + + 2008 (runtime) and, in desperation, using 360 software to locate the installation. After the installation succeeds, start the MySQL boot successfully again.2. Due to the previous installation of MySQL, the MySQL startup is not uninstalled, resulting in the MySQL log in the time
Summary of key issues in network programming and key issues in Network ProgrammingSummary of key issues in Network Programming
Summarize the key issues in network programming, including connection establishment, connection disconnection, message arrival, and message sending;Establish a connection
This includes receivin
What security issues does cloud computing help enterprises deal ?, Enterprise Security Issues
What security issues does cloud computing help enterprises deal? Before the emergence of cloud computing, many enterprises often deal with security problems by buying a firewall, WAF, intrusion prevention, and vulnerability repair. With the development of cloud computin
Security issues for migration to 5G and security issues for 5g migration
This article will introduce 3GPP's recent achievements in 5g, further discuss the security of 5g migration, and finally introduce the 3GPP specifications for non-independent or 4g-5g dual-connection.
Recent achievements of 3GPP
5g architecture and wireless specifications have been released as planned in December 2017. One of the achi
the enterprise.b, S/b structure:-B/s,browser/server, browser/server. b/S architecture, in fact, is a special C/s architecture, but this client specifically refers to the browser.-For systems with B/s architecture, the client is required to have a browser installed, then the client can access the server. And the whole system upgrade, only need to upgrade the server-side program. Therefore, the system of B/s architecture has the biggest advantage is that there is no client upgrade problem.-Becaus
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