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javascript - Promises: Repeat operation until it succeeds?

I want to perform an operation repeatedly, with an increasing timeout between each operation, until it succeeds or a ... with promises in Q? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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compilation - How to run Java program in command prompt

I created a Java project to call a Web service. It has one Main java file and another class file. I ... run the program by passing arguments? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - Does this.setState return promise in react

I made my componentWillMount() async. Now I can using await with the setState. Here is the sample code: ... .log(3) fetchRooms() } See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c# - How can I test for negative zero?

Initially I thought Math.Sign would be the proper way to go but after running a test it seems that it treats -0.0 and +0.0 the same. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - How to do promise.all for array of array of promises?

I am trying to run array of functions parallel and when everybody finishes I want work on that result. I am using ... is there any better way ? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Best equivalent for IsInteger in SQL Server

What is the best way to determine whether or not a field's value is an integer in SQL Server ( ... statement without creating other objects. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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escape dictionary key double quotes when doing println dictionary item in Swift

I've been playing around with Swift, and just came across an issue. I have the following Dictionary in: var ... right way. Appreciate any help. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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angular - Angular2: how bind to select multiple

I'm able to bind using ngModel for a single select but I would like to bind an array to the multiple selected ... .name}}</option> </select> See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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objective c - Localizing the Cut|Copy|Paste menu on iOS

Im having some issues localizing a danish app ive made. (The language, not the pastry) I have set ... are programmed as viewcontrollers. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c# - Set array key as string not int?

I am trying to set the array keys as a strings like in the example below, but inC#. <?php $array = array(); $array['key_name'] = "value1"; ?> See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Javascript Submit does not include Submit Button Value

Ok, this is less of a question than it is just for my information (because I can think of about 4 different ... to me. Thanks in advance. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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.net - How can I get a ListView GridViewColumn to fill the remaining space in my grid?

I want to create a ListView that has two columns with a fixed width and a third column to fill in the remaining ... widths of columns with *s. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - How can I insert a new tag into a BeautifulSoup object?

Trying to get my head around html construction with BS. I'm trying to insert a new tag: self.new_soup.body ... 3 with the id file_history? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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MySQL Error: Incorrect usage of UPDATE and LIMIT

How can I correct this problem so that my MySQL code works correctly. Here is my MySQL code that gives me the ... : " . mysqli_error($mysqli)); See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - How can I handle browser tab close event in Angular? Only close, not refresh

My goal is remove user cookies when browser tab closed. Is it possible? Can I handle browser tab close event without ... I do this in Angular? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c++ - Do these members have unspecified ordering?

A colleague told me that, in the following type, all members have unspecified ordering in memory (relative to one another ... public: int z; }; See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c - Implementation of nested functions

I recently found out that gcc allows the definition of nested function. In my opinion, this is a cool feature, ... it at the same time. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c# - System.Text.Json: How do I specify a custom name for an enum value?

Using the System.Text.Json serializer capabilities in .NET Core, how can I specify a custom value for ... indexer' declarations. TrickOrTreat } See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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How do you get the all properties of a class and its base classes (up the hierarchy) with Reflection? (C#)

So what I have right now is something like this: PropertyInfo[] info = obj.GetType().GetProperties(BindingFlags. ... on all of them? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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vb.net - Integer.Parse vs. CInt

Basically, I have been using both Integer.Parse and CInt in most of my daily programming tasks, but I'm a little ... .Parse and CInt in VB.NET? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Enumerations: Why? When?

I am an almost-graduating computer science student, and throughout my coding career, I've found very few instances ... is the best approach? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ios - UITableView Checkmarks disappear when scrolling

I have to make checkmarks on a tableView, but if I'm scrolling and one check marked cell is not visible and I ... , false, false, false, false] See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Catastrophic backtracking shouldn't be happening on this regex

Can someone explain why Java's regex engine goes into catastrophic backtracking mode on this regex? Every alternation is mutually ... ++|'')++') See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Ignore missing properties during Jackson JSON deserialization in Java

In the example class Person { String name; int age; } If the JSON object has a missing property ... fields during deserialization? Thanks See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c# - What namespace will a class have if no namespace is defined

In C#, if I create a class with no namespace, what namespace will I use when trying to instantiate the class? ... so I need to distinguish... See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Can Spring MVC handle multivalue query parameter?

Having this http://myserver/find-by-phones?phone=123&phone=345 request, is it possible to handle with something ... other objects? Thanks. Alex See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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356 views

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android - Admob ads not loading - Failed to load ad: 0

I am trying to load Admob Native ads. Previously (before app was updated) ads used to show but now they are ... lang.Thread.run(Thread.java:818) See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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JavaScript/jQuery - "$ is not defined- $function()" error

I am trying to run a JavaScript/jQuery function and Firebug gets the error: $ is not defined $(function()". The ... } ?> </select> </html> See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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