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Is there any way to prevent input type=“number” getting negative values?

...esponds to 0 through 9 on the Number Row; and 8 is Backspace. So this script is preventing invalid key from being entered in input. share | improve this answer | follow...
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SQLAlchemy default DateTime

...as part of the CREATE TABLE statement. For example, if you write an ad hoc script against this table, using server_default means you won't need to worry about manually adding a timestamp call to your script--the database will set it automatically. Understanding SQLAlchemy's onupdate/server_onupdate ...
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Get program execution time in the shell

... #!/bin/bash START=$(date +%s) # do something # start your script work here ls -R /etc > /tmp/x rm -f /tmp/x # your logic ends here END=$(date +%s) DIFF=$(( $END - $START )) echo "It took $DIFF seconds" s...
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How to copy a directory structure but only include certain files (using windows batch files)

... I needed to copy all photos from folders and subfolders, this batch script helped. Just changed the line set FILENAMES_TO_COPY=data.zip info.txt above to set FILENAMES_TO_COPY=*.jpg – Kai Noack May 8 '16 at 20:48 ...
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Cloning a MySQL database on the same MySql instance

I would like to write a script which copies my current database sitedb1 to sitedb2 on the same mysql database instance. I know I can dump the sitedb1 to a sql script: ...
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How to add a local repo and treat it as a remote repo

... I am posting this answer to provide a script with explanations that covers three different scenarios of creating a local repo that has a local remote. You can run the entire script and it will create the test repos in your home folder (tested on windows git bash)...
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How can I create directories recursively? [duplicate]

... But that's not Python, it's a shell script! If you can write a solution in Python that's pretty simple, and even portable, do it that way. ;) – Rosh Oxymoron May 14 '11 at 19:16 ...
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Validation of radio button group using jQuery validation plugin

...ary" type="submit" value="Create" id="create"/> and jQuery code- <script> $(document).ready(function () { $('#create').click(function(){ var gender=$('#Gender').val(); if ($("#Gender:checked").length == 0){ $('.GenderValidation').text(...
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Sleeping in a batch file

...nstalling it (it has other uses too :), just create the following sleep.py script and add it somewhere in your PATH: import time, sys time.sleep(float(sys.argv[1])) It will allow sub-second pauses (for example, 1.5 sec, 0.1, etc.), should you have such a need. If you want to call it as sleep rathe...
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What is Python used for? [closed]

... must be done explicitly. This is different from, for example, Perl or Javascript, where you have weak typing, and can write things like "hello" + 5 to get "hello5". Python is object oriented, with class-based inheritance. Everything is an object (including classes, functions, modules, etc), in the ...