weird datasets

Analysis of weird phenomena in the use of PHP function rtrim (), phprtrim This article describes how to use the PHP function rtrim. We will share this with you for your reference. The details are as follows: Use todayRtrim ()The function encountered a strange problem: Echo rtrim (' The above output results are a little surprising. Originally, I thought the first line should be output I have been entangled in this problem for a long time, but I h

1. javascript is a weak type language, not non-type. There are two types of js types: 1: undefined, null, boolean, string, number, object; 2: undefined, boolean, string, number, object, function. I personally admire the second type. On the one hand, it is because the saying that everything is an object will confuse beginners. On the other hand, the function is a very huge thing that needs to be discussed separately. 2. in js, there will be implicit type conversion during operator operations, and

CSS attribute selector temperature-4-weird coffee 1. Attribute selector is used to find elements through element attributes. 2. Attribute selector syntax CSS3 follows the regular encoding rules. The use of wildcards improves the writing efficiency of the style sheet and makes the attribute selector of CSS3 conform to the encoding habits. 3. browser compatibility CSS selector Summary: CSS selector and jQuery selector are very similar. learn

Using Ecshop to make a mall system for customers, in the test found in the background in the change of delivery mode of the order of the following problems "PHP Warning:number_format () expects parameter 1 to be double, string Given in C:\inetpub\wwwroot\includes\lib_common.php on line 973 "When viewing the source code did not find the problem, and then the $price printed out and did not find the problem, at this time the value of $price is: string (4) "0.10"Finally on the network to understand

On the Internet to see a person said his HTTP server will be inexplicable crash, downloaded down after the discovery is because forgot to detect abnormal request situation.What is a normal request and what is not normal? Normal is a connection request come over and then download the Web page, but I found that the browser willThere are a number of connections coming in, and then only one is used to transmit data. A few other connections will not move after they have been established.Because the N

Recently, friends of the company encountered a site deployment problems, friends engaged in server maintenance for many years, said it took more than 10 days still to solve.After several attempts failed, still error is as follows:I asked about the situation and confirmed that the site was developed by VS2013, and that the version is, NET Framework4.5In the "practice is the only criterion for testing truth", I let my friend pack a copy of the program for me.Follow the routines set below, and the

separately, in this WA once.Code:/************************************************author:torrance_zhangcreated TIME:2016/5/2 14:32:09File Name : ceshi.cpp*************************************************/#include#includestring.h>#include#include#include#include#includeSet>#include#includestring>#include#include#includetypedefLong Long intLL;using namespacestd;intMain () {//freopen ("In.txt", "R", stdin); //freopen ("OUT.txt", "w", stdout); Charop[Ten]; while(~SCANF ("%s", op)) { if(!

The newly-learned unity3d, many do not understand. If there is a problem with the understanding below, please leave a message to indicate.Just met such a problem: The scene dragged a box, on a mobile/diffuse material, in the box at the top of a point light, moving point light source, found that the box of light is very strange, moving to both sides of the near bright dark, but moved to the middle position above the box, A shading of the upper surface of the entire box.See the Mobile/diffuse sour

Topic linksTest instructions　　Ideas:Take other people's pictures directly, write yourself too much trouble ~　　Then you can use the matrix quick Power set template to find the recursive push-Other than that:This problem unexpectedly or not matrix fast power, can not do, or 2013 Changsha Invitational water Problem, is also 2008 Google Codejam Round 1 a C problem.#include 　　Matrix Fast power HDU 4565 so easy! (simple?) It's weird! ）

Events, weird events, array problems PHP code $list=Array( [page] => Array ( [page_id] => 1, [path] => tiyee.html, [templates] => zj001.tpl, [key] => 21212121, ), [qianggou] => Array ( [object_id] => 1, [number] => 0, [oldprice] => 0.00, [newprice] => 0.00, [begintime] => 0000-00-00 00:00:00, [endtime] => 000

constructor, and B saves the empty business. When the user password is validated successfully, the latter is created and the natural business information is also empty. When the B.work () is executed, the latter's destructor is executed, and the business information after this operation is saved in the file. The file content will not be empty.However, when the execution of the program leaves the main function, its local variable B (the former) also to be analyzed, this is where the problem is,

Event background:I developed a project with two development tools, and at one point I used eclipse to invoke the project in idea (two tools were deployed to Tomcat) and suddenly got an error. The signature has never been over. The last trace code discovery problem appears on MD5 encryption.MD5 encryption for each household is inconsistent. Finally found Inbuf.getbytes ("Utf-8") This code, is not modified before is inbuf.getbytes (); So the cipher strings tested under Tomcat and separate main are

Suddenly can't login, only prompt contact [email protected] mailbox, received reply management Ape also don't know what is going on, also said MRHGW does not exist this number. It seems can only be recovered through the mailbox, the most pit is my that Sohu mailbox very early registration also a long time useless, the result opened received tens of thousands of mail, deleted half an hour to receive the blog Park Mail, open the message content is "your blog Park login user name is: mrhgw-account

Weird events, array problems PHP Code $list =array ([page] = = Array ([page_id] = 1, [path] = tiyee.html, [ Templates] = Zj001.tpl, [key] = 21212121,), [qianggou] = = Array ([obje CT_ID] = 1, [number] = 0, [Oldprice] = 0.00, [Newprice] = 0.00, [BeginTime] = 0000-00-00 00:00:00, [endtime] = 0000-00-00 00:00:00, [limit_b] = 0000-0 0-00 00:00:00, [limit_e] = 0000-00-00 00:00:00, [type] = 1, [saleout] = 0, [Classtim

Acquisition encounters a weird problem Destination Address www.zhibo8.com Local Environment: Windows XP + Xmapp 1.7.7 File_get_contents or curl is no problem, the first page is fully accessible; Put it on a foreign server, Linux, Apache 2.0 File_get_contents is empty Curl will be inconsistent with browser access open, the content is much less, butThe end tag is full. And I use curl to send the entire header of the mock browser is also incomplete.

Recently used PHP crawler to develop a sword 3 of 818 and the tree hole of the reading site A very strange question was found when using Filemtime to get the last modification time of the file. For example, I was a 2016-7-3 10:00:00 modified file, but with Filemtime to get to the bad times 2016-7-3 4:00:00 Why is there a 6-hour time lag that is so weird? = = Check to find a time zone problem, you can go to the configuration file changes, you can

Let's look at an example below, which undoubtedly prints out 101 var a = ten; 2 function Test () {3 Console.log (a); 4 }5 test ();Let me change it.1 var a = ten; 2 function Test () {3 Console.log (a); 4 var a = 9; 5 Console.log (a); 6 }7 test ();This time will print outI personally think: in the call test method execution to Console.log (a) This sentence will be scanned under the entire

Weird stairs Time Limit: 2000/1000 MS (Java/others) memory limit: 131072/65536 K (Java/Others)Total submission (s): 9045 accepted submission (s): 2238After the official start of problem descriptionhogwarts, Harry found that some stairs in Hogwarts were not static. On the contrary, they changed their directions every minute. For example, in the following example, the first stair is in the vertical direction. One minute later it moves to the horizontal

Weird stairs Time Limit: 2000/1000 MS (Java/others) memory limit: 131072/65536 K (Java/Others) Total submission (s): 2021 accepted submission (s): 484 After the official start of problem descriptionhogwarts, Harry found that some stairs in Hogwarts were not static. On the contrary, they changed their directions every minute. For example, in the following example, the first stair is in the vertical direction. One minute later it moves to the horizont

Weird elevator !!! I was confused when I found something strange! Look at other people's code! This analysis is available !!! This is the key to determining the direction of the elevator !!! In order to reduce the time, people can stop in the same place and wait for the elevator to change direction !!! # Include # Include # Include Using namespace STD; Struct Node{Int X, Y, step;Friend bool operator {Return A. Step> B. step;}}; Char map [1010] [1010