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language design - Why don't PHP attributes allow functions?

I'm pretty new to PHP, but I've been programming in similar languages for years. I was flummoxed by ... /stackoverflow.com/questions/3960323/why-dont-php-attributes-allow-functions...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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92 views

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How to generate all permutations of a string in PHP?

I need an algorithm that return all possible combination of all characters in one string. I've tried: $langd = ... 2617055/how-to-generate-all-permutations-of-a-string-in-php...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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327 views

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sql - Multiple FULL OUTER JOIN on multiple tables

I have multiple outer joins SELECT A.column2 , B.column2 , C.column2 FROM ( (SELECT month, column2 FROM ... .com/questions/16167902/multiple-full-outer-join-on-multiple-tables...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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187 views

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Is this ternary conditional ?: correct (Objective) C syntax?

I didn't think this was possible but apparently in Objective C it is allowed: int a = b ?: c; ... .com/questions/8760561/is-this-ternary-conditional-correct-objective-c-syntax...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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165 views

1 answer

android - Java socket IOException - permission denied

i am trying to connect to a server on my network running a tcp listener using the following java ... //stackoverflow.com/questions/4074808/java-socket-ioexception-permission-denied...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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178 views

1 answer

SELECT COUNT in LINQ to SQL C#

How can I write LINQ to SQL with COUNT? Example: var purch = from purchase in myBlaContext.purchases select purchase; ... com/questions/6330682/select-count-in-linq-to-sql-c-sharp...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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126 views

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Inspecting Java threads in Linux using top

I am inspecting a Java process in Linux using top -H However, I cannot read the name of the thread ... .com/questions/4764167/inspecting-java-threads-in-linux-using-top...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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140 views

1 answer

android - Navigation Drawer item background colour for selected item

I used Android Studio to implement the Navigation Drawer and I can't get the blue colour that is ... questions/22374660/navigation-drawer-item-background-colour-for-selected-item...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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306 views

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css - Select only direct children from element with Sass

Lets say I have the following html: <header class="header"> <div class="title"> <h1>Home</h1> < ... .com/questions/30290820/select-only-direct-children-from-element-with-sass...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer

kGAIScreenName of Google Analytics for iOS v3 is undeclared?

Today, I found GoogleAnalytics-iOS-SDK have new 3.0 version in Cocoapods. I upgraded and I try to modified ... /18381083/kgaiscreenname-of-google-analytics-for-ios-v3-is-undeclared...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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464 views

1 answer

JAXB: How to change XJC-generated classes names when attr type is specified in XSD?

I'm a beginner to JAXB and I'm having annoying issues when generating Java classes with xjc. I am provided with ... -xjc-generated-classes-names-when-attr-type-is-specified-in-x...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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187 views

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Ruby on Rails: debugging rake tasks

When I write debugger it does not start: NoMethodError: undefined method `run_init_script' for Debugger:Module from / ... .com/questions/2663912/ruby-on-rails-debugging-rake-tasks...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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114 views

1 answer

javascript - jQuery Autocompletion with Eclipse Juno Java EE

I've read several DATED information on how to enable jQuery (specially auto completion) support for Eclipse. ... /questions/11731884/jquery-autocompletion-with-eclipse-juno-java-ee...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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293 views

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Can I somehow execute my db/seeds.rb file from my rails app?

I am building a demo, and I want to make it very easy for a non-technical person to set up and run the demo. I ... /can-i-somehow-execute-my-db-seeds-rb-file-from-my-rails-app...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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160 views

1 answer

python - Quick way to extend a set if we know elements are unique

I am performing multiple iterations of the type: masterSet=masterSet.union(setA) As the set grows the length of time taken ... -way-to-extend-a-set-if-we-know-elements-are-unique...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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140 views

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java - Converting Relative Paths to Absolute Paths

I have an absolute path to file A. I have a relative path to file B from file A's directory. ... ://stackoverflow.com/questions/3204955/converting-relative-paths-to-absolute-paths...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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174 views

1 answer

php - How to use my Entities and Entity Managers in Symfony 2 Console Command?

I want to a few terminal commands to my Symfony2 application. I've gone through the example in the cookbook, ... use-my-entities-and-entity-managers-in-symfony-2-console-command...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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237 views

1 answer

optimization - Optimizing for space instead of speed in C++

When you say "optimization", people tend to think "speed". But what about embedded systems where speed isn't ... com/questions/2082739/optimizing-for-space-instead-of-speed-in-c...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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152 views

1 answer

Coolest C# LINQ/Lambdas trick you've ever pulled?

Saw a post about hidden features in C# but not a lot of people have written linq/lambdas example so... I ... /questions/28858/coolest-c-sharp-linq-lambdas-trick-youve-ever-pulled...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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206 views

1 answer

Why HBase is a better choice than Cassandra with Hadoop?

Why is using HBase a better choice than using Cassandra with Hadoop? Can anyone please give a detailed explanation on ... /why-hbase-is-a-better-choice-than-cassandra-with-hadoop...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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270 views

1 answer

Spring context initialization failed with java.lang.IllegalArgumentException while deploying to Apache 7.0.54 and java 8

Environment: Applciation server: Apache 7.0.54 Java: "1.8.0_05" OS: Mac OS X 10.9.3 ... /24128045/spring-context-initialization-failed-with-java-lang-illegalargumentexception-whi...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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314 views

1 answer

.net - BadImageFormatException. This will occur when running in 64 bit mode with the 32 bit Oracle client components installed

I am getting this error while on of my .Net application are trying to make a connection to oracle database. The error ... this-will-occur-when-running-in-64-bit-mode-with-the-32...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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134 views

1 answer

iphone - Unable to profile app on device with iOS 9.0.1 using Xcode 7, 7.0.1 or 7.1 beta

I have been trying unsuccessfully to profile my device (via Instruments) using the latest version of Xcode 7.0.1 (7A1001 released 9/28), ... -9-0-1-using-xcode-7-7-0-1-or-7-1-beta...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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284 views

1 answer

hibernate - Criteria.DISTINCT_ROOT_ENTITY vs Projections.distinct

I am pretty new to Hibernate. I found out that we can get distinct result using following two ... com/questions/25536868/criteria-distinct-root-entity-vs-projections-distinct...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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121 views

1 answer

How do Bootstrap Glyphicons work?

I know some basics of CSS and HTML and sometimes work with them, but am not a professional, and I' ... https://stackoverflow.com/questions/20279512/how-do-bootstrap-glyphicons-work...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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146 views

1 answer

c# - System.Net.WebClient unreasonably slow

When using the System.Net.WebClient.DownloadData() method I'm getting an unreasonably slow response time ... .com/questions/4415443/system-net-webclient-unreasonably-slow...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

301 views

1 answer

css - Select only direct children from element with Sass

Lets say I have the following html: <header class="header"> <div class="title"> <h1>Home</h1> < ... .com/questions/30290820/select-only-direct-children-from-element-with-sass...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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100 views

1 answer

ruby - Using factory_girl in Rails with associations that have unique constraints. Getting duplicate errors

I'm working with a Rails 2.2 project working to update it. I'm replacing existing fixtures with factories ... -girl-in-rails-with-associations-that-have-unique-constraints-gett...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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