English Original: The best debugging Story I ' ve ever HeardThat was the beginning of the 80 's, when my father worked for a storage device company, which no longer exists, it produces tape drives and a pneumatic system that drives these tapes at high speeds-a product of that era.(used under license from Laughing Squid. The original image can be found here. )They retrofit the tape drive so that you can have only one central drive-the "A" disk-connected to several "B" disks, which resides in a sm
Feedback received on-site implementation: Now there is a system slow, the whole system stuck. Diagnostic process:1. Check the application log, that is, the WebLogic log, found a blocked thread, the code is called the interface2. Check the database report and find that the load is small, to infer that the
Tag: print BSP Match color img display Add div addressThe source of the problem is a test code that you write yourself:#include using namespacestd;intMain () {Chara[1]; a[0] ='a'; a[1] ='b'; Charb[1]; b[0] ='C'; b[1] ='D'; strcpy (A, b); cout"after copy: a[0] ="0]"a[1] ="1]Endl; cout"after copy: b[0] ="0]"b[1] ="1]Endl; return 0;}After that, the value of the two string output
One principle for me to solve the problem is to solve the problem. I don't want to explain the problem because it is difficult to explain it. Why is it difficult? There are two reasons: one is
How to quickly move the mouse to trigger the problem and solve the problem (ECharts external call is saved as image operations and workflow wiring: mouseenter and mouseleave), echartsmouseenter
Record problems encountered during the development of two projects. One is that the external call of ECharts
Just a little bit of simplicity.A problem is easy time limit: +Ms | Memory Limit:65535KB Difficulty:3
Describe
When Teddy is a child, he is always thinking on some simple math problems, such as "what it ' s 1 cup of water plus 1 Pile of dough., "Yuan buy pig". etc..
One day Ted
Skip or not? This is a problem, jump or problemOn Monday (), a project was changed, which was a major change. The database test operation continued from morning till seventeen o'clock P.M., and QA colleagues found that, the data on the slave is inconsistent with that on the master.I forgot to introduce it. This module of this project has read requests and delete
For example, there are three programs of a, B and C, of which A and V1.00 and V1.10 two versions.Premise:1) The interface between the programs does not detect changes;2) two times the data input to a is the same;3) Three programs do not have abnormal bullets in operation, or other problems appear.Operation Result:A V1.00 with B and C, the result is normal, repeat operation, also normal;A V1.10 run with B an
A strange 404 question. I don't know if there is a server problem. I wrote a plug-in for fckeditor2.X and put it online for testing.
Http://gufa.xp3.biz before there is no advertising, now mandatory to add advertising, resulting in failure to run normally. If you have cows installed on your computer, you can use them normally.
Http://fck.hazy.allalla.com
Output an array to determine if there is a problem, and if so, identify the problem and correct itProgram:#include int Main (){int I, a[5]; for (i = 0; I {A[i] = 0;} for (i = 0; I {printf ("%d\n", A[i]);}return 0;}result: A crash occurred Analysis: The number of loops exceeds the length of the arrayPost-correction procedures:#include int Main (){int I, a[5];
= a.x = {n:2} such a statement, it does this:
Find pointers to a and a.x. If you already have a pointer, do not change it. If there is no pointer, that variable is not declared yet, create it and point to null.A is a pointer, pointing {n:1} ; a.x is not a pointer, so create it, point to null.
Then the poi
This article is mainly about the dom4j in the document to save the process of a Chinese problem, this article with the "80 ago," a article like the spring project has nothing to do, please "Spring fans" of self-respect, nothing to disturb, the text of the deficiencies are welcome to criticize the comments.
DOM4J is a relatively good Java open source XML parsing p
Child count off problem
Time Limit: 1000MS
Memory Limit: 65536K
Total Submissions: 10423
Accepted: 4824
DescriptionThere are n children in a circle, to them from the beginning of 1 numbered, is designated from the beginning of the first number of W, check the first S, the child out of the way, and then from the next child began to count,
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Problem: I recently set up a new environment for my "Happy Tao". After the lnmp environment is installed, MySQL, PHP-FPM, and nginx are in normal state, but PHP programs cannot be accessed through nginx, access static pagesThis problem has plagued me for several days and has finally made progress today.Cause Analysis: iptables
Struts Problem
Struts has detected an unhandled exception:
Messages:
Node to traverse cannot is null!
File:org/hibernate/hql/ast/util/nodetraverser.java
Line number:55
Stacktraces
Java.lang.IllegalArgumentException:node to traverse cannot is null!
Org.hibernate.hql.ast.util.NodeTraverser.traverseDepthFirst (nodetraverser.java:55)
Org.hibernate.hql.ast.Que
When one is running on a 64-bit platform. NET application attempts to invoke a DLL that does not support 64-bit execution, this exception occurs. If the application is generated in an unspecified platform (for example, "any CPU"), it will run in the operating system-based 64-bit mode, which can cause this problem. To solve this
This article is mainly about the dom4j in the document to save the process of a Chinese problem, this article with the "80 ago," a article like the spring project has nothing to do, please "Spring fans" of self-respect, nothing to disturb, the text of the deficiencies are welcome to criticize the comments.
DOM4J is a relatively good Java open source XML parsing p
Just a little bit of code.
Assign (' name ', ' Ned '); $smarty->debugging = true; $smarty->display (' Index.tpl ');? > Code as above, very simple, two pieces of code of the file structure in the same directory In this way, the operation can not find the class .....Fatal error:class ' smarty\smarty_test ' is not found in .....I really do not understand, I am in the thinkphp framework is
I believe many BT users have encountered the problem of downloading 8x % or 9x % When bitcomet is used. What should we do?
In this case, we can consider downloading seeds. In fact, we will borrow some seeds from other servers to download the incomplete ones.
Step 1:First, use the search link provided by bitcomet, click the search engine provided in "My favorites → Torrent Search", and enter keywords in th
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