undelete utility

} ' f Ilename13. Interlaced removalAwk ' {if (nr%2==1) {print}} ' F Ilename14. Total number of rows with more than 5 printed fieldsAwk-f: ' Begin{num=0;} {if (nf>=5) {num++;}} END {print num;} ' f Ilename15. Write an awk script to count the various types of files in/dev#!/bin/awk-fbegin{Ff=0Dd=0Bb=0Cc=0Pp=0Ss=0Ll=0}{if ($ ~/^-/)｛ff++｝if ($ ~/^p/)｛pp++｝if ($ ~/^b/)｛bb++｝if ($ ~/^/)｛Cc++｝if ($ ~/^d/)｛dd++｝if ($ ~/^l/)｛ll++｝if ($ ~/^s/){s++｝}end{Print "f ile:", F FPrint "directory:", DDPrint "Chara

as using the package installation plugin. ESC exits the cursor multi-line selection, exits the search box, command box, and so on. Display class Ctrl+tab Toggles the tab of the current window in the order in which the files were browsed. Ctrl+pagedown Toggles the tab of the current window to the left. Ctrl+pageup Toggles the tab of the current window to the right. alt+shift+1 window split screen, restore the default 1 screen (non-keypad number) Alt+sh

be written to disk immediately. It is also possible to lose some of the modifications to the persistence of the AOF mode. The configuration file tells Redis the time we want to write to disk via the Fsync function os5. Publish and subscribe to messagesA Publish Subscription (PUB/SUB) is a message communication pattern that is primarily designed to decouple the coupling between a message publisher and a message subscriber, and Redis acts as a pub/sub server, which functions as a message route be

the usage status of memory and swap-M: in megabytes-G: in gigabytesMkswap: Creating Swap partitionsmkswap [option] DEVICE-L ' LABEL 'Swapon: Enable swap partitionswapon [option] [DEVICE]-A: Activate all swap partitions-P Priority: set its precedence;Swapoff: Disable swap partitionswapoff [option] [DEVICE]A view of space occupancy information such as file systems:Df:disk Free-h:human-readableNumber of-i:inode-P: Output in POSIX-compatible formatDu:disk usage-h:human-readable-s:summaryFile system

TAB key to automatically generate 　　2010 |2012 | 2013Break it up and readThe above plugins are my favorite extension, in addition, Vscommands, Resharper is also a good extension, but vscommands normal version (free) Most of the features are also available in Productivity Power Tools, and Features that are not available in Productivity Power Tools, such as auto-hiding Visual Studio menus, packaging project files, are either a little bit of a problem or a feature that is rarely used for me. and R

Today when doing a data export, found that the exported data is empty causes the conversion error, how do we determine the DataTable table column data Book is empty? Please look at the following code ...Private void Export (string FilePath, DataTable DT){.....for (int i=0;i{Before you judge an old error: object is not referenced to the display columnBecause dt[i]["OrderNo"] is empty at all, cannot tostring ();String orderno=dt[i]["OrderNo"]. Tostring () = = ""? " ":d T. row[i]["OrderNo"]. Tostri

Create a repository archive by using Repository Creation utility1. Create with Repository Creation utility1.1 Using the downloaded RCUHttp://www.oracle.com/technetwork/middleware/data-integrator/downloads/index.html1.2 Using Middleware\oracle_home\oracle_common\bin\rcu.bat or rcu.sh (easiest) after installing the ODI2. Use the ODI studio menu bar to createCreate Archive1. Navigate to the \oracle\middleware\oracle_home\oracle_common\bin directory and start RCU.Referencehttp://docs.oracle.com/midd

operation to a file pointed to by the FP int fflush (int fp) Move the position of the file pointer to the beginning of the file int rewind (int fp) Returns the pointer offset bit (offset) value for the file FP. Returns False when an error occurs int ftell (int fp) Moves the file FP pointer to the specified offset bit (offset). When FP is opened by fopen () http://... Or ftp://... This function is invalid when you wait for a URL file int fseek (int fp,int offset) Reads the file and writes the fi

menu:private void Datagridview2_cellmousedown (object sender, DataGridViewCellMouseEventArgs e) { if (E.button = = Mousebuttons.right) { if (e.rowindex >= 0) { if (E.columnindex = =-1) return; if (Datagridview2.rows[e.rowindex]. Selected = = False) { datagridview2.clearselection (); Datagridview2.rows[e.rowindex]. Selected = true;

= "_blank" >.*If [-Z $dead _region_servers];thenecho "[OK] all regionservers are healthy."echo "[OK] all regionservers are healthy." >> $outputElseecho "[Abnormal] the dead regionserver list:" >> $outputecho $dead _region_servers >> $outputExit $STATE _criticalFi# HDFS UsageDfs_remaining= ' curl-s http://${hadoop_web_interface}:50070/dfshealth.jsp |egrep-o "DFS Remaining%.*%" | Egrep-o "[0-9]*\. [0-9]* "'Dfs_remaining_word= "DFS remaining%: ${dfs_remaining}%"echo "$dfs _remaining_word" >> $outpu

character.CONV = Ublock Converts the fixed bit into a change bit.CONV = UCase Converts the letter from lowercase to uppercase.CONV = LCase converts letters from uppercase to lowercase.CONV = Notrunc does not truncate the output file.CONV = swab swaps each pair of input bytes.CONV = NoError does not stop processing when an error occurs.Conv = sync puts the size of each input record to the size of the IBS (filled with nul).Iconv Command usage:Iconv [Options ...] [File ...]Input/output format spec

appeared!Summary: 1. Double-click, 2. Take color, 3.Ecs, 4.ctrl+vDownload the tool in the attachment or download it to http://www.geligreat.com/thread-154-1-1.htmlMy technology sharing space:http://www.geligreat.com/ Welcome everyone to the top of the popularhave a little bit. http://www.geligreat.com/forum-51-1.html is a can let you relax, let you throw away a day of trouble, with a smile home, to bring a happy Holy Land for the family!This article is from the "Give Force great" blog, please b

First, Introduction Baidu Encyclopedia Portal: "Mind Mapping" Second, software 1, Mindjet Portal: Official website All the people I have seen use this, but the charges are, please support the genuine!There is no money, please use the xmind described below 2, XMind (recommended) Portal: official website, download page I use this, there is a paid version, but I use the free version is sufficient. 3, the other Can Baidu Iii. Xmind Simp

Librame utility 3.5.12.0508------------------------------------------- 1. Corrected libramesettings. defaultwatermarkoptions configuration error (mistaken for defaultthumbnailmaxsize configuration). [thanks to "Amateurs"]2. optimized the ffmpeghelper Assistant to support large video files. [thanks to "amateurs"]3. Remove the base class of the cacherbase cache;4. Change libramehelper (librame Assistant) to librameenvironment (librame runtime environme

requires us to do it manually.11) Global Search for the old item name comes out of the interface, we click in to change the name:Click to automatically jump to this interface, double-click the value of the change (the following steps to rename the same):After the changes, you have to change something. Don't ask why it's so troublesome, just because of caprice.Note: Continue the global search substitution until the old name is not found in the global search!12) Open the project folder and contin

GLUT (pronounced like the glut in glutony) is the OpenGL utility toolkit, a window system independent toolkit for writing OpenGL programs. it implements a simple drawing wing application programming interface (API) for OpenGL. GLUT makes it considerably easier to learn about and drawing e OpenGL programming. GLUT provides a portable API so you can write a single OpenGL program that works using SS all PC and workstation OS platforms. Glut is designed

blockoperation////viewcontroller.swift Import uikitclass viewcontroller:uiviewcontroller {@IBOutlet weak var imag e1:uiimageview! @IBOutlet weak var image2:uiimageview! @IBOutlet weak var image3:uiimageview! @IBOutlet weak var image4:uiimageview! Let imageurls = ["Https://dn-boxueio.qbox.me/image1-big.jpg", "https://dn-boxueio.qbox.me/image2-big.jpg", "Https://dn-boxueio.qbox.me/image3-big.jpg", "https://dn-boxueio.qbox.me/image4-big.jpg"] Overrid e func viewdidload () {su

*/functionScanAll ($dir){ $list=Array(); $list[] =$dir; while(Count($list) > 0) { //pops up the last element of an array $file=Array_pop($list); //working with the current file Echo $file." \ r \ n "; //If the directory if(Is_dir($file)) { $children=Scandir($file); foreach($children as $child) { if($child!== '. ' $child!== ' ... ') { $list[] =$file.‘ /‘.$child; } } } }}?>I do not think there are many disadvantages of recursion, in fact

UIView *oneSubView = [[UIView alloc] init];oneSubView.frame = CGRectMake(50, 50, 100, 100);UIView *twoSubView = [[UIView alloc] init];twoSubView.frame = CGRectMake(50, 200, 20, 20);UIView *threeSubView = [[UIView alloc] init];threeSubView.frame = CGRectMake(200, 200, 50, 50);[self.view batchAddSubview:oneSubView, twoSubView, threeSubView, nil];// or// [self.view batchAddSubviews:@[oneSubView, twoSubView, threeSubView]];No random color debugging is required, you can comment out the following line

1.Border how to write:How to write color:2. Background color How to write: Background part3.css and the expression in the label:4.The style in the P tag above takes effect if both of the above are present5.When there is a conflict, p has only one elemnt,body P is two elemnet, more specific, concrete to take effect.To be effective, write more specifically.6.Class is more important than element because it makes the choice more specific7.The element and id,id weights are greater because the CSS con