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How to evaluate http response codes from bash/shell script?
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Simulate delayed and dropped packets on Linux
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327
netem leverages functionality already built into Linux and userspace utilities to simulate netw...
Bash empty array expansion with `set -u`
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The only safe idiom is ${arr[@]+"${arr[@]}"}
This is already the recommendation in ikegami's a...
“INSERT IGNORE” vs “INSERT … ON DUPLICATE KEY UPDATE”
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how do you filter pandas dataframes by multiple columns
... sub-statements with ():
males = df[(df[Gender]=='Male') & (df[Year]==2014)]
To store your dataframes in a dict using a for loop:
from collections import defaultdict
dic={}
for g in ['male', 'female']:
dic[g]=defaultdict(dict)
for y in [2013, 2014]:
dic[g][y]=df[(df[Gender]==g) &...
Check if string contains only whitespace
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322
Use the str.isspace() method:
Return True if there are only whitespace characters in the strin...
Reload django object from database
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As of Django 1.8 refreshing objects is built in. Link to docs.
def test_update_result(self):
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What are the nuances of scope prototypal / prototypical inheritance in AngularJS?
...he nuances, scope inheritance is normally straightfoward... until you need 2-way data binding (i.e., form elements, ng-model) in the child scope. Ng-repeat, ng-switch, and ng-include can trip you up if you try to bind to a primitive (e.g., number, string, boolean) in the parent scope from inside th...
How do I terminate a thread in C++11?
... one is getting the target thread to throw this exception.
Options 1 and 2 don't leak intra-process resources, but they terminate every thread.
Option 3 will probably leak resources, but is partially cooperative in that the target thread has to agree to throw the exception.
There is no portable ...
How to initialise memory with new operator in C++?
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edited Jun 20 at 9:12
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answered Feb 5 '10 at 0:57
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