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Retain cycle on `self` with blocks
...ck, either use a property instead or use bself->ivar.
Addendum: When compiling as ARC, __block no longer breaks retain cycles. If you're compiling for ARC, you need to use __weak or __unsafe_unretained instead.
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Naming returned columns in Pandas aggregate function? [duplicate]
...f.columns.ravel()]
For example:
import pandas as pd
import pandas.rpy.common as com
import numpy as np
data = com.load_data('Loblolly')
print(data.head())
# height age Seed
# 1 4.51 3 301
# 15 10.89 5 301
# 29 28.72 10 301
# 43 41.74 15 301
# 57 52.70 20 301
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What's the difference between dependencies, devDependencies and peerDependencies in npm package.json
...ore 3.0: are always installed if missing, and raise an error if multiple incompatible versions of the dependency would be used by different dependencies.
expected to start on 3.0 (untested): give a warning if missing on npm install, and you have to solve the dependency yourself manually. When runnin...
Best way to represent a Grid or Table in AngularJS with Bootstrap 3? [closed]
...
After trying out ngGrid, ngTable, trNgGrid and Smart Table, I have come to the conclusion that Smart Table is by far the best implementation AngularJS-wise and Bootstrap-wise. It is built exactly the same way as you would build your own, naive table using standard angular. On top of that, th...
What integer hash function are good that accepts an integer hash key?
...er that is in the order of your hash size (2^32 in the example) and has no common factors with it. This way the hash function covers all your hash space uniformly.
Edit: The biggest disadvantage of this hash function is that it preserves divisibility, so if your integers are all divisible by 2 or b...
How to parse a string to an int in C++?
...onvert the string "11x" to integer "11".
See more: http://en.cppreference.com/w/cpp/string/basic_string/stol
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How to detect incoming calls, in an Android device?
I'm trying to make an app like, when a call comes to the phone I want to detect the number. Below is what I tried, but it's not detecting incoming calls.
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windows service vs scheduled task
...stall them as Windows Services instead.
Whatever you choose I certainly recommend you separate out your processing code into a different component from the console app or Windows Service. Then you have the choice, either to call the worker process from a console application and hook it into Windows...
Volatile Vs Atomic [duplicate]
...AtomicInteger uses some special utilities -- specifically including Unsafe.compareAndSwapInt -- to do more powerful concurrent operations safely.
– Louis Wasserman
Nov 2 '13 at 17:21
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How to change the name of a Django app?
...s.py files.
Edit the database table django_content_type with the following command: UPDATE django_content_type SET app_label='<NewAppName>' WHERE app_label='<OldAppName>'
Also if you have models, you will have to rename the model tables. For postgres use ALTER TABLE <oldAppName>_m...