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How to import data from mongodb to pandas?
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pymongo might give you a hand, followings are some codes I'm using:
import pandas as pd
from pymongo import MongoClient
def _connect_mongo(host, port, username, password, db):
""" A util for making a connection to mongo """
if username and password:
mon...
Is there any advantage of using map over unordered_map in case of trivial keys?
A recent talk about unordered_map in C++ made me realize that I should use unordered_map for most cases where I used map before, because of the efficiency of lookup ( amortized O(1) vs. O(log n) ). Most times I use a map, I use either int or std::string as the key type; hence, I've got...
MySQL and GROUP_CONCAT() maximum length
...ecute("SET SESSION group_concat_max_len = ..."); inside the Dao initialize method but as keatkeat has stated, this is only temporary. If anyone knows the right way to make this change permanently pls let me know
– IcedDante
Nov 18 '14 at 22:42
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Autocompletion in Vim
...matic code completion as you type.
2015 Edit: I personally use YouCompleteMe now.
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JQuery to check for duplicate ids in a DOM
... already discovered three places where I have duplicate IDs. it frustrates me slightly that most peoples solution to this problem is to use 'firebug' or 'html validator'. thats not good enough! i want to catch the unexpected duplicates in wierd situations.
– Simon_Weaver
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How to take a screenshot programmatically on iOS
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Django template how to look up a dictionary value with a variable
...nary[key] it will raise a KeyError then.)
usage:
{{ mydict|get_item:item.NAME }}
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Splitting string into multiple rows in Oracle
I know this has been answered to some degree with PHP and MYSQL, but I was wondering if someone could teach me the simplest approach to splitting a string (comma delimited) into multiple rows in Oracle 10g (preferably) and 11g.
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How do I pre-populate a jQuery Datepicker textbox with today's date?
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Update: There are reports this no longer works in Chrome.
This is concise and does the job (obsolete):
$(".date-pick").datepicker('setDate', new Date());
This is less concise, utilizing chaining allows it to work in chrome (2019-06-04):
$(".date-pick").datepicker().datepick...
How can I recursively find all files in current and subfolders based on wildcard matching?
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Use find for that:
find . -name "foo*"
find needs a starting point, and the . (dot) points to the current directory.
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