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psycopg2: insert multiple rows with one query

... 15 Answers 15 Active ...
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Boolean literals in PowerShell

... 174 $true and $false. Those are constants, though. There are no language-level literals for boole...
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In C++, is it still bad practice to return a vector from a function?

... | edited Nov 12 '14 at 17:16 Mgetz 4,59522 gold badges2828 silver badges4646 bronze badges ...
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How to copy commits from one branch to another?

...ow that lets you do this all by merging: - x - x - x (v2) - x - x - x (v2.1) \ x - x - x (wss) So all you have to do is git checkout v2.1 and git merge wss. If for some reason you really can't do this, and you can't use git rebase to move your wss branch to the right place,...
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Convert unix time to readable date in pandas dataframe

... to be seconds since epoch. In [20]: df = DataFrame(data['values']) In [21]: df.columns = ["date","price"] In [22]: df Out[22]: <class 'pandas.core.frame.DataFrame'> Int64Index: 358 entries, 0 to 357 Data columns (total 2 columns): date 358 non-null values price 358 non-null value...
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Linux bash: Multiple variable assignment

... First thing that comes into my mind: read -r a b c <<<$(echo 1 2 3) ; echo "$a|$b|$c" output is, unsurprisingly 1|2|3 share | improve this answer | follow ...
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How to exclude file only from root folder in Git

... 612 From the documentation: If the pattern does not contain a slash /, git treats it as a shell gl...
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How can I check if a Perl array contains a particular value?

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How do you validate a URL with a regular expression in Python?

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Transpose a data frame

... 109 You'd better not transpose the data.frame while the name column is in it - all numeric values ...