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291 views

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Foreign keys in django admin list display

If a django model contains a foreign key field, and if that field is shown in list mode, then it ... stackoverflow.com/questions/2470285/foreign-keys-in-django-admin-list-display...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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573 views

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cucumber - Are there any non-developer tools to edit gherkin files?

(Closed.) This question does not meet Stack Overflow guidelines. It is not currently accepting answers. question from: ... /are-there-any-non-developer-tools-to-edit-gherkin-files...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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257 views

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r - Spread with data.frame/tibble with duplicate identifiers

The documentation for tidyr suggests that gather and spread are transitive, but the following example with the ... 25960394/spread-with-data-frame-tibble-with-duplicate-identifiers...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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pip - Given the name of a Python package, what is the name of the module to import?

Does somebody know the logic behind Python modules names vs the name of the actual package used in easy_install? A few ... -python-package-what-is-the-name-of-the-module-to-import...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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205 views

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iphone - Is there any information database which lists all of the mobile devices and specifications?

(Closed.) This question does not meet Stack Overflow guidelines. It is not currently accepting answers. question from: ... -database-which-lists-all-of-the-mobile-devices-and-spec...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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x86 - Why is string comparison so fast in python?

I became curious to understand the internals of how string comparison works in python when I was solving the ... questions/49950747/why-is-string-comparison-so-fast-in-python...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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298 views

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command line - Argument-parsing helpers for C/Unix

I know of the following: The venerable getopt(3) The extended getopt_long glibc's argp parser for Unix- ... stackoverflow.com/questions/189972/argument-parsing-helpers-for-c-unix...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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195 views

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javascript - Does Node.js enforce a minimum delay for setTimeout?

In browsers, if you use setTimeout from within a function called by setTimeout then a minimum delay of 4ms will ... /7221504/does-node-js-enforce-a-minimum-delay-for-settimeout...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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320 views

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ruby - Is there a way to stub a method of an included module with Rspec?

I have a module that is included in another module, and they both implement the same method. I would like to stub the ... -a-way-to-stub-a-method-of-an-included-module-with-rspec...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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database - Scaling Postgres horizontally

Let we say you are running your business on top of postgresql database. After some time you get ... from:https://stackoverflow.com/questions/34831086/scaling-postgres-horizontally...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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208 views

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c# - Convert (render) HTML to Text with correct line-breaks

I need to convert HTML string to plain text (preferably using HTML Agility pack). With proper white-spaces and, ... /29995333/convert-render-html-to-text-with-correct-line-breaks...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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211 views

1 answer

java - Lifetime of a static variable in Android

when I declare and initialize a variable as static in my main activity and the activity gets destroyed. Can I ... .com/questions/17900456/lifetime-of-a-static-variable-in-android...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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423 views

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0xFF0000FF An integer literal does not conform to the expected type kotlin.Int

Why doesn't this work: var color: Int = 0xFF0000FF and why do I have to call toInt() var color: Int = ... -an-integer-literal-does-not-conform-to-the-expected-type-kotlin-int...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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462 views

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spring cloud - Zuul - Api Gateway Authentication

I want to introduce Zuul through Spring Cloud as an API Gateway in front of a few services. I have ... :https://stackoverflow.com/questions/33921375/zuul-api-gateway-authentication...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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789 views

1 answer

reference - Sources on S4 objects, methods and programming in R

(Closed.) This question does not meet Stack Overflow guidelines. It is not currently accepting answers. question from ... 4143611/sources-on-s4-objects-methods-and-programming-in-r...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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204 views

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javascript - When are MutationObserver callbacks fired?

I know that MutationObservers callbacks may get called sometime after the DOM change. But the question ... .com/questions/14564617/when-are-mutationobserver-callbacks-fired...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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367 views

1 answer

bigdata - How can I tell when my dataset in R is going to be too large?

I am going to be undertaking some logfile analyses in R (unless I can't do it in R), and I understand that my data ... can-i-tell-when-my-dataset-in-r-is-going-to-be-too-large...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.2k views

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python - What does "Symbol not found / Expected in: flat namespace" actually mean?

When I import a module I built, I get this boost-python related error: Traceback (most recent call last): ... /what-does-symbol-not-found-expected-in-flat-namespace-actually-mean...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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614 views

0 answers

jquery - Is CSRF Protection necessary on a sign-up form?

Rails automatically adds CSRF protection to all forms by default by adding an authentication_token to all forms generated by ... /is-csrf-protection-necessary-on-a-sign-up-form...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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642 views

1 answer

c# - Operator '*' cannot be applied to operands of type 'double' and 'decimal'

I get this message in my program but i don't know how to fix it i have search on the net but don't ... /8903632/operator-cannot-be-applied-to-operands-of-type-double-and-decimal...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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151 views

1 answer

c# - Retrieve LINQ to sql statement (IQueryable) WITH parameters

I'm trying to figure out if there's a way to retrieve the (full) sql statement that gets executed ... /questions/6343754/retrieve-linq-to-sql-statement-iqueryable-with-parameters...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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517 views

0 answers

windows - Privileges/owner issue when writing in C:ProgramData

As pointed out in Writing config file in C:Program Files (x86)MyAppmyapp.cfg, vs. Administrator privilege, ... /22107812/privileges-owner-issue-when-writing-in-c-programdata...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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312 views

1 answer

Angular 4 Form Validators - minLength & maxLength does not work on field type number

I am trying to develop a contact form, I want user to enter phone number values between length 10-12. Notably ... form-validators-minlength-maxlength-does-not-work-on-field-type-nu...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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493 views

0 answers

java - Gson - Automatic quote (") escaping?

I'm using GSON on my Java EE server to provide some json to views. In some object, I have long ... from:https://stackoverflow.com/questions/7258858/gson-automatic-quote-escaping...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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201 views

1 answer

python - How to filter (or replace) unicode characters that would take more than 3 bytes in UTF-8?

I'm using Python and Django, but I'm having a problem caused by a limitation of MySQL. According to the MySQL ... -or-replace-unicode-characters-that-would-take-more-than-3-bytes...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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320 views

1 answer

css - Why can't child elements override the opacity of parent with a greater value?

As we know, child elements cannot as of now override the opacity property of its parent. The opacity property of ... -elements-override-the-opacity-of-parent-with-a-greater-value...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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214 views

1 answer

bibtex - Get metadata from DOI

A digital object identifier (DOI) is a globally unique string that identifies an electronic document (for example, ... ://stackoverflow.com/questions/10507049/get-metadata-from-doi...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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92 views

1 answer

ios - Is it possible to use transparency in an iPhone app icon?

I created a 57 57 circular icon (without shine) which has transparency outside of the circle for my app. I can ... 959864/is-it-possible-to-use-transparency-in-an-iphone-app-icon...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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