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python - Could not translate host name "db" to address using Postgres, Docker Compose and Psycopg2

In one folder I have 3 files: base.py, Dockerfile and docker-compose.yml. base.py: import psycopg2 conn = ... -translate-host-name-db-to-address-using-postgres-docker-compose-and...

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

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225 views

1 answer

Internet Explorer 11 won't set cookies on a site

For some reason IE11 (only IE11, tested with other IE9 and IE10) won't create a session on a site i've ... .com/questions/22690114/internet-explorer-11-wont-set-cookies-on-a-site...

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

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215 views

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sql server - When to use EXCEPT as opposed to NOT EXISTS in Transact SQL?

I just recently learned of the existence of the new "EXCEPT" clause in SQL Server (a bit late, I know...) through ... /when-to-use-except-as-opposed-to-not-exists-in-transact-sql...

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

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836 views

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python - Could not translate host name "db" to address using Postgres, Docker Compose and Psycopg2

In one folder I have 3 files: base.py, Dockerfile and docker-compose.yml. base.py: import psycopg2 conn = ... -translate-host-name-db-to-address-using-postgres-docker-compose-and...

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

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471 views

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security - Why this error in dev console of chrome when using x-xss-protection?

How to fix this error in console? Error parsing header X-XSS-Protection: 1; mode=block, 1; mode=block:expected ... this-error-in-dev-console-of-chrome-when-using-x-xss-protection...

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

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660 views

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xsd - What is the difference between targetNamespace and xmlns:target?

(This question already has answers here): question from:https://stackoverflow.com/questions/4126919/what-is-the-difference-between-targetnamespace-and-xmlnstarget...

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

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178 views

1 answer

Flutter: Push notifications even if the app is closed

I have built an application with flutter that works like a reminder. How can I display notifications to the user ... /53572110/flutter-push-notifications-even-if-the-app-is-closed...

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

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1 answer

javascript - How to compare two JSON have the same properties without order?

I have tried to compare those two JSON objects: <input type="hidden" id="remoteJSON" name="remoteJSON" value='{" ... /how-to-compare-two-json-have-the-same-properties-without-order...

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

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264 views

1 answer

haskell - What are some problems best/worst addressed by functional programming?

I've often heard that functional programming solves a lot of problems that are difficult in procedural/ ... are-some-problems-best-worst-addressed-by-functional-programming...

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

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414 views

1 answer

How can I change directory with Python pathlib

What is the intended way to change directory using the Python pathlib (Documentation) functionality? Lets assume I ... /41742317/how-can-i-change-directory-with-python-pathlib...

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

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1 answer

python - Calling Java/Scala function from a task

Background My original question here was Why using DecisionTreeModel.predict inside map function raises an exception? ... /31684842/calling-java-scala-function-from-a-task...

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

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253 views

1 answer

Lambda Expression vs Functor in C++

I wonder where should we use lambda expression over functor in C++. To me, these two techniques are ... /stackoverflow.com/questions/4686507/lambda-expression-vs-functor-in-c...

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

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239 views

1 answer

LaTeX and Bibtex: command to print a single full reference from a bib file?

I'd like to be able to print a single reference from a Bibtex .bib file anywhere in my LaTeX document-not cite ... -bibtex-command-to-print-a-single-full-reference-from-a-bib-file...

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

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208 views

1 answer

ruby on rails - Populating an association with children in factory_girl

I have a model Foo that has_many 'Bar'. I have a factory_girl factory for each of these objects. The ... /questions/2937326/populating-an-association-with-children-in-factory-girl...

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

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463 views

1 answer

fortran90 - Fortran SAVE statement

I've read about the save statement in the (Intel's) language reference document, but I cannot quite ... from:https://stackoverflow.com/questions/2893097/fortran-save-statement...

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

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154 views

1 answer

Detect version of JavaScript

How can I detect what version of JavaScript the browser supports (if any)? I want to check for ... :https://stackoverflow.com/questions/7340726/detect-version-of-javascript...

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

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318 views

1 answer

What does the C# CoClass attribute do?

I found code something like the following in a 3rd party library we're using. [CoClass(typeof(BlahClass))] ... com/questions/6960910/what-does-the-c-sharp-coclass-attribute-do...

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

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186 views

1 answer

Rails 3 pagination, will_paginate vs. Kaminari

My setup: Rails 3.0.9, Ruby 1.9.2 I'm looking into a pagination solution for my app and saw ... //stackoverflow.com/questions/8186985/rails-3-pagination-will-paginate-vs-kaminari...

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

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1.0k views

1 answer

io - How do you "empty" a StringWriter in Java?

What is the correct way to "empty" a StringWriter in Java so that I can reuse the StringWriter without having to ... .com/questions/3738095/how-do-you-empty-a-stringwriter-in-java...

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

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344 views

1 answer

nsarray - Concatenation of two arrays in Objective-C

How to concatenate two arrays into a single array in Objective-C? question from:https://stackoverflow.com/questions/4154502/concatenation-of-two-arrays-in-objective-c...

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

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239 views

1 answer

git - Should I commit release key store for Android app to team repository?

We are developing android app in team. To create signed release apk you should set key store path, password, key ... -i-commit-release-key-store-for-android-app-to-team-repository...

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

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106 views

1 answer

How to build a Meteor smart package

How can one build a Meteor smart package that would show up in meteor list? Building Atmosphere packages is ... .com/questions/10114526/how-to-build-a-meteor-smart-package...

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

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86 views

1 answer

java - How to implement setOnScrollListener in RecyclerView

How Do I show progress bar at bottom when user reached to items those are visible in a list ... .com/questions/31000964/how-to-implement-setonscrolllistener-in-recyclerview...

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

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299 views

1 answer

scala String to scala.xml.Elem

I have to convert a string into XML scala> val string="<play><scala></scala></play>" string: String ... https://stackoverflow.com/questions/25152738/scala-string-to-scala-xml-elem...

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

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398 views

1 answer

hadoop - Spark on yarn concept understanding

I am trying to understand how spark runs on YARN cluster/client. I have the following question in my ... //stackoverflow.com/questions/24909958/spark-on-yarn-concept-understanding...

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

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162 views

1 answer

java - What is the Difference between ArrayBlockingQueue and LinkedBlockingQueue

What scenarios is it better to use an ArrayBlockingQueue and when is it better to use a ... 18375334/what-is-the-difference-between-arrayblockingqueue-and-linkedblockingqueue...

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

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170 views

1 answer

Is there a reason JavaScript developers don't use Array.push()?

I commonly see developers use an expression like the following in JavaScript: arr = [] arr[arr.length] = " ... 15649899/is-there-a-reason-javascript-developers-dont-use-array-push...

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

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164 views

1 answer

What is best and most active open source .Net search technology?

I'm trying to decide on an open source search/indexing technology for a .Net project. It seems like the standard ... /what-is-best-and-most-active-open-source-net-search-technology...

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

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