pi symbol copy paste

"@", such: $age=@{} Operations similar to arrays are as follows: Copy codeThe Code is as follows: Query $ Age ["MaRui"] Add (Note: assign values when adding values; otherwise, no new entries will be added)$ Age ["Ma"] = 24 Modify$ Age ["Ma"] = 25 Delete (Note: use parentheses)$ Age. remove ("Ma") Clear hash table$ Age. clear () The content of this section is very simple. Thank you for taking the time to browse my blog! After that, someone a

"=53 Similar to arrays, there are also the following actions: Copy Code code as follows: Inquire $age ["Marui"] Add (note that the increment must be assigned at the same time, otherwise no new entries will be added)$age ["Ma"]=24 Modify$age ["Ma"]=25 Delete (note, use parentheses)$age. Remove ("Ma") Clear Hash Table$age. Clear () The content of this section is very simple, just here. Thank you for ta

Increase the copy and paste capabilities of Emacs. By defining several replication functions, copy the relevant data to the delete ring, and then define the shortcut keys for those functions. Paste can be implemented with Ctrl+y. The present. The Emacs file reads as follows: (setq initial-frame-alist ' (0) (left. 0) (

is equivalent to the normal mode after highlighting the selected text."V" or "Shift+v": The visual line pattern selected by the behavior unit;"Ctrl + V": a block-based visual block mode for selection;2. Multi-line simultaneous annotation Press CTRL + V to enter the column mode; Select the line you want to annotate at the beginning of the row; Press "I" to enter insert mode; Then enter the comment symbol ("//", "#", etc.); Pre

Trouble: During office usage, many annoying copy pastework.for example, there is such text in the.doc file to ensure that multiple files are consistent with the content of a specific information, xiao Bai and Xiao Zhang are responsible for project planning and execution *. when this information is mentioned in the DOC file or multiple Word documents at the same time, this brings about a potential headache, that is, when the person in charge changes,

Transferred from: http://www.2cto.com/os/201307/227903.html Vim Use series: Register and copy paste bufferIt is now possible to skillfully use most of Vim's basic commands and functions for Project code development, but during the development of the project, there are still some operational inefficiencies, such as the large-scale movement of the cursor through H/J/K/L, and it is clear that VIM provides a mo

For my computer, the centos6.3 system is installed. The operation process is as follows: 1. After Entering the X Window, select "device"> "Install enhancement" in the virtualbox software menu" 2. An optical drive symbol appears on the desktop, indicating that the optical drive is successfully loaded. 3. Open the terminal, enter the/media folder, and you will see a file named vboxadditions. 4. The Super User runs sh vboxlinuxadditions. Run. The content

You can now use most of Vim's basic commands, function to develop project code, but in the development process of the project, still feel some operation efficiency is low, for example through h/j/k/l to carry on the large-scale movement of the cursor this kind of operation, obviously vim provides more efficient command operation way. The most recent work that needs to be done is to copy, paste, search and r