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Delete all records in a table of MYSQL in phpMyAdmin
...raint in the table then those record will not be deleted and will give the error.
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Difference between `set`, `setq`, and `setf` in Common Lisp?
...
(set ls '(1 2 3 4)) => Error - ls has no value
(set 'ls '(1 2 3 4)) => OK
(setq ls '(1 2 3 4)) => OK - make ls to (quote ls) and then have the usual set
(setf ls '(1 2 3 4)) => OK - same as setq so far BUT
(setf (car ls) 10) => Make...
Using jQuery To Get Size of Viewport
...unction() {
if(typeof $=='undefined') {
alert("PROGRAMMER'S Error: you haven't called JQuery library");
} else if (typeof $.ui=='undefined') {
alert("PROGRAMMER'S Error: you haven't installed the UI Jquery library");
}
if(document.doctype==null || screen.heig...
How do I find the location of my Python site-packages directory?
...ysconfig module instead:
python3 -c 'import sysconfig; print(sysconfig.get_paths()["purelib"])'
The per user site-packages directory (PEP 370) is where Python installs your local packages:
python -m site --user-site
If this points to a non-existing directory check the exit status of Python and ...
What is the difference between DSA and RSA?
.../web.archive.org/web/20140212143556/http://courses.cs.tamu.edu:80/pooch/665_spring2008/Australian-sec-2006/less19.html
RSA
RSA encryption and decryption are commutative
hence it may be used directly as a digital signature scheme
given an RSA scheme {(e,R), (d,p,q)}
to sign a message M, compute:
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Sorting a vector of custom objects
...ut sorting a vector containing custom (i.e. user defined) objects.
Probably, standard STL algorithm sort along with a predicate (a function or a function object) which would operate on one of the fields (as a key for sorting) in the custom object should be used.
Am I on the right track?
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Confused about Service vs Factory
...; }; }]); Read more about it here: docs.angularjs.org/tutorial/step_05
– JustGoscha
Oct 2 '14 at 17:33
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Localization and internationalization, what's the difference?
...tionalization - it is when developer does not have in code direct messages/error messages/buttons names/labels captions/etc in certain language but have a key which is passed to translation function,
and translation function according to current user's locale will return final text in english/franc...
How to set up a cron job to run an executable every hour?
...e
path_to_exe >> log_file
to see the output of your command
also errors can be redirected with
path_to_exe &> log_file
also you can use
crontab -l
to check if your edits were saved.
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How to print the full traceback without halting the program?
...ke data that can be readily used in the NumPy library. There are tons of errors this file encounters through bad links, poorly formed XML, missing entries, and other things I've yet to categorize. I initially made this program to handle errors like this:
...