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What does `kill -0 $pid` in a shell script do?
...defunct (i.e. Zombie).
More explicitly, a useful function for your shell scripts would be:
function isProcess ()
{
kill -s EXIT $1 2> /dev/null
}
This returns no text to stdout upon success, but an error message to stderr upon failure (but I have redirected that error message to /dev/nul...
What is the size limit of a post request?
...5' id='hs5'>
<input type='hidden' name='hd' id='hd'>
Using any script (JavaScript or JScript),
document.getElementById("hd").value = document.getElementById("hs1").value+"@"+document.getElementById("hs2").value+"@"+document.getElementById("hs3").value+"@"+document.getElementById("hs4")....
What is a user agent stylesheet?
...ch. Worth noted that in my case I had that doctype declaration but I had a script before. It looks like the DOCTYPE must happen first thing in the page to enter into consideration.
– Sebas
Nov 8 '15 at 18:25
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When should I use Write-Error vs. Throw? Terminating vs. non-terminating errors
Looking at a Get-WebFile script over on PoshCode, http://poshcode.org/3226 , I noticed this strange-to-me contraption:
6 A...
Converting a UNIX Timestamp to Formatted Date String
... divide part. Otherwise the date defaults to 1970.
– Script47
Apr 29 '18 at 16:11
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Can Powershell Run Commands in Parallel?
I have a powershell script to do some batch processing on a bunch of images and I'd like to do some parallel processing. Powershell seems to have some background processing options such as start-job, wait-job, etc, but the only good resource I found for doing parallel work was writing the text of a...
Generate a random number in the range 1 - 10
...[ID](
[IDN] [int] IDENTITY(1,1) NOT NULL,
[ID] [int] NULL)
INSERTING THE SCRIPT :
INSERT INTO [SearchIndex]([Cursor]) SELECT N'INSERT INTO ID SELECT FLOOR(rand() * 9 + 1) SELECT COUNT (ID) FROM ID
CREATING AND EXECUTING THE PROCEDURE:
CREATE PROCEDURE [dbo].[RandNumbers] AS
BEGIN
Declare ...
Uint8Array to string in Javascript
...ve some UTF-8 encoded data living in a range of Uint8Array elements in Javascript. Is there an efficient way to decode these out to a regular javascript string (I believe Javascript uses 16 bit Unicode)? I dont want to add one character at the time as the string concaternation would become to CPU in...
What specific productivity gains do Vim/Emacs provide over GUI text editors?
...
For Vim:
Vim has better integration with other tools (shell commands, scripts, compilers, version control systems, ctags, etc.) than most editors. Even something simple like :.!, to pipe a command's output into a buffer, is something you won't find in most GUI editors.
A tabbed interface is no...
Linux command: How to 'find' only text files?
...e any text file types that have no 'text' in the string of its mime type description?
– datasn.io
Jan 22 '11 at 11:58
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