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Collected Ros firewall scripts

# Feb/18/2006 22:28:00 by routeros 2.9.2.7 QQ "415736 # Software id = 83re-sn0#/IP firewall filterAdd chain = input connection-state = Invalid action = drop \Comment = "discard illegal connection packets" Disabled = NoAdd chain = input protocol = tcp dst-Port = 80 connection-Limit = 90, 0 action = drop \Comment = "limit the total number of HTTP connections to 90" Disabled = NoAdd chain = input protocol = tcp psd = 21,3 S, 3,1 action = drop \Comment

Golang GC Optimization thinking and Case analysis

+1165+0.13 ms Clock, 0.47+62 4/1158/0+0.27 MS CPU, 471->579->323 MB, 589 MB goal, 4 PGC @48.252s 13%: 0.26+1410+0.14 ms Clock, 0.52+358/1336/9 .9+0.28 MS CPU, 506->620->343 MB, 646 MB goal, 4 PGC, @50.942s 13%: 0.27+806+0.51 ms Clock, 0.55+403/805/200+1.0 m s CPU, 549->657->340 MB, 687 MB goal, 4 PGC @53.014s 13%: 0.10+857+0.36 ms Clock, 0.21+467/851/94+0.73 MS CPU, 54 6->666->351 MB, 681 MB goal, 4 P GC 45: Represents the 45th GC, with a total of 4

Ros performs url jump to 2345 promotion script

Ros performs url jump to 2345 promotion scriptI believe everyone knows about the promotion of 2345. Therefore, you can use your job title in an enterprise or Internet cafe. the whole script is used. Of course there are still many other jobs that haven't been added. Let's modify them by yourself.Script content: /ip firewall filteradd action=add-dst-to-address-list address-list=tall address-list-timeout=\ 2w1d chain=forward comment=\ "\B8\FC\B6\E0

Image processing class for image processing, including adding watermarks and generating thumbnails

storage path, default is empty, indicating in the current directory* @return*/Public function watermark ($image, $water, $postion =9, $path = ") {Get source map and watermark picture information$DST _info = getimagesize ($image);$water _info = getimagesize ($water);$DST _w = $dst _info[0];$DST _h = $

Official RouterOS firewall script

connections "disabled = no Add chain = input protocol = tcp connection-limit = 3,32 src-address-list = black_list \ Action = tarpit comment = "suppress DoS attack" disabled = no Add chain = input protocol = tcp connection-limit = 10, 32 \ Action = add-src-to-address-list = black_list \ Address-list-timeout = 1d comment = "detect DoS attack" disabled = no Add chain = input dst-address-type =! Local action = drop comment = "drop all that is \ Not to l

PHP classes that implement thumbnails and watermarks

can be placed in the array several times as follows * @param $protected parameter values * Array ( * ' Waterrate ' =>0.2, * ' water_mark ' = './water.png ', * ' Water_mark_pos ' =>4, * ' Smallpic_mode ' =>1 * ); * @return Ture/false */ Public Function Set_args ($arg, $val = "") { $params = Array (' waterrate ', ' Water_mark ', ' water_mark_pos ', ' smallpic_mode ', ' watermode ', ' width ', ' height '); if (Is_array ($arg)) {

Picture Shrink print PHP class

several times as follows * @param $protected parameter values * Array ( * ' Waterrate ' =>0.2, * ' water_mark ' = './water.png ', * ' Water_mark_pos ' =>4, * ' Smallpic_mode ' =>1 * ); * @return Ture/false */ Public Function Set_args ($arg, $val = "") { $params = Array (' waterrate ', ' Water_mark ', ' water_mark_pos ', ' smallpic_mode ', ' watermode ', ' width ', ' height '); if (Is_array ($arg)) { foreach ($arg as $k =

PHP cropping pictures

GD Library to open/*** Author:smallchicken* time:2009 June 8 16:46:05* Mode 1: Forced cropping, generate images in strict accordance with the need, not enlarge, over cropping, the picture is always covered* Mode 2: and 1 similar, but not when the General Assembly produces filler, can be removed with PNG.* Mode 3: Only zoom, not crop, retain all picture information, will produce filler,* Mode 4: Only zoom, not crop, keep all picture information, generate picture size for final scaled picture effe

PHP Generate thumbnail class

}* @param int thumbnail width {0: At this point the target height cannot be 0, the target width is source plot width * (target height/source graph height)}* @param int thumbnail height {0: At this point the target width cannot be 0, the target height is source graph high * (target width/source wide chart)}* @param int Trim {Wide, height must not 0}* @param int/float Scaling {0: No scaling, 0* @return Boolean*/function Img2thumb ($src _img, $dst _img,

Examples of common file manipulation functions for Shutil modules in Python

Shutil.copyfile (SRC,DST)Copy file content, is not feeling the above file duplication is very troublesome? You also need to open the file with your own hand, which is not needed here, in fact, CopyFile called the Copyfileobj def copyfile (SRC, DST, *, follow_symlinks=true): if _samefile (SRC, DST): raise Samefileerror ("{!r} and {!r} are T He same file ". Fo

Example of common file operation functions of the shutil module in Python

: break fdst.write(buf) Note! Fsrc and fdst are all file objects and must be opened before copying. import shutilf1=open('name','r')f2=open('name_copy','w+')shutil.copyfileobj(f1,f2,length=16*1024) 2 shutil. copyfile (src, dst)Is it difficult to copy the file content? You also need to manually use the open function to open the file, which is not needed here. In fact, copyfile calls copyfileobj. def copyfile(src,

In-memory copy function (c + + memcpy) in C + +

Prototype: void*memcpy (void*dest, const void*src,unsigned int count);Function: the memory area referred to by SRC is copied from count bytes to the memory area of Dest.Description: The memory area referred to by SRC and dest cannot overlap, and the function returns a pointer to Dest.Example://memcpy.c#include #includestring.h>Main () {Char*s="Golden Global View"; Chard[ -]; CLRSCR (); memcpy (D,s,strlen (s)); D[strlen (s)]=0; printf ("%s", D); GetChar (); return 0; } This func

Example of common file operation functions of the shutil module in Python,

+')shutil.copyfileobj(f1,f2,length=16*1024) 2 shutil. copyfile (src, dst)Is it difficult to copy the file content? You also need to manually use the open function to open the file, which is not needed here. In fact, copyfile calls copyfileobj. def copyfile(src, dst, *, follow_symlinks=True): if _samefile(src, dst): raise SameFileError("{!r} and {!r} are the s

Examples of common file operation function usages for shutil modules in Python _python

(f1,f2,length=16* 1024) 2 Shutil.copyfile (SRC,DST)Copy file content, is not feeling the above file copy very troublesome? You also need to use the Open function in your own hand, you don't need it here, in fact, CopyFile called the Copyfileobj def copyfile (SRC, DST, *, follow_symlinks=true): if _samefile (SRC, DST): raise Samefileerror ("{!

PHP Generate thumbnail image

/*** Generate thumbnail image* @param string Source graph absolute full address {with file name and suffix name}* @param string Target graph absolute full address {with file name and suffix name}* @param int thumbnail width {0: At this point the target height cannot be 0, the target width is the source plot width * (target height/source graph height)}* @param int thumbnail height {0: At this time the target width cannot be 0, the target height is the source graph high * (target width/source wide

Matrix operations in the OPENCV

There are many functions have mask, representing the mask, if a bit mask is 0, then the corresponding src of the one does not calculate, mask to and matrix/roi/size equalMost functions support ROI, and if the image ROI is set, then only the ROI portion is processedA few functions support COI, if COI is set, only the channel of interest is processedMatrix logical Operationsvoid Cvand (const cvarr* SRC1, const cvarr* SRC2, cvarr* DST, const cvarr* mask=

Evolution of high-quality code)

Write a function, move the memory, and write a simple test case for it for testing. Is it simple enough? Some people quickly wrote the answer. For details, see program list 1 and program list 2. Program list 1 v0.1 programs Void mymemmove (char * DST, char * SRC, int count) { While (count --) { * DST ++ = * SRC ++; } } Procedure List 2 Test Cases Void test () { Char P1 [256] = "Hello, world !"; Char P2 [25

C ++ memory copy function details

One function that completes memory movement and writes a simple test case for it for testing. Is it simple enough? Some people quickly wrote the answer. For details, see program list 1 and program list 2. Program list 1V0.1 Program Void mymemmove (char * DST, char * SRC, int count) { While (count --) { * DST ++ = * SRC ++; } } Program list 2Test Cases Void test () { Char P1 [256] = "Hello, world !"; Char

Python Shutil Module

Shutil ModuleAdvanced files, folders, Compression pack processing modulesCopyfileobjShutil.copyfileobj (FSRC, fdst[, length])Copy the contents of the file to another file, which can be part of the contentdef copyfileobj (FSRC, FDST, length=16*1024): "" " copy data from File-like object FSRC to File-like object Fdst" "" W Hile 1: buf = fsrc.read (length) if not buf: break fdst.write (BUF)CopyFileShutil.copyfile (SRC, DST

C ++ memory copy function (C ++ memcpy)

Prototype: void * memcpy (void * DEST, const void * SRC, unsigned int count ); Function: copy count bytes from the memory area indicated by Src to the memory area indicated by DeST. Note: the memory areas specified by Src and DEST cannot overlap. The function returns a pointer to DeST. Example: // memcpy.c #include The following functions are implemented by yourself: Program list 1 v0.1 programs void MyMemMove(char *dst,cha

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