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python - How to upload a file to directory in S3 bucket using boto

I want to copy a file in s3 bucket using python. Ex : I have bucket name = test. And in the bucket, I ... "dump" folder using python... Can anyone help me? Question&Answers:os...

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

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python - How to write a file or data to an S3 object using boto3

In boto 2, you can write to an S3 object using these methods: Key.set_contents_from_string() Key.set_contents_from_file() ... data to an object stored on S3? Question&Answers:os...

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

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336 views

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javascript - Twitter Bootstrap alert message close and open again

I have a problem with alert messages. It is displayed normally, and I can close it when the user presses x ( ... button clicked). Or what I am doing wrong? Question&Answers:os...

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

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polymorphism - Private virtual method in C++

What is the advantage of making a private method virtual in C++? I have noticed this in an ... createElement(const AtomicString& tagName, ExceptionCode&); }; Question&Answers:os...

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

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Force update of an Android app when a new version is available

I have an app in Google Play Store. When an update version is available, the older version will become ... the app when a new version becomes available? Question&Answers:os...

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

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290 views

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python - matplotlib: Group boxplots

Is there a way to group boxplots in matplotlib? Assume we have three groups "A", "B", and "C" and for ... since my scenario involves much longer names than "A". Question&Answers:os...

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

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angularjs - What is the Angular ui-router lifecycle? (for debugging silent errors)

The best I've found is http://www.ng-newsletter.com/posts/angular-ui-router.html. It doesn't go as deep as, ... the need. See my answer below for a snippet. Question&Answers:os...

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

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objective c - NSInvalidUnarchiveOperationException: Could not instantiate class named NSLayoutConstraint

I am very new to this. I followed Apple's tutorial step by step for the iPhone project "HelloWorld". I ran it in ... me what went wrong? I'm using Xcode 4.5. Question&Answers:os...

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

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assembly - What does @plt mean here?

0x00000000004004b6 <main+30>: callq 0x400398 <printf@plt> Anyone knows? UPDATE Why two disas printf give me different ... (%rip),%rdx # 0x37aa44d3c2 <printf+98> Question&Answers:os...

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

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c# - Admin rights for a single method

Is it possible to require administrator rights for one single method? Something like this: [RequireAdminRightsForThisMethod() ... TheMethod(){ // Do something } Question&Answers:os...

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

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swift - Saving Picked Image to CoreData

I am able to pick and display an image from the photo library, but my goal is to be able ... ? UIImage self.dismissViewControllerAnimated(true, completion: nil) Question&Answers:os...

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

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mysql - Are there disadvantages to using a generic varchar(255) for all text-based fields?

I have a contacts table which contains fields such as postcode, first name, last name, town, country, phone number etc, ... index at all? FYI I'm using MySQL 5. Question&Answers:os...

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

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java - Android audio FFT to retrieve specific frequency magnitude using audiorecord

I am currently trying to implement some code using Android to detect when a number of specific audio frequency ... to draw it as a graphical representation? Question&Answers:os...

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

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php - Calculating image size ratio for resizing

I have a defined fixed width and height to resize an image. However, I have problem a with this, because ... maximum width? I appreciate any help with this. Question&Answers:os...

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

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java - Consider defining a bean of type 'package' in your configuration [Spring-Boot]

I am getting the following error: *************************** APPLICATION FAILED ... ApplicantImpl class which @Autowires my repo TApplicantRepository into it. Question&Answers:os...

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

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php - how to create virtual host on XAMPP

I am sure this question is being asked many times but I am not encounter with a problem. I am using XAMPP ... 03:01 [Apache] entire log window on the forums Question&Answers:os...

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

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scroll - Android automatic horizontally scrolling TextView

I am trying to implement a single-line text view that will scroll automatically. But I unfortunatly cannot ... (0, REFRESH_INTERVAL); } }; } Question&Answers:os...

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

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557 views

1 answer

visual studio - How to support both vcxproj to cmake on a project?

I'm developing cross-platform c++ project. The original idea is to work with msvc2010 and later compile for ... .filters, or there is another good solution? Question&Answers:os...

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

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python - Scrapy and proxies

How do you utilize proxy support with the python web-scraping framework Scrapy? Question&Answers:os...

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

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203 views

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python - Access data in package subdirectory

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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ios - How to use generic protocol as a variable type

Let's say I have a protocol : public protocol Printable { typealias T func Print(val:T) } And here is the implementation ... () for item in col { item.Print() } Question&Answers:os...

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

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Android onClick in XML vs. OnClickListener

I realize that a similarly-worded question has been asked before, but this is different. I am pretty ... fragments in Android make in implementation choice? Question&Answers:os...

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

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c++ - What does the "lock" instruction mean in x86 assembly?

I saw some x86 assembly in Qt's source: q_atomic_increment: movl 4(%esp), %ecx lock incl (%ecx) mov $0, ... don't understand how this code implements the Add? Question&Answers:os...

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

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Is generator.next() visible in Python 3?

I have a generator that generates a series, for example: def triangle_nums(): '''Generates a series of ... explains this difference in behavior for Python 3. Question&Answers:os...

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

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284 views

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node.js - Pipe a stream to s3.upload()

I'm currently making use of a node.js plugin called s3-upload-stream to stream very large files to Amazon S3. ... .upload() something I can pipe the stream to? Question&Answers:os...

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

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264 views

1 answer

ASP.NET MVC 4 Web API Authentication with Membership Provider

I have an ASP.NET MVC 4 Project using the Web API. On the controller I have set the class to require ... calls? If not what is? Thanks in advance! Question&Answers:os...

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

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400 views

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apache - Virtualhost For Wildcard Subdomain and Static Subdomain

I have an odd situation where I want to have the URLs app1.example.com, example.com and *.example.com ... to change the DocumentRoot variable does not fix it. Question&Answers:os...

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

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197 views

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java - Why generate long serialVersionUID instead of a simple 1L?

When class implements Serializable in Eclipse, I have two options: add default serialVersionUID(1L) or ... any reason to generate long serialVersionUID? Question&Answers:os...

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

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