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When is it practical to use Depth-First Search (DFS) vs Breadth-First Search (BFS)? [closed]
...
Nice Explanation from
http://www.programmerinterview.com/index.php/data-structures/dfs-vs-bfs/
An example of BFS
Here’s an example of what a BFS would look like. This is something like Level Order Tree Traversal where we will use QUEUE with ITERA...
Composer Warning: openssl extension is missing. How to enable in WAMP
...Exception]
You must enable the openssl extension to download files via https
I'm using EasyPhp (WAMP type). In the EasyPHP Icon in the taskbar, right click and select configuration then select PHP. I will open the PHP.ini file configuration in a Notepad, search-find or CTRL+F in notepad for t...
Django: Get list of model fields?
...ngo 2.2
Here posts- your app (posts, blog, shop, etc.)
1) From model link: https://docs.djangoproject.com/en/stable/ref/models/meta/
from posts.model import BlogPost
all_fields = BlogPost._meta.fields
#or
all_fields = BlogPost._meta.get_fields()
Note that:
all_fields=BlogPost._meta.get_fields()
W...
Remove an item from array using UnderscoreJS
...arr, _.findWhere(arr, {
id: 3
}));
console.log(arr);
<script src="https://cdnjs.cloudflare.com/ajax/libs/underscore.js/1.8.3/underscore-min.js"></script>
Although, since you are creating a new array in this case anyway, you could simply use _.filter or the native Array.proto...
How to sort an array of objects by multiple fields?
...generic multi feature sorter today. You can have a look at thenBy.js here: https://github.com/Teun/thenBy.js
It allows you to use the standard Array.sort, but with firstBy().thenBy().thenBy() style. It is way less code and complexity than the solutions posted above.
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`ui-router` $stateParams vs. $state.params
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The documentation reiterates your findings here: https://github.com/angular-ui/ui-router/wiki/URL-Routing#stateparams-service
If my memory serves, $stateParams was introduced later than the original $state.params, and seems to be a simple helper injector to avoid continuou...
How to convert a string of bytes into an int?
...B'*len(data_ints), *data_ints) # '\xff\x10\x11'
That * is required!
See https://docs.python.org/2/library/struct.html#format-characters for a list of the format specifiers.
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How to add a string to a string[] array? There's no .Add function
...edited Jul 27 '17 at 13:57
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answered Jan 27 '14 at 9:28
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搭建高可用mongodb集群（一）——配置mongodb - 大数据 & AI - 清泛网 - 专...
...接着弄。
参考：
NoSQL开篇——为什么要使用NoSQL http://www.infoq.com/cn/news/2011/01/nosql-why/
mongodb手册 http://cn.docs.mongodb.org/manual/single/
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mongodb集群
What is a higher kinded type in Scala?
...uctural types without too much syntactic overhead (the #λ-style is due to https://stackoverflow.com/users/160378/retronym afaik):
In some hypothetical future version of Scala that supports anonymous type functions, you could shorten that last line from the examples to:
types (informally) String ...