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psycopg2: insert multiple rows with one query
I need to insert multiple rows with one query (number of rows is not constant), so I need to execute query like this one:
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Catching multiple exception types in one catch block
...y to obtain the following functionality, to catch AError and BError in one block:
11 Answers
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How to pass command line argument to gnuplot?
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@Chong: Either string them together or give each one in an -e argument, e.g. -e "filename='default.data'; foo='bar'" or -e "filename='default.data'" -e "foo='bar"'.
– Thor
Feb 2 '16 at 16:37
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How can I delete a query string parameter in JavaScript?
...Exp, such as ‘.’. And it's not a global regex, so it would only remove one instance of the parameter.
I wouldn't use a simple RegExp for this, I'd parse the parameters in and lose the ones you don't want.
function removeURLParameter(url, parameter) {
//prefer to use l.search if you have a ...
“[notice] child pid XXXX exit signal Segmentation fault (11)” in apache error.log [closed]
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Attach gdb to one of the httpd child processes and reload or continue working and wait for a crash and then look at the backtrace. Do something like this:
$ ps -ef|grep httpd
0 681 1 0 10:38pm ?? 0:00.45 /Applications/MA...
Eclipse - “Workspace in use or cannot be created, chose a different one.” [duplicate]
... @LucasMalor in my case it wasn't exist, but good addition, may be someone will need it, thanks
– Muhammed Refaat
Jul 1 '15 at 8:10
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Using git, how do I ignore a file in one branch but have it committed in another branch?
...st on how to effectively use the excludesfile for different branches, like one for public github and one for heroku deployment.
Here's the quick and dirty:
$ git branch public_viewing
$ cd .git/
$ touch info/exclude_from_public_viewing
$ echo "path/to/secret/file" > info/exclude_from_public_v...
Regex expressions in Java, \\s vs. \\s+
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The first one matches a single whitespace, whereas the second one matches one or many whitespaces. They're the so-called regular expression quantifiers, and they perform matches like this (taken from the documentation):
Greedy quantif...
Add one row to pandas DataFrame
...ulated DataFrame but I need to create an empty DataFrame then add rows, one by one .
What is the best way to do this ?
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Safest way to convert float to integer in python?
...e more, the number is padded with zeroes on the right.
It follows that 53 ones is the largest number that can be stored without padding. Naturally, all (integer) numbers requiring less digits can be stored accurately.
Adding one to 111(omitted)111 (53 ones) yields 100...000, (53 zeroes). As we kno...