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How can I convert ereg expressions to preg in PHP?
...ns (ereg) are deprecated since PHP 5.3.0, I'd like to know an easy way to convert the old expressions to PCRE (Perl Compatible Regular Expressions) (preg) .
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Get object by id()? [duplicate]
...s the hexadecimal representation of id(a), in order to use ctypes one must convert it back to decimal by using int(hexid, 0). just my two cents here
– architectonic
Mar 18 '16 at 9:07
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What's the correct way to convert bytes to a hex string in Python 3?
What's the correct way to convert bytes to a hex string in Python 3?
9 Answers
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Cannot add or update a child row: a foreign key constraint fails
...roblem, thanks for the tip. Here's a link to MySQL documentation on how to convert tables from MyISAM to InnoDB dev.mysql.com/doc/refman/5.7/en/… TLDR: ALTER TABLE table_name ENGINE=InnoDB;
– Guilherme Vaz
Sep 25 '17 at 20:41
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Is it possible only to declare a variable without assigning any value in Python?
...than any numbers I compared it against. I ended up just initializing it at sys.maxint
– TJ Biddle
May 29 '12 at 17:41
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Why does “_” (underscore) match “-” (hyphen)?
...ext. e.g. inside a LIKE statement. When replacing all _ with an - : UPDATE sys_file set identifier = REPLACE(identifier, '_', '-') WHERE identifier LIKE '%\_%';. Notice the escaping inside LIKE and no escaping inside REPLACE. (I find it strange though that you are not in a pattern context inside rep...
Convert line-endings for whole directory tree (Git)
...esn't specify what its behavior is if you invoke it on binary files. If it converts CRLF in binary files, it will corrupt them. See my answer for a safer, albeit longer alternative.
– toolbear
Sep 23 '11 at 19:11
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Get current directory name (without full path) in a Bash script
...uys like me. Maybe there is one out there? It could have a crotchity old sys admin saying stuff like, "back in my day we only sh and csh and if you wanted the backspace key to work you had to read the whole stty man page, and we liked it!"
– Red Cricket
Oct 3...
Convert Bitmap to File
I understand that using BitmapFactory can convert a File to a Bitmap, but is there any way to convert a Bitmap image to a File?
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Illegal mix of collations MySQL Error
...e CHARACTER SET utf8 COLLATE utf8_general_ci;
ALTER TABLE your_table_name CONVERT TO CHARACTER SET utf8 COLLATE utf8_general_ci;
MySQL sneaks swedish in there sometimes for no sensible reason.
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