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Is there a way to download an image directly from a url in c# if the url does not have an ... .net/__cb20101219155130/uncyclopedia/images/7/70/Facebooklogin.png Question&Answers:os...

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

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entity framework migrations - How to delete and recreate from scratch an existing EF Code First database

I am using EF Code First with EF 5 in VS 2012. I use PM update-database command and I have a simple seed ... to reset the all thing. How can I accomplish this? Question&Answers:os...

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

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600 views

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html - StaleElementReferenceException on Python Selenium

I am getting the following error while using Selenium in python: selenium.common.exceptions.StaleElementReferenceException: Message: ... I can try to fix this? Question&Answers:os...

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

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c# - What is quicker, switch on string or elseif on type?

Lets say I have the option of identifying a code path to take on the basis of a string comparison or else iffing the ... many times in a slow part of the app. Question&Answers:os...

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

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Functions vs methods in Scala

I am watching Runar Bjarnason present Functional Programming for Beginners, and at 14:45 he defines a method: def ... a method: def isEven = isDivisibleBy(2) Question&Answers:os...

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

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c# - How can I write fast colored output to Console?

I want to learn if there is another (faster) way to output text to the console application window using C# .net ... just out of luck unless I import some dlls. Question&Answers:os...

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

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java - Hibernate Validation of Collections of Primitives

I want to be able to do something like: @Email public List<String> getEmailAddresses() { return this.emailAddresses; } In ... this. Is there a way to do this? Question&Answers:os...

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

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python - Pythonic way of checking if a condition holds for any element of a list

I have a list in Python, and I want to check if any elements are negative. Specman has the has() method for ... Is there a better way to do this in Python? Question&Answers:os...

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

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ios - How to create IPA in Xcode 6?

In my project I can not figure out how to create an IPA file. Can anyone explain, step by step, how to make IPA file in Xcode 6? Question&Answers:os...

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

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raw input - Tab completion in Python's raw_input()

i know i can do this to get the effect of tab completion in python sure. import readline COMMANDS = ['extra', ' ... ) How would i go about doing such a task? Question&Answers:os...

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

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String.format() to format double in Java

How can I use String.format(format, args) to format a double like below? 2354548.235 -> 2,354,548.23 Question&Answers:os...

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

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javascript - Copy a variable's value into another

I have a variable which has a JSON object as its value. I directly assign this variable to some other variable ... stumped over this issue! What is wrong here? Question&Answers:os...

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

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objective c - How does the NSAutoreleasePool autorelease pool work?

As I understand it, anything created with an alloc, new, or copy needs to be manually released. For example: int main( ... /* use the string */ [pool drain]; } Question&Answers:os...

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

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asp.net mvc - MVC3 unobtrusive validation group of inputs

I need to validate 3 or more input fields (required at lest one). For example I have Email, Fax, Phone. ... tried modifying it but no luck. please help. thanks Question&Answers:os...

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

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iphone - Resizing UIimages pulled from the Camera also ROTATES the UIimage?

I am getting UIimages from the camera and assigning them to UIImageViews to be displayed. When I do this ... from the Camera WITHOUT rotating the pixels? Question&Answers:os...

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

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How to split (chunk) a Ruby array into parts of X elements?

This question already has answers here: Question&Answers:os...

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

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414 views

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Laravel Redirect Back with() Message

I am trying to redirect to the previous page with a message when there is a fatal error. App::fatal( ... getting rendered, am I doing something wrong here? Question&Answers:os...

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

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how to display image in ios push notification?

iOS 10 introduced push notification framework updates, UserNotificationsUI.framework As written on apple docs, it lets ... push notification are doing. Thanks, Question&Answers:os...

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

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273 views

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r - How to add code folding to output chunks in rmarkdown html documents

I really appreciate the "code_folding" feature in RMarkdown. However, what I really need is to have the code ... document: http://rpubs.com/daynefiler/188408 Question&Answers:os...

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

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python - How to check if all of the following items are in a list?

I found, that there is related question, about how to find if at least one item exists in a list: How to ... must do more typing. Is there any other solutions? Question&Answers:os...

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

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343 views

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html - How to vertically align into the center of the content of a div with defined width/height?

What would be the correct method to vertically center any content in a defined width/height div. In the example there ... top:0; bottom: 0; and margin auto. Question&Answers:os...

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

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731 views

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animation - Android fade in and fade out with ImageView

I'm having some troubles with a slideshow I'm building. I've created 2 animations in xml for fade in and ... and only when the fade in animation is executed? Question&Answers:os...

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

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301 views

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c# - Check if a string contains an element from a list (of strings)

For the following block of code: For I = 0 To listOfStrings.Count - 1 If myString.Contains(lstOfStrings.Item(I) ... (more efficient) way to write this code? Question&Answers:os...

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

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375 views

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python - rreplace - How to replace the last occurrence of an expression in a string?

Is there a quick way in Python to replace strings but, instead of starting from the beginning as replace does, starting from ... > '<div><div>Hello</div></bad>' Question&Answers:os...

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

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469 views

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Store JSON object in data attribute in HTML jQuery

I am storing data using the data- approach in a HTML tag like so: <td><"button class='delete' data- ... object in the HTML tag using the data- approach? Question&Answers:os...

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

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2.1k views

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mongodb - How do you use Mongoose without defining a schema?

In previous versions of Mongoose (for node.js) there was an option to use it without defining a schema var ... way to use schema-less models in mongoose? Question&Answers:os...

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

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280 views

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javascript - How can I detect whether an iframe is loaded?

I am trying to check whether an iframe has loaded after the user clicks a button. I have $('#MainPopupIframe'). ... It doesn't load with the initial page load. Question&Answers:os...

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

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151 views

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AngularJS - Passing data between pages

I am an AngularJS starter. I am trying to send data from : Page A : Van Listing page to Page B: ... $scope.formData in the destination page is not recognised. Question&Answers:os...

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

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