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Objective-C : BOOL vs bool

...It also means that this example code will run differently on different platforms (tested it myself): int myValue = 256; BOOL myBool = myValue; if (myBool) { printf("i'm 64-bit iOS"); } else { printf("i'm 32-bit iOS"); } BTW never assign things like array.count to BOOL variable because abo...
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How does Python's super() work with multiple inheritance?

...ttempts). In your example, Third() will call First.__init__. Python looks for each attribute in the class's parents as they are listed left to right. In this case, we are looking for __init__. So, if you define class Third(First, Second): ... Python will start by looking at First, and, if Fi...
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Benchmarking (python vs. c++ using BLAS) and (numpy)

... extensive use of BLAS and LAPACK linear algebra functionalities. Since performance is an issue I did some benchmarking and would like know, if the approach I took is legitimate. ...
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Calendar Recurring/Repeating Events - Best Storage Method

... Storing "Simple" Repeating Patterns For my PHP/MySQL based calendar, I wanted to store repeating/recurring event information as efficiently as possibly. I didn't want to have a large number of rows, and I wanted to easily lookup all events that would take place...
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What is the purpose of the single underscore “_” variable in Python?

What is the meaning of _ after for in this code? 5 Answers 5 ...
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SQL Add foreign key to existing column

...sing the following SQL command in SQL Server 2008 to update a table with a foreign key constraint: 6 Answers ...
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Why would one use nested classes in C++?

Can someone please point me towards some nice resources for understanding and using nested classes? I have some material like Programming Principles and things like this IBM Knowledge Center - Nested Classes ...
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How to connect android emulator to the internet

...answers may have addressed this, however obliquely, but here's what worked for me. Assuming your problem is occurring when you're on a wireless network and you have a LAN card installed, the issue is that the emulator tries to obtain its DNS settings from that LAN card. Not a problem when you're co...
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ElasticSearch: Unassigned Shards, how to fix?

...if you've disabled shard allocation (perhaps you did a rolling restart and forgot to re-enable it), you can re-enable shard allocation. # v0.90.x and earlier curl -XPUT 'localhost:9200/_settings' -d '{ "index.routing.allocation.disable_allocation": false }' # v1.0+ curl -XPUT 'localhost:9200/_...
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How do I analyze a program's core dump file with GDB when it has command-line parameters?

... crash scenario is shown in GDB (checked with GDB version 7.1 on Ubuntu). For example: $ ./crash -p param1 -o param2 Segmentation fault (core dumped) $ gdb ./crash core GNU gdb (GDB) 7.1-ubuntu ... Core was generated by `./crash -p param1 -o param2'. <<<<< See this line shows crash ...