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How to design a product table for many kinds of product where each product has many parameters
...LOB allows you to store the attributes specific to each product type. You can use fancy Design Patterns to describe this, such as Facade and Memento. But regardless you have a blob of attributes that can't be easily queried within SQL; you have to fetch the whole blob back to the application and s...
What is Ember RunLoop and how does it work?
...s about it. I am interested in understanding better how RunLoop works so I can choose appropriate method within its name space, when I have to defer execution of some code for later time.
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load and execute order of scripts
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If you aren't dynamically loading scripts or marking them as defer or async, then scripts are loaded in the order encountered in the page. It doesn't matter whether it's an external script or an inline script - they are executed in the order th...
Using IQueryable with Linq
... IQueryable<T> (with a provider that supports things correctly), you can save a lot of resources.
For example, if you're working against a remote database, with many ORM systems, you have the option of fetching data from a table in two ways, one which returns IEnumerable<T>, and one whi...
ReactJS: Modeling Bi-Directional Infinite Scrolling
Our application uses infinite scrolling to navigate large lists of heterogenous items. There are a few wrinkles:
3 Answers
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Pointers vs. values in parameters and return values
...big structs or structs you'll have to change, and otherwise pass values, because getting things changed by surprise via a pointer is confusing.
One case where you should often use a pointer:
Receivers are pointers more often than other arguments. It's not unusual for methods to modify the thin...
Clang optimization levels
...er (+1), clang additionally runs some higher level optimizations, which we can retrieve with:
echo 'int;' | clang -xc -O3 - -o /dev/null -\#\#\#
Documentation of individual passes is available here.
With version 6.0 the passes are as follow:
baseline (-O0):
opt sets: -tti -verify -ee-ins...
Checkout one file from Subversion
...not possible to check out a single file. The finest level of checkouts you can do is at the directory level."
19 Answers
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Git Tag list, display commit sha1 hashes
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To get git tags with the SHA1 hash of the Tag object, you can run:
git show-ref --tags
The output will then look something like:
0e76920bea4381cfc676825f3143fdd5fcf8c21f refs/tags/1.0.0
5ce9639ead3a54bd1cc062963804e5bcfcfe1e83 refs/tags/1.1.0
591eceaf92f99f69ea402c4ca639605e6096...
Canvas width and height in HTML5
Is it possible to fix the width and height of an HTML5 canvas element?
4 Answers
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