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Is there a way of referencing an array key from within the array? This may make more sense in code ... from:https://stackoverflow.com/questions/10358261/php-self-referencing-array...

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

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html - Why does this behave the way it does with max-width: 0?

See http://jsfiddle.net/mpx7os95/14/ The behavior is the desired behavior, which allows the center column in a 3 column ... why-does-this-behave-the-way-it-does-with-max-width-0...

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

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c++ - Why are by-value parameters excluded from NRVO?

Imagine: S f(S a) { return a; } Why is it not allowed to alias a and the return value slot? ... /stackoverflow.com/questions/6009278/why-are-by-value-parameters-excluded-from-nrvo...

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

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java - Use cases for implementing annotations

What are valid use cases for implementing annotations? When designing primarily annotation based configuration ... com/questions/3341930/use-cases-for-implementing-annotations...

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

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369 views

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Terminal in Emacs in Windows - Error message: "Spawning child process; invalid argument"

I'm trying to start a cmd terminal in Emacs 23.2 (latest version) in Windows. According to the Manual, I ... -in-emacs-in-windows-error-message-spawning-child-process-invalid-a...

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

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.net - Unit Test fails on Run All but not on Run Selected Tests with all selected

I'm getting some weird behavior. If I click "Run All" in Test Explorer then 1 of my unit tests fails, but if I ... -fails-on-run-all-but-not-on-run-selected-tests-with-all-selected...

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

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android - MVP for Activity with multiple Fragments

I have an Activity with two Fragments in it. The activity (MainActivity) retrieves data from an open ... .com/questions/34257883/mvp-for-activity-with-multiple-fragments...

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

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javascript - Crossbrowser onbeforeunload?

Does window.onbeforeunload() fire in all browsers? I need a onbeforeunload functionality which is ... :https://stackoverflow.com/questions/7389554/crossbrowser-onbeforeunload...

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

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Default template for iPython notebook (using Jupyter)

In the first cell of every iPython (Jupyter) notebook, I almost always type: %matplotlib inline import ... /questions/34002326/default-template-for-ipython-notebook-using-jupyter...

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

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How do I delete/remove dynamic links in firebase?

(Closed.) This question does not meet Stack Overflow guidelines. It is not currently accepting answers. question from: ... 37486585/how-do-i-delete-remove-dynamic-links-in-firebase...

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

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106 views

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c# - The current status of System.Net.Http vs. Microsoft.Net.Http

I am confused with packaging of HttpClient. Earlier it was distributed as a part of Microsoft.Http.Net NuGet package ... -current-status-of-system-net-http-vs-microsoft-net-http...

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

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478 views

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image processing - Extract layers from PSD with ImageMagick, preserving layout

I'm using ImageMagick to extract layers from a PSD, and it gets them all out fine with: convert ... /questions/6598848/extract-layers-from-psd-with-imagemagick-preserving-layout...

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

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Does static variables in php persist across the requests?

Static variable gotcha in php I am from Java background and have switched to php for one project recently. I ... /520132/does-static-variables-in-php-persist-across-the-requests...

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

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118 views

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javascript - "This site appears to use a scroll-linked positioning effect. This may not work well with asynchronous panning"

I have been given this unusual warning from Firefox. The positioning effect it refers to is a div I rotate as a ... -to-use-a-scroll-linked-positioning-effect-this-may-not-work...

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

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java - Why can't I use protected constructors outside the package?

(This question already has answers here): question from:https://stackoverflow.com/questions/29530199/why-cant-i-use-protected-constructors-outside-the-package...

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

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264 views

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What are the implications of using /Zi vs /Z7 for Visual Studio C++ projects?

Background There are several different debug flags you can use with the Visual Studio C++ compiler. They are: (none) ... implications-of-using-zi-vs-z7-for-visual-studio-c-projects...

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

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indexing - How does a geospatial index work?

question from:https://stackoverflow.com/questions/4576892/how-does-a-geospatial-index-work...

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

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277 views

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caching - Can one cache and secure a REST API with Cloudflare?

I am designing a RESTful API that is intended to be consumed by a single-page application and a native mobile app. ... /29569021/can-one-cache-and-secure-a-rest-api-with-cloudflare...

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

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226 views

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indexing - PostgreSQL: GIN or GiST indexes?

From what information I could find, they both solve the same problems - more esoteric operations like array ... //stackoverflow.com/questions/21830/postgresql-gin-or-gist-indexes...

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

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98 views

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c# - The current status of System.Net.Http vs. Microsoft.Net.Http

I am confused with packaging of HttpClient. Earlier it was distributed as a part of Microsoft.Http.Net NuGet package ... -current-status-of-system-net-http-vs-microsoft-net-http...

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

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391 views

1 answer

c++ - Transferring the ownership of object from one unique_ptr to another unique_ptr in C++11?

In C++11 we can transfer the ownership of an object to another unique_ptr using std::move(). After the ownership ... -of-object-from-one-unique-ptr-to-another-unique-ptr-i...

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

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205 views

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sockets - Countdown Timer Image GIF in Email

I recently received an emailer from Onnit Labs that included a Countdown Module Timer inside the emailer using a ... .com/questions/13593420/countdown-timer-image-gif-in-email...

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

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706 views

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tfs - Shelve Pending Changes in Team Foundation server

I am new to Team Foundation Server, so i was wondering what does "Shelve Pending Changes" does in Team ... .com/questions/4476510/shelve-pending-changes-in-team-foundation-server...

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

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c++ - What does the tilde (~) in macros mean?

Seen on this site, the code shows macro invocations using a tilde in parentheses: HAS_COMMA(_TRIGGER_PARENTHESIS_ ... questions/6478783/what-does-the-tilde-in-macros-mean...

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

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1 answer

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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301 views

1 answer

c++ - OpenGL bool uniform?

I'm trying to send a boolean to an OpenGL glsl shader. Currently I have this in the shader: uniform ... from:https://stackoverflow.com/questions/33690186/opengl-bool-uniform...

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

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233 views

1 answer

javascript - Content security policy including a script

I need to include this script https://apis.google.com/js/api:client.js in my website. On Google ... /stackoverflow.com/questions/48551787/content-security-policy-including-a-script...

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

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465 views

1 answer

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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