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swift - CocoaAsyncSocket: Error creating iOS UDP socket when dispatch_sync(socketQueue, block) is called -

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i write ios swift app connects udp server locally. here code wrote using library called cocoaasyncsocket , when run it crash. i haven't found similar high level api in apple. thing found documentation suggest higher level api. would able point me towards better library or towards resolving bug get? import uikit import cocoaasyncsocket class outputsocket: nsobject, gcdasyncudpsocketdelegate { var serverip = "127.0.0.1" var port:uint16 = 10000 var socket:gcdasyncudpsocket! override init(){ super.init() setupconnection() } func setupconnection(){ socket = gcdasyncudpsocket(delegate: self, delegatequeue: dispatchqueue.main) { try socket.bind(toport: self.port) } catch { print("binding error: ", error.localizeddescription) } let addressdata = serverip.data(using: string.encoding.utf8) { try socket.connect(toaddress:...

Docker for nginx and php-fpm -

i'm getting started docker , docker-compose my first step build stack 2 containers : 1 nginx , 1 php-fpm with config, it's working version: '3.3' services: web: image: nginx ports: - "9090:80" volumes: - ./conf/default.conf:/etc/nginx/conf.d/default.conf:ro - ./content:/usr/share/nginx/html:ro links: - php php: image: php:7.1.8-fpm volumes: - ./content:/usr/share/nginx/html:ro in /content have both index.html , phpinfo.php i can both pages in browser. but don't understand why have put pages in both containers ? if don't put volume php service , index.html displaying not phpinfo.php (file not found.) if don't put volume web service , nginx index.html displaying not phpinfo.php (404 error). so if want deploy wordpress site have copy files in both containers ? bad configuration. practice separate process...

sql server - pandas + pyodbc ODBC SQL type -150 is not yet supported -

i know there many topics on think specific. current code audit purpose: import pandas pd import pyodbc query = """ --top 50 high total cpu queries select top 50 'high cpu queries' type, serverproperty('machinename') 'server name', isnull(serverproperty('instancename'),serverproperty('machinename')) 'instance name', coalesce(db_name(qt.dbid), db_name(cast(pa.value int)), 'resource') dbname, qs.execution_count [execution count], qs.total_worker_time/1000 [total cpu time], (qs.total_worker_time/1000)/qs.execution_count [avg cpu time], qs.total_elapsed_time/1000 [total duration], (qs.total_elapsed_time/1000)/qs.execution_count [avg duration], qs.total_physical_reads [total physical reads], qs.total_physical_reads/qs.execution_count [avg physical reads], qs.total_logical_reads [total logical reads], qs.total_logical_reads/qs.execution_count [avg logical ...

doctrine - Symfony: Ordered one-to-many relationship -

i have 2 separate entities want link one-to-many relationship. want relationship ordered, meaning every time call on first entity, elements of second entity come in pre-ordered way. cannot use 'order by' calls because order has nothing fields of second entity. thought having 1 field of first entity array of entities, i'm not sure how accomplish either.. edit so far have this: /** * @orm\onetomany(targetentity="fusiondesign\blogbundle\entity\element", mappedby="page") */ private $elements; and /** * @orm\manytoone(targetentity="fusiondesign\blogbundle\entity\page", inversedby="elements") * @orm\joincolumn(name="page_id", referencedcolumnname="id") */ private $page; i'm aware can put "order whatever asc" somewhere in there orders according column in element, , that's not need, because element entities , page entities never persisted @ same time, nor same process. want constructi...

excel - Code Skipping Second Cell, Not Supposed To -

this code part of bigger code takes words listbox , places listbox, code separates words in listbox , establishes words able inserted cell, reason second strsplt not showing, else working well, it's one, need , there no error thrown out. i've looked on f8 , breakpoints , problem seems if ii < .columncount - 1 str = str & .list(i, ii) & vbcrlf else str = str & .list(i, ii) end if the whole code: with me.selecteditems thisworkbook.sheets(9).range("a:b").clearcontents = 0 .listcount - 1 if .selected(i) found = true ii = 0 .columncount - 1 redim strsplt(0 i) if str = "" str = .list(i, ii) & vbcrlf else if ii < .columncount - 1 str = str & .list(i, ii) & vbcrlf else str = str & .list(i, ii) end if ...

android - Cannot acces ActivityCompatApi23 when trying to use FragmentActivity -

i'm trying use viewpager on smartwatch, keep getting error when trying rebuild/run/debug application. i'm using fragmentactivity, error occurs. searched stackoverflow , tutorial websites see problem, , lot of results related build.gradle files. tried pretty stumbled upon, error didn't change once. the error: error: cannot acces activitycompatapi23 the error happens on line, coming piece of code below. public class wearmainactivity extends fragmentactivity { wearmainactivity.java package be.ehb.dt.finalwork_lievenluyckx_v001; import android.os.bundle; import android.support.v4.app.fragment; import android.support.v4.app.fragmentactivity; import android.support.v4.view.pageradapter; import android.support.v4.view.viewpager; import java.util.list; import java.util.vector; /** * created lieven on 14/08/17. */ public class wearmainactivity extends fragmentactivity { private pageradapter pageradapter; /* (non-javadoc) * @see android.support....

sapui5 - Filtering a binding: Property <query> not found in type <Entity> -

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the error right, there no property named because that's search query. don't see what's going on, i've implemented filters search queries before. error occurs before call made odata service. onsearchqualification: function(evt){ // create model filter var filters = []; var query = evt.getparameter("query"); if (query && query.length > 0) { var filter = new sap.ui.model.filter("title", sap.ui.model.filteroperator.contains, query); filters.push(filter); } // update list binding var list = evt.osource.getparent().getparent(); //this.getview().byid("qualificationselectionlist"); var binding = list.getbinding("items"); binding.filter(filters); //this._olist.getbinding("items").filter(afilters, "application"); }, the <items> aggregation <list> element missing.