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Arrays, heap and stack and value types
...s of memory (assuming a 32-bit word size). The field I in each case takes 4 bytes to store its value, the field S takes 4 bytes to store its reference, and the field L takes 8 bytes to store its value. So the memory for the value of both RefType and ValType looks like this:
0 ┌─────...
Version number comparison in Python
...t mycmp("1", "1") == 0
assert mycmp("2.1", "2.2") < 0
assert mycmp("3.0.4.10", "3.0.4.2") > 0
assert mycmp("4.08", "4.08.01") < 0
assert mycmp("3.2.1.9.8144", "3.2") > 0
assert mycmp("3.2", "3.2.1.9.8144") < 0
assert mycmp("1.2", "2.1") < 0
assert mycmp("2.1", "1.2") > 0
assert ...
Best data type to store money values in MySQL
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edited Jun 26 '17 at 14:05
answered Oct 23 '12 at 12:26
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The provider is not compatible with the version of Oracle client
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edited Jun 26 '17 at 19:46
Matt
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answered...
Rails: How to reference images in CSS within Rails 4
There's a strange issue with Rails 4 on Heroku. When images are compiled they have hashes added to them, yet the reference to those files from within CSS don't have the proper name adjusted. Here's what I mean. I have a file called logo.png. Yet when it shows up on heroku it is viewed as:
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Genymotion, “Unable to load VirtualBox engine.” on Mavericks. VBox is setup correctly
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144
I had the same problem and solved it by running the following command:
sudo /Library/StartupIt...
How to add MVC5 to Visual Studio 2013?
...t, and would like to give a try to MVC 5 (I have built a web app using MVC 4 before).
8 Answers
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How can I start PostgreSQL server on Mac OS X?
....log?
Make sure tcp localhost connections are enabled in pg_hba.conf:
# IPv4 local connections:
host all all 127.0.0.1/32 trust
Check the listen_addresses and port in postgresql.conf:
egrep 'listen|port' /usr/local/var/postgres/postgresql.conf
#listen_addresses = 'localhost' # Wh...
How to set up fixed width for ?
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For Bootstrap 4.0:
In Bootstrap 4.0.0 you cannot use the col-* classes reliably (works in Firefox, but not in Chrome).
You need to use OhadR's answer:
<tr>
<th style="width: 16.66%">Col 1</th>
<th style="width: 2...
Big O, how do you calculate/approximate it?
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1486
I'll do my best to explain it here on simple terms, but be warned that this topic takes my stu...