
linux - What is double dot(..) and single dot(.)? - Stack Overflow
On Unix-like operating systems every directory contains, as a minimum, an object represented by a single dot and another represented by two successive dots. The former refers to the directory itself and the latter refers to its parent directory (i.e., the directory that contains it).
Regex allow digits and a single dot - Stack Overflow
Regarding this \D only allows digits, but it doesn't allow a dot, I need it to allow digits and one dot this is refer as a float value I need to be valid when doing a keyup function in jQuery, but all I need is the regex that only allows what I need it to allow.
How to plot a single point in matplotlib - Stack Overflow
I'd like to plot a single point on my graph, but it seems like they all need to plot as either a list or equation. I need to plot like ax.plot(x, y) and a dot will be appeared at my x, y coordinates on my graph.
windows - What are "." and ".." in a directory? - Super User
The single dot . is useful in linux where you want to run an executable in the current directory so you type ./a.out because the command shell by default doesn't search the current directory for executable files (for security reasons). The single dot . is also used if you want to pass the current directory as an argument to a command.
Are the ‘dot’ and ‘dot dot’ files in Unix and Linux real files?
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What is the double-dot operator (..) in Javascript?
Nov 18, 2010 · It is indeed E4X. It does the same thing as the single dot operator, which selects children, but it selects all descendants. (It's by analogy with XPath's / operator selecting children of an element that match the selector and // selecting all descendants that match the selector.)
Regex to allow only a single dot in a textbox - Stack Overflow
Jul 31, 2014 · I have one text input. I wrote a regex for masking all special characters except . and -. Now if by mistake the user enters two . (dots) in input, then with the current regex var valueTest='225.....
Allow only numbers and dot in script - Stack Overflow
Mar 21, 2012 · Am using this javascript for restrict users to type only numbers and only one dot as decimal separator. <script type="text/javascript"> function fun_AllowOnlyAmountAndDot(txt) { ...
Add a single dot below each character using CSS
Jun 8, 2017 · I found some solutions for putting dots below the text (white dots below HTML text), but I don't want "dotted underlining", I want every character to have just a single dot below it. Also the dot should increase with the font-size of the text (although if …
SMTP dot stuffing.. when and where to do it? - Stack Overflow
Aug 11, 2014 · In SMTP protocol the mail is terminated by a single dot and a newline character(s) In simple terms something like: \r\n.\r\n. The characters: CR LF DOT CR LF. Which corresponds to a single dot at the beginning of a line. In case the mail data contains a single .