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Is there a timeout for idle PostgreSQL connections?
...th <idle> in transaction sessions, but with too many connections overall.
Killing connections is not the right answer for that, but it's an OK-ish temporary workaround.
Rather than re-starting PostgreSQL to boot all other connections off a PostgreSQL database, see: How do I detach all other ...
Read a zipped file as a pandas DataFrame
... you want to read a zipped or a tar.gz file into pandas dataframe, the read_csv methods includes this particular implementation.
df = pd.read_csv('filename.zip')
Or the long form:
df = pd.read_csv('filename.zip', compression='zip', header=0, sep=',', quotechar='"')
Description of the compr...
How can I change a secret Gist to public?
... @VonC my bad, I wanted to write "(only Secret -> Public)". So basically you can only make public a gist that was previously private. When it is public it will stay public.
– GiDo
Jul 7 '16 at 16:28
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Get current time as formatted string in Go?
...
All the other response are very miss-leading for somebody coming from google and looking for "timestamp in go"! YYYYMMDDhhmmss is not a "timestamp".
To get the "timestamp" of a date in go (number of seconds from january 1970...
jQuery.ajax handling continue responses: “success:” vs “.done”?
... weeks now and I saw two different ways to 'continue' the script once the call has been made: success: and .done .
3 Ans...
endsWith in JavaScript
...
UPDATE (Nov 24th, 2015):
This answer is originally posted in the year 2010 (SIX years back.) so please take note of these insightful comments:
Shauna - Update for Googlers - Looks like ECMA6 adds this function. The MDN article also shows a polyfill. https://developer.m...
Git merge without auto commit
... FYI: If you want to merge the changes and then commit as if you had manually typed all of the changes you merged in (as opposed to a traditional merge) you need to run rm .git/MERGE_HEAD afterward, which will force git to forget that the merge happened.
– Jonn
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What's valid and what's not in a URI query?
...t are delimited by characters in the "reserved" set. These characters are called "reserved" because they may (or may not) be defined as delimiters by the generic syntax, by each scheme-specific syntax, or by the implementation-specific syntax of a URI's dereferencing algorithm. If data for a URI com...
Is object empty? [duplicate]
...uming that by empty you mean "has no properties of its own".
// Speed up calls to hasOwnProperty
var hasOwnProperty = Object.prototype.hasOwnProperty;
function isEmpty(obj) {
// null and undefined are "empty"
if (obj == null) return true;
// Assume if it has a length property with a ...
Pip install Matplotlib error with virtualenv
... install libpng-dev
sudo apt-get install libfreetype6-dev
Ubuntu https://apps.ubuntu.com/cat/applications/libpng12-0/
or using following command
sudo apt-get install libpng12-0
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