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Multiple file upload in php

...ave multiple="multiple" or just multiple In your PHP file use the syntax "$_FILES['inputName']['param'][index]" Make sure to look for empty file names and paths, the array might contain empty strings. Use array_filter() before count. Here is a down and dirty example (showing just relevant code) ...
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Socket.IO - how do I get a list of connected sockets/clients?

...lients('room'); anymore. Instead you can use the following var clients_in_the_room = io.sockets.adapter.rooms[roomId]; for (var clientId in clients_in_the_room ) { console.log('client: %s', clientId); //Seeing is believing var client_socket = io.sockets.connected[clientId];//Do whatever y...
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Referring to the null object in Python

...t;> NoneType = type(None) >>> id(None) 10748000 >>> my_none = NoneType() >>> id(my_none) 10748000 >>> another_none = NoneType() >>> id(another_none) 10748000 >>> def function_that_does_nothing(): pass >>> return_value = function_that_...
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(this == null) in C#!

... { base..ctor(new Func<string>(Program.Derived.<.ctor>b__0)); return; } [CompilerGenerated] private static string <.ctor>b__0() { string CS$1$0000; CS$1$0000 = CS$1$0000.CheckNull(); Label_0009: return CS$1$0000; } ...
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angular.service vs angular.factory

...t = myFactory.getArtist(); }); app.factory('myFactory', function(){ var _artist = 'Shakira'; var service = {}; service.getArtist = function(){ return _artist; } return service; }); 2) When you’re using Service, Angular instantiates it behind the scenes with the ‘new’ keywor...
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HAproxy - Web负载均衡解决方案 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...参数的设置 log 127.0.0.1 local0 info # log语法:log <address_1>[max_level_1] # 全局的日志配置,使用log关键字,指定使用127.0.0.1上的syslog服务中的local0日志设备,记录日志等级为info的日志 user haproxy group haproxy # 设置运行hapro...
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Cosine Similarity between 2 Number Lists

...sed on numpy only from numpy import dot from numpy.linalg import norm cos_sim = dot(a, b)/(norm(a)*norm(b)) share | improve this answer | follow | ...
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Python mysqldb: Library not loaded: libmysqlclient.18.dylib

... a slightly different spot: sudo ln -s /usr/local/mysql-5.5.29-osx10.6-x86_64/lib/libmysqlclient.18.dylib /usr/lib/libmysqlclient.18.dylib – Matt Apr 2 '14 at 16:35 ...
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super() fails with error: TypeError “argument 1 must be type, not classobj” when parent does not inh

...nk your python version is 2.X, the super would work when adding this code __metaclass__ = type so the code is __metaclass__ = type class B: def meth(self, arg): print arg class C(B): def meth(self, arg): super(C, self).meth(arg) print C().meth(1) ...
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How to convert CFStringRef to NSString?

...e using ARC, the new casting syntax is as follows: NSString *aNSString = (__bridge NSString *)aCFString; works as well. The key thing to note is that CoreFoundation will often return objects with +1 reference counts, meaning that they need to be released (all CF[Type]Create format functions do th...