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sql - How to delete rows in tables that contain foreign keys to other tables

Suppose there is a main table containing a primary key and there is another table which contains a foreign key to ... -rows-in-tables-that-contain-foreign-keys-to-other-tables...

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

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.net - IConnectableObservables in Rx

Can someone explain the differences between an Observable and a ConnectableObservable? The Rx Extensions ... //stackoverflow.com/questions/2833904/iconnectableobservables-in-rx...

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

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What's the "DNS_BLOCK_ASSERTIONS" (C compiler flag)?

What's the "DNS_BLOCK_ASSERTIONS" (C compiler flag)? question from:https://stackoverflow.com/questions/2752574/whats-the-dns-block-assertions-c-compiler-flag...

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

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android - How to make an API request in Kotlin?

I am extremely new to Kotlin and APIs in general and can't find the syntax to create an API request using this ... .com/questions/45219379/how-to-make-an-api-request-in-kotlin...

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

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Enabling brand icon in `cardNumber` type element in Stripe

When using Stripe elements, is there a way to not use the card element, but still get the auto brand ... questions/42262887/enabling-brand-icon-in-cardnumber-type-element-in-stripe...

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

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python - Display regression equation in seaborn regplot

(This question already has answers here): question from:https://stackoverflow.com/questions/33490833/display-regression-equation-in-seaborn-regplot...

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

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r - Why is the parallel package slower than just using apply?

I am trying to determine when to use the parallel package to speed up the time necessary to run some analysis. ... 14614306/why-is-the-parallel-package-slower-than-just-using-apply...

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

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Is it bad practice to use Negative Margins or Padding in CSS

(Closed). This question is opinion-based. It is not currently accepting answers. question from:https://stackoverflow.com ... -bad-practice-to-use-negative-margins-or-padding-in-css...

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

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java - Why does notifyAll() raise IllegalMonitorStateException when synchronized on Integer?

Why does this test program result in a java.lang.IllegalMonitorStateException? public class test { ... -does-notifyall-raise-illegalmonitorstateexception-when-synchronized-on-int...

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

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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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javascript - How to have AngularJS output escaped HTML

(This question already has answers here): question from:https://stackoverflow.com/questions/20436579/how-to-have-angularjs-output-escaped-html...

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

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218 views

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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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sublimetext3 - Change highlight colour in Sublime Text 3?

How can I change the default highlight colour in Sublime Text 3? I used to know how find a highlight ... .com/questions/39262481/change-highlight-colour-in-sublime-text-3...

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

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expression - Return value of assignment operation in Java

I encountered a statement in Java while ((line = reader.readLine()) != null) { out.append(line) ... .com/questions/38163938/return-value-of-assignment-operation-in-java...

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

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c# - Why are short null values converted to int null values for comparing with null?

When I compare nullable short values, the compiler converts them first to integer to make a compare with null. For ... -values-converted-to-int-null-values-for-comparing-with-null...

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

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c - gdb - debugging with pipe

Say I have a two programs named blah and ret. I want to debug blah program which receives input from ... from:https://stackoverflow.com/questions/1456253/gdb-debugging-with-pipe...

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

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132 views

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haskell - How does Djinn work?

OK, so I realise that I will probably regret this for the rest of my life, but... How does Djinn ... question from:https://stackoverflow.com/questions/10217931/how-does-djinn-work...

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

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macos - php interactive shell doesn't have any output?

bash-3.2$ php -a Interactive shell php > $a = null || "hi" php > echo $a php > $b = "hi ... https://stackoverflow.com/questions/7149278/php-interactive-shell-doesnt-have-any-output...

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

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339 views

1 answer

Jquery onclick on div

I have a simple question. The following code works for all the tags: $('*').click(function(e) { alert ... from:https://stackoverflow.com/questions/7034342/jquery-onclick-on-div...

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

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237 views

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privileges - "IDENTIFIED BY 'password'" in MySQL

I often see in many MySQL tutorials that people use command IDENTIFIED BY 'password' both during user ... /stackoverflow.com/questions/31111847/identified-by-password-in-mysql...

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

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224 views

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java - Inject list of objects in CDI (Weld)

Let's say I have an interface called SocialNetworkService, and three implementations - TwitterService, FacebookService and ... questions/4009388/inject-list-of-objects-in-cdi-weld...

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

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97 views

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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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150 views

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python - Function application over numpy's matrix row/column

I am using Numpy to store data into matrices. Coming from R background, there has been an extremely ... com/questions/8079061/function-application-over-numpys-matrix-row-column...

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

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mysql - How to get only tables, not views using SHOW TABLES?

SHOW TABLES gives you tables+views. How do I retrieve only tables? question from:https://stackoverflow.com/questions/2908680/how-to-get-only-tables-not-views-using-show-tables...

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

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221 views

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javascript - AngularJS checkbox ng-repeat and selected objects?

I am trying to do it in proper way with less pain, but i can't figure out how to deal ... /stackoverflow.com/questions/14834300/angularjs-checkbox-ng-repeat-and-selected-objects...

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

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240 views

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svn - Subversion: deleting old feature branches vs. keeping them

I have a subversion repository with the standard layout, i.e. trunk/ and branches/ (and tags/). When ... /questions/162591/subversion-deleting-old-feature-branches-vs-keeping-them...

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

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134 views

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Will Javascript ES6 promise support 'done' api?

For example p = new Promise(function (resolve, reject) { throw 'err'; }); p.done(); In most ... //stackoverflow.com/questions/26667598/will-javascript-es6-promise-support-done-api...

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

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243 views

1 answer

bash - How do I check if a folder has contents?

(This question already has answers here): question from:https://stackoverflow.com/questions/20456666/how-do-i-check-if-a-folder-has-contents...

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

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