Copy this machine language code into Notepad, save Ytlds.txt, hide the file name ytlds in the extension, create a new batch file under the same folder, enter
echo offDebug Run the batch file will run the program automatically, the generated program is 4KB, the program is running under DOS.A scene animation, and music.E100 f6 Bf 0 B5 f3 A5 8c C8 5 0 2 1 CB E 1f be A1 1 BF 0 1e11b 6 B8 1 BB 7 4b 4b F9 ad E0 8b C8 BD FF FF E8 20e134 0 3d 0 1 1a 7f 3 AA
The scope in Js is different from that in other languages. Pay special attention to the concept of scope in JS:
It indicates the region where variables or functions work. It refers to the context in which they are executed, that is, the context execution environment. There are only two types of Javascript scopes: global and local scopes. Local scopes are differentiated by functions.
First, let's look at several questions:
1.
The Code is as follows:
If (true ){Var aa = "
Accidentally see an article on the Internet, speaking of the World Hacking programming contest first place a cool program, size only 4KB, using debug command execution.The sad reminder is that win8.1 's debug command is not available.Errors such as the following:The workaround is as follows:1. Download DOSBox and Debug.exe1:http://download.csdn.net/detail/ljgstudy/7557693 (PS: Need 1 points, many points of the Great God Mercy ha ~)2:http://pan.baidu.com/s/1iwkgy (free points)2. Install the DOSBo
The concept of scope in JS:It indicates the region where variables or functions work. It refers to the context in which they are executed, that is, the context execution environment. There are only two types of Javascript scopes: global and local scopes. Local scopes are differentiated by functions.First, let's look at several questions:1.Copy codeThe Code is as follows:If (true ){Var aa = "bb ";}Console. log (aa); // bbFor (var I = 0; I // Do}Console
The concept of scope in JS:
It indicates the region where variables or functions work. It refers to the context in which they are executed, that is, the context execution environment. There are only two types of Javascript scopes: global and local scopes. Local scopes are differentiated by functions.
First, let's look at several questions:
1.Copy codeThe Code is as follows: if (true ){Var aa = "bb ";}Console. log (aa); //
Let's talk about the basics:The file location is as follows:1. Judge whether it is a file or a directoryVar_dump (FileType ("./aa/bb/cc.txt"));Output: String (4) "File"Output: String (3) "Dir"2. Determine if it is a file (return ture)Var_dump (Is_file ("./aa"));output bool (FALSE)3. Determine if it is a directory (return ture)Var_dump (Is_dir ("./aa"));Output: bool (TRUE)4, the file access, creation and modification timeecho Date ("Y-m-d h:i:s", Filea
Full-Text IndexingBuild method:--Create a full-text index on the key field of the articles collection Db.articles.ensureIndex ({key: "text"})--Key_1,key_ in the articles collection 2 Create full-text index on field db.articles.ensuereIndex ({key_1: "text", Key_2: "Text"})-- Create a full-text index on all fields of the articles collection Db.articles.ensuereIndex ({"$**": "Text"})--Create a full-text index on the article field in the Articles collection > Db.articles.ensureIndex ({"article": "Te
// 8
A js (Part 2) that allows you to draw lines, polygon, circles, fills, and other functions at Will on the page)
Function mkov2d (left, top, width, height){VaR S = This. Stroke;Width + = s-1;Height + = s-1;VaR A = width> 1, B = height> 1,Wod = width 1, Hod = (Height 1) + 1,Cx = left + A, Cy = Top + B,X = 0, y = B,AA = (A * A) St = (AA> 1) * (1-(B Tt = (BB> 1)-aa * (B If (S-4 {VaR ox = 0, oy = B,W, H,Pxl, PXR, pxt, pxb, pxw;While (Y> 0){If (ST {St
Access supports join operations on three or more tables. However, brackets must be added and join operations must be performed on one layer. For example:
Select *
From (AA left join BB on AA. A = BB. a) left join CC on CC. A = BB.;
I saw Zhu Kai's reply and tried it. No problem. Thank you, Zhu Kai! I am sorry to mislead you. Correct the following:
Previous er
), not all and (-webkit-min-device-pixel-ratio:0) {. Opera {property : value; } }@media screen and (max-device-width:480px) {. Iphone-or-mobile-s-webkit {Property:value}}}
5.button Reset CSS style compatible IE6,IE7
button in the IE6, IE7 compatibility, need to recharge CSS for overflow:visible
6. Let IE6 support Max-width,min-width
. sector{max-width:500px _width:expression (documentelement.clientwidth>500)? 500px ":" Auto ");
min-width:300px; _width:expression ((documentelement.clientwidt
Original link click Open link Compatibility range: Ie:6.0+,firefox:2.0+,opera 10.0+,sarari 3.0+,chrome Reference:
List of common compatible tags for each tour:
Mark
IE6
IE7
IE8
FF
Opera
Sarari
[*+>
√
√
X
X
X
X
_
√
X
X
X
X
X
\9
√
√
√
X
X
X
The
X
X
√
X
√
X
@media screen and (-webkit-min-device-pixel-ratio:0)
(), for example
var a = [' A ', ' B ', ' C ', ' d ', ' e ', ' f ', ' G ', [11,22,33]];Alert (A.join ("*")); -> A * b * c * d * e * f * g * 11,22,33
The array inside the array, and no use * connection
Pop
Deletes the last element of the array and returns the element
var a = ["AA", "BB", "CC"];document.write (A.pop ()); -> ccdocument.write (a); -> AA, BB
If the array is empty, returns the undefined
Pu
Create, configure, and manage SQL Server information on Global AzureA lot of recent documentation on Azure has been written about how to configure and manage SQL Server information on Windows Azure today, and our experiment today is still done with global azure; in fact, SQL on Windows Azure The server structure is similar to local, except that SQL Server data created on Azure does not have the system default administrator privileges, such as the need to specify the database administrator inform
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