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Can I use CoffeeScript instead of JS for node.js?
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Coffeescript + ExpressJS + Couchdb + Redis + Auth:
https://gist.github.com/652819
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How to Correctly handle Weak Self in Swift Blocks with Arguments
...e section from the manual on using strong, weak, and unowned in closures:
https://developer.apple.com/library/content/documentation/Swift/Conceptual/Swift_Programming_Language/AutomaticReferenceCounting.html
Note: I used the term closure instead of block which is the newer Swift term:
Difference ...
不同品牌的防火墙组成高可靠性集群 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...种方法
利用linux的策略路由
网上查找的参考资料
http://www.cnblogs.com/gunl/archive/2010/09/14/1826234.html
知识准备
一、原理说明
1、路由表（table）从0到255进行编号，每个编号可以对应一个别名，编号和别名的对应关系在linux下放...
Does JavaScript have the interface type (such as Java's 'interface')?
...ful.
You can try out using a Proxy (It's standard since ECMAScript 2015): https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Proxy
latLngLiteral = new Proxy({},{
set: function(obj, prop, val) {
//only these two properties can be set
if(['lng','lat'...
Lock-free multi-threading is for real threading experts
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Joe Duffy's book:
http://www.bluebytesoftware.com/books/winconc/winconc_book_resources.html
He also writes a blog on these topics.
The trick to getting low-lock programs right is to understand at a deep level precisely what the rules of the memory ...
Quickly create large file on a Windows system
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Check out RDFC http://www.bertel.de/software/rdfc/index-en.html
RDFC is probably not the fastest, but it does allocate data blocks. The absolutely fastest would have to use lower level API to just obtain cluster chains and put them into MFT with...
What does -1 mean in numpy reshape?
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numpy.reshape(a,newshape,order{})
check the below link for more info.
https://docs.scipy.org/doc/numpy/reference/generated/numpy.reshape.html
for the below example you mentioned the output explains the resultant vector to be a single row.(-1) indicates the number of rows to be 1.
if the
a = ...
How can I import a database with MySQL from terminal?
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Directly from var/www/html
mysql -u username -p database_name < /path/to/file.sql
From within mysql:
mysql> use db_name;
mysql> source backup-file.sql
sh...
Difference between map and collect in Ruby?
...Actually they are documented in the same place under ruby-doc.org:
http://www.ruby-doc.org/core/classes/Array.html#M000249
ary.collect {|item| block } → new_ary
ary.map {|item| block } → new_ary
ary.collect → an_enumerator
ary.map → an_enumerator
Invokes block once for ...
Type List vs type ArrayList in Java [duplicate]
...urn a list of the same type.
For example of someone getting burned, in https://stackoverflow.com/a/1481123/139985 the poster had problems with "slicing" because ArrayList.sublist(...) doesn't return an ArrayList ... and he had designed his code to use ArrayList as the type of all of his list var...