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How to enable mod_rewrite for Apache 2.2
...:
a2enmod rewrite
and then:
service apache2 restart
mod_rewrite will now be enabled!
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What does it mean by select 1 from table?
...not to).
EDIT
There actually is one case which I forgot about until just now. In the case where you are trying to determine existence of a value in the database from an outside language, sometimes SELECT 1 FROM TABLE_NAME will be used. This does not offer significant benefit over selecting an indi...
Difference between two dates in MySQL
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SELECT TIMESTAMPDIFF(HOUR,NOW(),'2013-05-15 10:23:23')
calculates difference in hour.(for days--> you have to define day replacing hour
SELECT DATEDIFF('2012-2-2','2012-2-1')
SELECT TO_DAYS ('2012-2-2')-TO_DAYS('2012-2-1')
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How to read a text file into a list or an array with Python
...line='') as csvfile:
spamreader = csv.reader(csvfile, delimiter=',')
Now, you can easily iterate over spamreader like this:
for row in spamreader:
print(', '.join(row))
See documentation for more examples.
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Jquery bind double click and single click separately
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use .on() over both of those now
– Claudiu
Sep 4 '12 at 15:40
2
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What is the error “Every derived table must have its own alias” in MySQL?
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I understand now. I was also thinking it might have been generated by some code. It should still simplify as Paul and DMKing suggested.
– hometoast
Dec 11 '09 at 15:36
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Display name of the current file in vim?
...[0x23]<code/foo.c 1, 1 2% of 50
Also, as someone mentioned (but now deleted) % will be replaced with the current filename. For example:
:!echo "current file: %"
current file: foo.c
Press ENTER or type command to continue
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Read lines from a file into a Bash array [duplicate]
...a bash array is this:
IFS=$'\n' read -d '' -r -a lines < /etc/passwd
Now just index in to the array lines to retrieve each line, e.g.
printf "line 1: %s\n" "${lines[0]}"
printf "line 5: %s\n" "${lines[4]}"
# all lines
echo "${lines[@]}"
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Get the new record primary key ID from MySQL insert query?
... If, at the point that you do the table1 insert, the database knows all the information that you want to insert into table2, then you could use a trigger to do this, or combine this into a query. If not, then you'd need to use multiple queries - i.e. do it in PHP. It depends on what the ...
How to set a value to a file input in HTML?
...ile input, like here. Of course you need some code to send the file, using now the value in text input and not the file input.
In my case, doing HTA application, that is not a problem, I don't use form at all.
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