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MySQL, Check if a column exists in a table with SQL
... This is nicer than the "SHOW COLUMNS" approach below as can be used in parameterized queries reducing the risk of SQL injection. Just wanted to add you can use the DATABASE() function to populate the TABLE_SCHEMA column.
– Andrew
Jul 16 '18 at 10:08
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Getting the name of the currently executing method
... to retrieve all other information of the method including annotations and parameter names. This makes it possible to distinguish between specific methods with the same name (method overload).
Note that according to the JavaDoc of getEnclosingMethod() this trick should not throw a SecurityException...
git - diff of current changes before committing
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It didn't occur to me to invoke git diff with no params. Thanks!
– kikito
Mar 6 '12 at 13:13
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What does inverse_of do? What SQL does it generate?
...seful. You can still generate a User @user with his association @user.role(params[:role_id]) so that saving the user would not result in a failing validation of the Assignment model.
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SQL - Query to get server's IP address
...remote connections) so just thought to clarify what the ConnectionProperty params meant. Of course Chris Leonard's answer (dm_exec_connections) also is correct, for the same reasons. If you think my addendum is better off as separate answer than feel free to make it so :) Haven't answered Qs for a w...
retrieve links from web page using python and BeautifulSoup [closed]
...l-parks")
soup = BeautifulSoup(resp, parser, from_encoding=resp.info().get_param('charset'))
for link in soup.find_all('a', href=True):
print(link['href'])
or the Python 2 version:
from bs4 import BeautifulSoup
import urllib2
parser = 'html.parser' # or 'lxml' (preferred) or 'html5lib', if...
Preventing scroll bars from being hidden for MacOS trackpad users in WebKit/Blink
WebKit/Blink's (Safari/Chrome) default behaviour on MacOS since 10.7 (Mac OS X Lion) is to hide scroll bars from trackpad users when they're not in use. This can be confusing ; the scroll bar is often the only visual cue that an element is scrollable.
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Simplest way to detect a mobile device in PHP
...d|t)|pdxg|pg(13|\-([1-8]|c))|phil|pire|pl(ay|uc)|pn\-2|po(ck|rt|se)|prox|psio|pt\-g|qa\-a|qc(07|12|21|32|60|\-[2-7]|i\-)|qtek|r380|r600|raks|rim9|ro(ve|zo)|s55\/|sa(ge|ma|mm|ms|ny|va)|sc(01|h\-|oo|p\-)|sdk\/|se(c(\-|0|1)|47|mc|nd|ri)|sgh\-|shar|sie(\-|m)|sk\-0|sl(45|id)|sm(al|ar|b3|it|t5)|so(ft|ny)|...
How to create an array from a CSV file using PHP and the fgetcsv function
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Btw, you can add optional params to fgetcsv for changing delimiter, enclosure character etc.
– Manu Manjunath
Nov 27 '12 at 6:38
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How do I enter RGB values into Interface Builder?
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Thanks for the tip! Random question, what software did you use to write over that screenshot? Nice addition.
– Sheehan Alam
Apr 2 '10 at 4:48
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