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node.js - What is returned from Mongoose query that finds no matches?

I'm a little confused reading the Mongoose documentation. If I run a query in mongoose which matches no documents ... /what-is-returned-from-mongoose-query-that-finds-no-matches...

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

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155 views

1 answer

user interface - Qt Designer vs Handcoding

Every time I start a project with some graphical toolkit, one of the first conflicts happen with the ... https://stackoverflow.com/questions/4114389/qt-designer-vs-handcoding...

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

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284 views

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Set Session variable using javascript in PHP

Is it possible to set PHP session variables using Javascript? question from:https://stackoverflow.com/questions/3590293/set-session-variable-using-javascript-in-php...

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

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193 views

1 answer

PHP include(): File size & performance

An inexperienced PHP question: I've got a PHP script file that I need to include on different pages ... ://stackoverflow.com/questions/2298196/php-include-file-size-performance...

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

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278 views

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chef infra - Overriding attributes in the recipe

Let's say I have a default attribute in a cookbook: default.nginx_upstreams = { 'service1' => [' ... ://stackoverflow.com/questions/14619001/overriding-attributes-in-the-recipe...

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

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286 views

1 answer

rust - Is it possible to conditionally enable an attribute like `derive`?

I have added a feature in my crate which adds serde support. However, I don't quite understand how to ... 42551113/is-it-possible-to-conditionally-enable-an-attribute-like-derive...

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

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103 views

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android - Could not find folder 'tools' inside SDK

I am starting Android Development using Eclipse. I have downloaded all the required software but I am having the ... .com/questions/8624003/could-not-find-folder-tools-inside-sdk...

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

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329 views

1 answer

c# - How can I use the RelayCommand in wpf?

How can I use the RelayCommand in wpf? question from:https://stackoverflow.com/questions/862570/how-can-i-use-the-relaycommand-in-wpf...

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

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76 views

1 answer

java - Pipeline design pattern implementation

This is a design question regarding the implementation of a Pipeline. The following is my naive ... //stackoverflow.com/questions/39947155/pipeline-design-pattern-implementation...

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

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242 views

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ios - What is the difference between In House versus Ad Hoc distribution for Enterprise apps?

I have an Apple iOS Enterprise account and am creating a distribution provisioning profile, and was surprised to ... -between-in-house-versus-ad-hoc-distribution-for-enterpris...

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

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257 views

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svn - Subversion update externals to a date

I'm working on a large, established project under SVN control. Many parts of the code base are being ... /stackoverflow.com/questions/683716/subversion-update-externals-to-a-date...

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

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127 views

1 answer

How do you prevent Visual Studio from switching to the Code Analysis tab after each build?

After each build, Visual Studio 2012 switches from the Solution Explorer to the Code Analysis tab, usually with the ... -studio-from-switching-to-the-code-analysis-tab-after-e...

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

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java - Test default value and setter in same test-case or separate test cases

Would you recommend doing any grouping of test cases within @Test methods, or have one @Test method per test scenario? ... value-and-setter-in-same-test-case-or-separate-test-cases...

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

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146 views

1 answer

Flash versus Flex

I've tried looking everywhere for a concise list of the advantages and disadvantages of using Flex vs. Flash. ... from:https://stackoverflow.com/questions/812133/flash-versus-flex...

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

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213 views

1 answer

haskell - What are Prisms?

I'm trying to achieve a deeper understanding of lens library, so I play around with the types it offers. ... from:https://stackoverflow.com/questions/50915526/what-are-prisms...

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

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408 views

1 answer

Xcode 7 with iOS 9 device Error: device unavailable (Could not find a developer disk image)

After updating my iPad to iOS 9 public beta, I am getting an error while trying the run the app in my iPad ... with-ios-9-device-error-device-unavailable-could-not-find-a-developer...

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

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223 views

1 answer

javascript - Spying on console.error() with Jasmine

I'm actually new to JavaScript as well as Jasmine. So it might be something really obvious that fixes ... stackoverflow.com/questions/14519203/spying-on-console-error-with-jasmine...

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

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152 views

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php - Why does WordPress still use addslashes(), register_globals() and magic_quotes?

In order to gain more experience in Wordpress I delved into its code base to study its inner working and ... -does-wordpress-still-use-addslashes-register-globals-and-magic-quotes...

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

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260 views

1 answer

asp.net - How to tell RadioButtonList to NOT generate a table

When I set up a RadioButtonList it creates a table layout for it and I don't want this... how do I ... .com/questions/1280057/how-to-tell-radiobuttonlist-to-not-generate-a-table...

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

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195 views

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caching - Force refresh of cached CSS data

Is it possible force the browser to fresh the cached CSS? This is not as simple as every request. We have ... //stackoverflow.com/questions/3870726/force-refresh-of-cached-css-data...

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

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110 views

1 answer

c++ - Accessing the [] operator from a pointer

If I define a pointer to an object that defines the [] operator, is there a direct way to access ... //stackoverflow.com/questions/8493829/accessing-the-operator-from-a-pointer...

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

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118 views

1 answer

c++ - What does the >?= operator mean?

Looking through this C++ BigInt library and found the BigInt.cpp file. At the top there is a a comment ... :https://stackoverflow.com/questions/5199630/what-does-the-operator-mean...

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

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289 views

1 answer

Visual Studio Code showing "Java 11 or more recent is required to run. Please download and install a recent JDK"

Today Visual Studio Code started showing me a pop-up saying: Java 11 or more recent is required to run. Please download ... -java-11-or-more-recent-is-required-to-run-please-do...

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

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300 views

1 answer

reactjs - Flow (React Native) is giving me errors for using 'this.state'

Flow is giving me the following error whenever I try to use this.state in my code: object literal: This type is ... /flow-react-native-is-giving-me-errors-for-using-this-state...

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

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99 views

1 answer

c++ - Implementing Qt project through CMake

I am trying to build and run very simple and basic example of Qt through Cmake, removing the .pro ... ://stackoverflow.com/questions/25989448/implementing-qt-project-through-cmake...

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

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138 views

1 answer

java - Can spring @Autowired Map?

Here's the Map @Autowired private Map<String, ISendableConverter> converters; and ISendableConverter public ... stackoverflow.com/questions/20918825/can-spring-autowired-map...

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

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308 views

1 answer

Vector Space Model: Cosine Similarity vs Euclidean Distance

I have corpora of classified text. From these I create vectors. Each vector corresponds to one document. ... /19410270/vector-space-model-cosine-similarity-vs-euclidean-distance...

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

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430 views

1 answer

gitosis - git Warning: remote HEAD refers to nonexistent ref, unable to checkout

I'm trying to setup gitosis according to the instructions here. It works fine from my remote machine so the ... -warning-remote-head-refers-to-nonexistent-ref-unable-to-checkout...

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

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