Proactive Java (Exception Handling) and proactive Exception Handling
. Use exceptions only for exceptions:
I don't know if you have met the following code:
Copy codeThe Code is as follows:Try {Int I = 0; 3While (true)Range [I ++]. climb ();}Catch (ArrayIndexOutOfBoundsException e ){}The intention of this Code is not obvious. The intention is to traverse every element in the range of the variable array and e
The most encouraging fact is that human beings can indeed take the initiative to improve the value of life. ---Henry David Thoreau.
Life is a book, and you are the author of it. You decide its plot and pace, and you---only you---flip it on a page. ----Connie.
Proactive definition: Active not only refers to the attitude of acting, but also means that people must be responsible for their own lives.
There are three kinds of values in life:
(1
Proactive-critical zone interrupt handling
Hedgehog @http://blog.csdn.net/littlehedgehog
The problem with a lot of code in the Linux kernel to deal with race condition (competitive conditions) is to add a switch interrupt instruction such as the CLI STI, which seems like a little worth mentioning. In the Wait_on_buffer function (shown in the following code), the switch interrupt is simply to avoid the competition condition and interrupt the critic
Summary: Because the Internet has a massive amount of information and is growing rapidly, it is important to increase the speed of data collection and updating for the web spider of the search engine Information Collector. This article uses the active object provided by the parallel distributed computing middleware of the proactive mesh network) A distributed parallel web spider named P-spider is designed and implemented by technology, network paralle
For PC desktop applications, the ability to proactively upgrade is often indispensable.The proactive upgrade can be developed as an independent C/s system, so that it can be reused in different desktop applications. This article will focus on the relevant background of Oaus, usage, as to the specific implementation details, we can directly download the source code research.Suppose you understand the use of Oaus. The source code is very easy to underst
Python's own proactive review of actual combatPlaying Csdn blog for one months, and gradually found some interesting things, often someone with the same comments everywhere brush. Do not know is to add no use of points, or purely to express the good man. Then the problem comes, this kind of boring thing is of course best to be self-motivated. I have to try a piece, purely entertainment.LandingTo comment, of course, to be able to log in first, using th
[Author]: KwuBased on reflection to implement their own proactive restful development, the general only need to write query database SQL. and increase the corresponding javabean realization of high-speed restful service development.1, write the database query SQL. corresponding sql.propertiesDaily = Dailyreport;select T.day,t.cnt,t.type from (select Day,cnt,type from Dailyreport where type=? ORDER BY day Desc Li Mit?) t order by T.day; String,integerS
Original link http://tengine.taobao.org/document_cn/http_upstream_check_cn.htmlNgx_http_upstream_check_module This module provides proactive back-end server Health check functionality for Tengine. The module is Tengine-1.4. version 0 was not previously enabled by default, it can be turned on when configuring the Compile option:./configure--with-Http_upstream_check_moduleexampleshttp {Upstream Cluster1 {# simple round-Robin Server192.168.0.1: the; Serv
I heard that I was going to introduce "Seven Habits of high-performance people" that day, and said to me: this is indeed a bit difficult. I also feel that it is indeed a great challenge for me who have little social experience, but I must regard this challenge as an opportunity to communicate with experienced experts, if I don't tell you, who knows that I think so? If you haven't heard of it, how can you know that someone may have the same idea as you, or you have mastered these efficient habits
correct, then the reactive SDN controller simply cannot control the large-scale network and traffic. In this case, it might be suggested to study how to improve the performance of the SDN controller so that it is no longer a bottleneck. But this is the typical trifles, to solve a problem that could not exist. Imagine, if the Tcam is big enough, people will also adopt reactive way to design SDN system? Obviously not. In correspondence, proactive will
. Therefore, such a method of copying changes is more suitable.
Tool code implementation:
package cn.jerryhouse.util.cc;import java.io.BufferedReader;import java.io.BufferedWriter;import java.io.File;import java.io.FileReader;import java.io.FileWriter;import java.util.LinkedList;import java.util.List;public class CodeCopier {private List
package cn.jerryhouse.util.cc;public class ReplacePair {private String toReplacePattern;private String replacement;public ReplacePair(String toReplacePattern,
1. Using a hidden iframe on the client, its SRC points to the server-side control code, such as server.php
2. In the server.php through the while implementation of the never-ending request, within the loop, implement a breakpoint, such as sleep (2), representing every 2 seconds cycle
3. Output the fragment code to the client in each loop
echo "";
Ob_flush ();
Flush ();
The server-side overall test code is implemented as follows:
$i = 0; while ($i
The above describe
makes the test complete and active.
The application actively tests to minimize errors. Although your code is not perfect, with excellent active testing, you will find that the error solution is significantly reduced. Proactive testing gives you confidence in code fairness. With this confidence, you can have a brave Flying Flight in design, better relationship with your team, improve the relationship between you and your customers, and go to bed with
MySQL Ops people should be aware that the online MySQL is generally based on the source code compiled, because this talent is sufficient according to the individual needs of the enterprise to choose the function to compile, although MySQL source code compilation is very simple, but imagine, Suppose you have hundreds of servers to install MySQL at the same time, do you still have to manually compile and write the configuration files on a single station? This is obviously too inefficient, this art
#设置Chassis的基本參数, including the IP address. Number of ports, etc.Set CHASSISADDR 10.132.238.190Set Islot 1Set Portlist {One-by-one}; #端口的排列顺序是port1, Port2If {[Catch {#载入STC API LibCd.. /source#载入HLAPI Libsource./cstc.tclSetlogoption-debug Enable# Start connecting the machineTestdevice Chassis1 $chassisAddr# Start with two ports reservedFor {set I 0} {$i Chassis1 createtestport-portlocation $islot/[lindex $portList $i]-portname port[expr $i +1]-porttype Ethernet}#port1 Createsubint-subintname Vlan
Proactive C # principle 34: creating large-capacity Web APIsItem 34: create large-grain Web APIs
The overhead and trouble of interaction protocols are how to use data media. Different media may be used during interaction. For example, you need different phone numbers, faxes, addresses, and email addresses for communication. Let's look back at the last order catalog. When you order by phone, you have to answer a series of questions from the SALESPERS
Independent blog
Proactive debug logging (part 3)
In the previous two sections, we discussed where debugging logs are written and how to classify and classify debugging logs. So far, we have not touched on the core issue: Where should I write debugging logs? How should I write debugging logs? This is the topic of this part.
How to Write debugging logs
The core issue of writing debugging logs is where to write content. When we consider writing l
The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion;
products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the
content of the page makes you feel confusing, please write us an email, we will handle the problem
within 5 days after receiving your email.
If you find any instances of plagiarism from the community, please send an email to:
info-contact@alibabacloud.com
and provide relevant evidence. A staff member will contact you within 5 working days.