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Windows equivalent of the 'tail' command
...the total number of lines in the file):
for /l %l in (1,1,10) do @for /f "tokens=1,2* delims=:" %a in ('findstr /n /r "^" filename ^| findstr /r "^%l:"') do @echo %b
Where "10" is the number of lines you want to print, and "filename" is the name of the file.
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Set a cookie to never expire
Looking at the php documentation on setting a cookie I see that I can set an expiration date for the cookie. You can set the cookie to expire at the end of the browser session or at some time in the future but I do not see a way to set the cookie to never expire. Is this even possible and how is...
How do I log errors and warnings into a file?
...ile, but to set up all of that within the script (not changing anything in php.ini)?
7 Answers
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How do I include a file over 2 directories back?
... a file that is more than 2 directories back. I know you can use ../index.php to include a file that is 2 directories back, but how do you do it for 3 directories back?
Does this make sense?
I tried .../index.php but it isn't working.
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PHP Warning: POST Content-Length of 8978294 bytes exceeds the limit of 8388608 bytes in Unknown on l
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8388608 bytes is 8M, the default limit in PHP. Update your post_max_size in php.ini to a larger value.
upload_max_filesize sets the max file size that a user can upload while
post_max_size sets the maximum amount of data that can be sent via a POST in a form.
So y...
Regex Last occurrence?
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In a Tempered Greedy Token, the dot should always come after the lookahead: (?:(?!\\).)+. (ref) Also, your example on RegExr uses two backslashes to separate path components; there should be only one, and the regex should match only one. (demo)
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How to pop an alert message box using PHP?
How to pop an alert message box using PHP?
8 Answers
8
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What is the difference between single-quoted and double-quoted strings in PHP?
I'm a little confused why I see some code in PHP with string placed in single quotes and sometimes in double quotes.
12 Ans...
Split a string by spaces — preserving quoted substrings — in Python
...'"a test"']
It leaves constructs like aaa"bla blub"bbb together as these tokens are not separated by spaces. If the string contains escaped characters, you can match like that:
>>> a = "She said \"He said, \\\"My name is Mark.\\\"\""
>>> a
'She said "He said, \\"My name is Mark....
Using braces with dynamic variable names in PHP
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Overview
In PHP, you can just put an extra $ in front of a variable to make it a dynamic variable :
$$variableName = $value;
While I wouldn't recommend it, you could even chain this behavior :
$$$$$$$$DoNotTryThisAtHomeKids = $value;
Y...