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We can just do simple replacement of separators from space to new line, as following example. echo $sentence | tr " " "\n" It'll split the value of the variable sentence and show it line by line respectively.

getfunc() { declare -f "$@" } function func(){ echo "I am a sample function" } funcd="$(getfunc func)" getfunc func # or echo "$funcd" Output: func () { echo "I am a sample function" }

Create a simple DataFrame. import numpy as np import pandas as pd # Set the seed so that the numbers can be reproduced. np.random.seed(0) df = pd.DataFrame(np.random.randn(5, 3), columns=list('ABC')) # Another way to set column names is "columns=['column_1_name','column_2_name','c...

To check which process running on port 8080 lsof -i :8080

To download a file from remote server to the local machine - type: scp tom@server2:$HOME/file.txt /local/machine/path/ This example shows how to download the file named file.txt from user tom's home directory to our local machine's current directory.

ps -e | less ps -e shows all the processes, its output is connected to the input of more via |, less paginates the results.

~$ ping -c 1 google.com # unmodified output PING google.com (16.58.209.174) 56(84) bytes of data. 64 bytes from wk-in-f100.1e100.net (16.58.209.174): icmp_seq=1 ttl=53 time=47.4 ms ~$ ping google.com | grep -o '^[0-9]\+[^()]\+' # modified output 64 bytes from wk-in-f100.1e100.net 64 bytes from...

There is a mantra that some Java experts are wont to recite: "Exceptions should only be used for exceptional cases." (For example: http://programmers.stackexchange.com/questions/184654 ) The essence of this is that is it is a bad idea (in Java) to use exceptions and exception handli...

String types like UnicodeString, AnsiString, WideString and UTF8String are stored in a memory using their respective encoding (see String Types for more details). Assigning one type of string into another may result in a conversion. Type string is designed to be encoding independent - you should nev...

Use same UIImage with multiple theme base app by just applying UIColor to UIImage instance as following. // *** Create an UIImage instance with RenderingMode AlwaysTemplate *** UIImage *imgMenu = [[UIImage imageNamed:@"iconMenu"] imageWithRenderingMode:UIImageRenderingModeAlwaysTemplate]...

.intel_syntax noprefix .data .align 16 hello_msg: .asciz "Hello, World!" .text .global _main _main: push rbp mov rbp, rsp lea rdi, [rip+hello_msg] call _puts xor rax, rax leave ret Assemble: clang main.s -o hello ./hello Not...

$sku = 'some-sku'; $productId = Mage::getModel('catalog/product')->getIdBySku($sku); if($productId){ //sku exists }

A for loop iterates from the starting value down to the ending value inclusive, as a "count-down" example. program CountDown; {$APPTYPE CONSOLE} var i : Integer; begin for i := 10 downto 0 do WriteLn(i); end. Output: 10 9 8 7 6 5 4 3 2 1 0

Internal Table Declaration Based on Local Type Definition " Declaration of type TYPES: BEGIN OF ty_flightb, id TYPE fl_id, dat TYPE fl_date, seatno TYPE fl_seatno, firstname TYPE fl_fname, lastname TYPE fl_lname, fl...

Read, write and insert into internal tables with a header line: " Read from table with header (using a loop): LOOP AT i_compc_all. " Loop over table i_compc_all and assign header line CASE i_compc_all-ftype. " Read cell ftype from header line from table i_com...

In order to avoid a divide by zero with a numberSet (what you get after a reduction like avg()) you can short-circuit the logic: $five = min(q("sum:rate{counter,,1}:haproxy.frontend.hrsp{}{status_code=5xx}", "1h", "")) $two = avg(q("sum:rate{counter,,1}:haproxy.f...

With series operations, things are dropped from the left side if there is no corresponding timestamp/datapoint in the right side. You can mix this with the dropbool function to avoid divide by zero: $five = q("sum:rate{counter,,1}:haproxy.frontend.hrsp{}{status_code=5xx}", "1h",...

Creating a WebM video from canvas frames and playing in canvas, or upload, or downloading. Example capture and play canvas name = "CanvasCapture"; // Placed into the Mux and Write Application Name fields of the WebM header quality = 0.7; // good quality 1 Best < 0.7 ok to poor fps =...

The ServiceLoader is a simple and easy to use built-in mechanism for dynamic loading of interface implementations. With the service loader - providing means for instantation (but not the wiring) - a simple dependency injection mechanism can be built in Java SE. With the ServiceLoader interface and ...

As shown in the step by step guide (getting started with Amazon Redshift),it involves : Step 1: Set Up Prerequisites Step 2: Launch a Sample Amazon Redshift Cluster Step 3: Authorize Access to the Cluster Step 4: Connect to the Sample Cluster Setting Up Prerequisites Sett...