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Why are elementwise additions much faster in separate loops than in a combined loop?
...rmance isn't completely uniform. Accessing 4-ways is still slower than say 2-ways.
EDIT: It does in fact look like you are allocating all the arrays separately.
Usually when such large allocations are requested, the allocator will request fresh pages from the OS. Therefore, there is a high chance th...
What is the precise meaning of “ours” and “theirs” in git?
...nstance, instead of the above, you might do:
git checkout ours
git merge 1234567
where you're merging by raw commit-ID. Worse, you can even do this:
git checkout 7777777 # detach HEAD
git merge 1234567 # do a test merge
in which case there are no branch names involved!
I think it's ...
How to express infinity in Ruby?
...
If you use ruby 1.9.2, you can use:
>> Float::INFINITY #=> Infinity
>> 3 < Float::INFINITY #=> true
Or you can create your own constant using the following*:
I've checked that in Ruby 1.8.6, 1.8.7, and 1.9.2 you have Floa...
How do I detect the Python version at runtime? [duplicate]
... the Python runtime to know the version which it is running (for example, 2.6 or 3.2.x )?
9 Answers
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Create a new database with MySQL Workbench
...ew to MySQL, I have installed the latest version of the MySQL Workbench (5.2.33). I would like to know how you can create a database with this application. In the Overview tab of the SQL editor there are few "MySQL Schema" displayed, are these schemas the existing databases?
...
Laravel Eloquent: How to get only certain columns from joined tables
I have got 2 joined tables in Eloquent namely themes and users.
15 Answers
15
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Genymotion, “Unable to load VirtualBox engine.” on Mavericks. VBox is setup correctly
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edited Dec 26 '19 at 6:37
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ans...
Twitter's typeahead.js suggestions are not styled (have no border, transparent background, etc.)
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213
So looking into the docs I now see:
By default, the dropdown menu created by typeahead.js ...
Centering text in a table in Twitter Bootstrap
... <th>1</th>
<th>1</th>
<th>2</th>
<th>2</th>
<th>2</th>
<th>2</th>
<th>3</th>
<th>3</th>
<th>3</th>
<th>3</th>
...
