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namespaces - Swift's standard library and name collision

I know that Swift doesn't use namespaces, but that names are defined within each module. First of all, I ... thanks @Martin R for your comment) See Question&Answers more detail:os...

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

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binary - How are negative numbers represented in 32-bit signed integer?

How are negative number represented in 32-bit signed integer? Is it two's or one's complement? or the last bit on ... a flag? For example: (-10) 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 use components in v-html

I am trying to use components in v-html. I want to get html from own API, then I will show that. Here is ... know what is a mistake. Thank you. 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++ - Why are the return values of these doubles -1.#IND?

I have : double score = cvMatchContourTrees( CT1, CT2, CV_CONTOUR_TREES_MATCH_I1, 0.0 ); cout<<score<<endl; There are ... ? How do I solve it? See Question&Answers more detail:os...

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

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Convert millisecond String to Date in Java

i have a String x = "1086073200000" . This is basically millisecond which I need to convert to a Date. ... preserve the entire String. 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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537 views

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Java char array to int

Is it possible to convert a char[] array containing numbers into an int? 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# - Can’t assign to delegate an anonymous method with less specific parameter type

I'm able to assign a method M to delegate object d with a less specific parameter type, but when I want to ... (object o, EventArgs e) { } See Question&Answers more detail:os...

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

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assembly - Which versions of Windows support/require which CPU multimedia extensions? (How to check if SSE or AVX are fully usable?)

So far I have managed to find out that: SSE and SSE2 are mandatory for Windows 8 and later (and of course for ... from one of the SSE/AVX sets. See Question&Answers more detail:os...

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

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format - Android Money Input with fixed decimal

How do you create an edittext entry that formats input in money format only? When the user enters 5, I want the ... should look like "$5.36". See Question&Answers more detail:os...

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

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performance - Java Collections and Garbage Collector

A little question regarding performance in a Java web app. Let's assume I have a List<Rubrique> listRubriques ... might create a memory leak? See Question&Answers more detail:os...

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

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906 views

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spring - java.lang.NoSuchMethodError org.springframework.core.annotation.AnnotationUtils.getAnnotation

when I run my junit test I can get right result and the data can be stored into database. when I deploy ... scope> </dependency> </dependencies> See Question&Answers more detail:os...

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

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firebase - "The operator '[]' isn't defined" error when using .data[] in flutter firestore

I am learning to use firestore in flutter following Net Ninja's tutorial on youtube. After user authenticatin was ... me know in the comments See Question&Answers more detail:os...

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

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599 views

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c# - Why do UI Controls in WPF have Thread Affinity?

Why is it that the thread that created the control is the one that can update it? Why didn't MS give ... on UI controls with multiple threads. 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 way to protect Excel VBA code?

I've put together a simple Excel database that performs a few macro functions and I need to distribute this ... by the 'children' databases? 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 - Using GLKMath from GLKit in Swift

So I'm using a book called iOS Games by tutorials from Ray Wenderlich and trying to utilize some of the objective ... to use in my program? See Question&Answers more detail:os...

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

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686 views

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c# - Error while trying to run project:The module was expected to contain an assembly manifest

When I try to run the project it says: Error while trying to run project:could not load file or assembly ' ... How can I solve my problem? See Question&Answers more detail:os...

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

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Parse XML TO JAVA POJO in efficient way

How to parse and create java pojo for below xml in an efficient way? Kindly suggest any efficient parser. XML ... pojo in a efficient 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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683 views

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Difference between getValue() and getDisplayValue() on google app script

What is the difference of range.getDisplayValue() and range.getValue() on Google Apps Script? var ss = ... and Val2 are both 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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853 views

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algorithm - How to solve: T(n) = T(n - 1) + n

I have the following worked out: T(n) = T(n - 1) + n = O(n^2) Now when I work this out I find ... done something wrong or is it just that 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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dynamic - Can I apply Dart's string interpolation dynamically?

(from the Dart discussion mailing list by Tristan McNab) I'm trying to build a server-side MVC framework and ... indicates that it isn't. See Question&Answers more detail:os...

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

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jvm - Java seems to ignore -Xms and -Xmx options

I'd like to run a very simple bot written in java on my VPS. I want to limit jvm memory to let's say ... write the program, not the JVM itself. See Question&Answers more detail:os...

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

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784 views

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php - Using a variable outside of the while loop (scope)

Small problem regarding scope in PHP, I can't seem to call the variable $report outside of the while loop. I ... $thisDOCid; } echo $report; ?> See Question&Answers more detail:os...

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

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494 views

1 answer

java - Determine the most common occurrence in an array

Assume I have an array of doubles that looks like the following: Array[10] = {10, 10, 10, 3, 10, 10, 6, ... that position is the winner, etc...) See Question&Answers more detail:os...

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

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662 views

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How to prevent automatic escaping of special characters in Python

I'm writing a Python script that accepts file paths as strings, parses them, appends a command name, and builds ... pythonic way to do this? See Question&Answers more detail:os...

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

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867 views

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regex - remove all numeric characters from column mysql

I want to develop one mysql function that can remove only numeric characters from the string. See Question&Answers more detail:os...

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

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462 views

1 answer

PHP remember file field contents

I have a form with text inputs and file inputs; the text fields are being validated. Is there a way to have ... the text fields didn't validate? See Question&Answers more detail:os...

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

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472 views

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Different property value is displayed when JavaScript object is expanded in Chrome console

I'm doing some JavaScript debugging with Chrome dev tools and found the following oddity. How is it possible ... when the object is expanded? See Question&Answers more detail:os...

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

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512 views

1 answer

How to convert integer to binary string in C#?

I'm writing a number converter. How can I convert a integer to a binary string in C# WITHOUT using ... complement Binary > Two's complement See Question&Answers more detail:os...

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

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