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Local variables in nested functions
Okay, bear with me on this, I know it's going to look horribly convoluted, but please help me understand what's happening.
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Can Python print a function definition?
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Functions that are created at runtime (including the interactive prompt) don't have a file or linenumber either, which makes sense
– John La Rooy
Oct 13 '09 at 20:57
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How to change menu item text dynamically in Android
I'm trying to change the title of a menu item from outside of the onOptionsItemSelected(MenuItem item) method.
11 Answers...
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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