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.net - Shuffling an array of strings in vb.net

I am developing a webpage in vb.net that will generate a number of multiple choice questions to the user. ... . Your help is appreciated. 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 can Geckodriver/Firefox work without Marionette? (running python selenium 3 against FF 53)

I'm seeing a bizarre "untrusted cert" error only on selenium-controlled firefox pop-ups. Very specific. To solve ... the heck is this working? See Question&Answers more detail:os...

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

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php - Applied coupons disable Free shipping conditionally in Woocommerce

I am trying to get it so that if a customer were to add a coupon code (Any of them) the Free Shipping option would ... ); } } } return $rates; } See Question&Answers more detail:os...

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

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standards compliance - Why does C++ allow variable length arrays that aren't dynamically allocated?

I'm relatively new to C++, and from the beginning it's been drilled into me that you can't do something like ... why isn't it in the standard? 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 - Moving the cursor to the beginning of UITextField

Is there a way to make the cursor be at the start of a UITextField? When I display the control with content, ... to move it to the beginning. See Question&Answers more detail:os...

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

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800 views

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angular2 - infinite loop when i call method from a Angular 2 class inside template

I have a problem when i call a method from component in the template by interpolation: {{get_method()}}. The ... and this is the result : See Question&Answers more detail:os...

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

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indexing - Implementing Index trait to return a value that is not a reference

I have a simple struct that I would like to implement Index for, but as a newcomer to Rust I'm having a ... the value is calculated on demand? 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 does a for loop evaluate its argument

My question is a very simple one. Does a for loop evaluates the argument it uses every time ? Such as: ... iterable while iterating over 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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matlab - Deleting matrix elements by = [] vs reassigning matrix

Is there any difference between these two methods for deleting elements in Matlab: ElementsToDelete = [0 0 ... they completely interchangeable? See Question&Answers more detail:os...

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

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Operator overloading and overriding in Java

What is the difference between operator overloading and operator overriding? Are they the same in inheritance and console 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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Python testing whether a string is one of a certain set of values

I'm learning python on codecademy and my current task is this: Write a function, shut_down, that takes one parameter ... What am I doing wrong? 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 - Iterate a Json Object with ngFor

I get from a webserver the following JSON String. [ {"name":"Joe Lincoln","age":"42","grade":"9","active":"1" ... {member.age}}</h3> </ion-item> See Question&Answers more detail:os...

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

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Swift: Converting a string into a variable name

I have variables with incremented numbers within, such as row0text, row1text, row2text, etc. I've figured out how ... name in my code. 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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html - javascript code not work in HEAD tag

My webpage has the following code: <html> <head> <title>This is test Page</title> <script language="javascript" ... put code in <head> tag? 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 - random orderBy in AngularJS 1.2 returns 'infdig' errors

Using the random orderBy sort technique in this question works fine in AngularJS 1.1. var myApp = angular.module('myApp' ... , or is this a bug? 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 - Remove array item from localstorage

I have an array i stored(parsed it as json) in localstorage. I got it back into an object, removed ... question array that was passed. 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# WPF Navigation Between Pages (Views)

I'm attempting to create a class & method which could be used on any window and page to change the current ... of the login details entered. 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# - Xamarin project not running, assembly not found

Im learning Xamarin, when I try to create a project and build it, it gives me this error: The "Xamarin. ... with Xamarin found at this link See Question&Answers more detail:os...

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

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run a program with more than one source files in GNU c++ compiler

I am using DEV GNU c++ compiler on windows 7 OS. I need to know how a program with more than one ... single program in C.. Thanks 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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android - batch scripting - if exist ./sdcard/file.any using adb

I'd like to check whether a file exists on my Android device, and if not - to push it. What is the syntax ... else adb push file.any ./sdcard/ See Question&Answers more detail:os...

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

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apache spark - Parsing multiline records in Scala

Here is my RDD[String] M1 module1 PIP a Z A PIP b Z B PIP c Y n4 M2 module2 PIP a I n4 PIP b O D ... Apologies to the Spark Gods, if I am not. 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 is ?1 > sizeof(int)?

Consider the following code: template<bool> class StaticAssert; template<> class StaticAssert<true> {}; StaticAssert ... ++ standard comformant? See Question&Answers more detail:os...

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

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php - How do you do multiple SQL statements in one mysql_query?

Say I wanted to do UPDATE table SET name = 'bob' and UPDATE table SET age = 55 WHERE name = 'jim' how ... now deprecated and shouldn't be used. See Question&Answers more detail:os...

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

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boolean - Why do 'and' & 'or' return operands in Python?

I'm going through the LPTHW and I came across something I cannot understand. When will it ever be the case that you ... ). Play with this a bit. See Question&Answers more detail:os...

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

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sql server - What happens to the primary key Id when it goes over the limit?

If you add a new record, then delete the record, then add it again over and over, in time, sooner or ... not to replace the previous data? 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++ overloading array operator

I'm creating a Heap, like this: struct Heap{ int H[100]; int operator [] (int i){return H[i];} //... }; ... 't just do this way i did... 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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foreach - Why does `Option` support `IntoIterator`?

I was trying to iterate over a subsection of a vector of strings, i.e. a subslice of Vec<String>. Within ... there for iterating over an Option? See Question&Answers more detail:os...

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

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250 views

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PHP URL Encoding / Decoding

I used the solution accepted for this question for encrypting by id for example in /index.php?id=3 . The problem ... the = sign in the end See Question&Answers more detail:os...

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

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