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import - Why does this AttributeError in python occur?

There is one thing, that I do not understand. Why does this import scipy # happens with several other modules ... has no attribute 'sparse' 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 - ProGuard for Android and GSON

I'm setting up ProGuard for my Android project. My project also uses GSON. I've researched ProGuard configurations ... for GSON in Android? See Question&Answers more detail:os...

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

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373 views

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android - How to set the app icon as the notification icon in the notification drawer

As shown in the figure... I am getting my notification icon(on left to the red colour). But I need to ... (uniqueID, notification.build()); } See Question&Answers more detail:os...

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

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tfs power tools - Shell Extension : Not showing in Windows Explorer context

I have Windows 7 Professional x64. I have Visual Studio 2010 Premium and Visual Studio 2012 Premium installed on ... please? 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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c# - Entity Framework The underlying provider failed on Open

Below is my connection string: connectionString="metadata=res://*/EDMX.Test.csdl|res://*/EDMX.Test.ssdl|res:// ... and test again and it worked See Question&Answers more detail:os...

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

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499 views

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mysql - How to use python mysqldb to insert many rows at once

I have a list of lists, e.g [['a','b'],['c','d']]. I have a table called T and two fields F1, F2. The first ... values (%s, %s)", (i[0], i[1])) 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# - Copying one Azure blob to another blob in Azure Storage Client 2.0

In the old 1.7 storage client there was a CloudBlob.CopyFromBlob(otherBlob) method, but it does not seem to be present ... , how do I use 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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c++ - What does `auto && e` do in range-based for-loops?

Assuming my current rule when programming with range-based loops says Use for(auto const &e :...) or for(auto ... needed do not use references. See Question&Answers more detail:os...

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

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encryption - Can I encrypt my JSON data?

I'm developing a JQuery web app that will be executed locally from a DVD. The app will read all the contents of ... only the app can read 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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java - Spring security added prefix "ROLE_" to all roles name?

I have this code in my Web Security Config: @Override protected void configure(HttpSecurity http) throws Exception { ... " instead "ADMIN"? 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 - AngularJS: ng-if not working in combination with ng-click?

Given this test case using AngularJS 1.2 rc3: http://plnkr.co/edit/MX6otx (repeated below) 1. <li ng- ... work in future updates of AngularJS? 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 - MediaPlayer.setDataSource(String) not working with local files

I am able to play a local mp3 if I use the static method MediaPlayer.create(context, id) but ... src/cc/openframeworks/OFAndroidSoundPlayer.java 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 to count duplicates in Ruby Arrays

How do you count duplicates in a ruby array? For example, if my array had three a's, how could I count that See Question&Answers more detail:os...

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

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regex - How to replace all characters in a Java string with stars

I want to replace all the characters in a Java String with * character. So it shouldn't matter what character ... tried myself but no success. 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 enums with attributes

Consider: class Item: def __init__(self, a, b): self.a = a self.b = b class Items: GREEN = Item('a', ... /* accessors and other java noise */ } 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 to generate a dynamic "in (...)" sql list through Spring JdbcTemplate?

Is it possible to generate arbitrary "in ()" lists in a SQL query through Jdbc template: example: "select * ... of values only known at runtime. 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 - Using sys/socket.h functions on windows

I'm attempting to utilize the socket.h functions within Windows. Essentially, I'm currently looking at the ... a UNIX environment. 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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343 views

1 answer

php - Making a HTTP GET request with HTTP-Basic authentication

I need to build a proxy for a Flash Player project I'm working on. I simply need to make a HTTP GET request ... source. How can I 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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java - Why BCryptPasswordEncoder from Spring generate different outputs for same input?

I am using BCryptPasswordEncoder with Spring security. My expectation was that for the same input I will ... behave like 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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276 views

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Google Analytics blocks Android App

I use Google Analytics in my Android App and it works well. After updating the SDK (google play service) ... again without freezing at startup? See Question&Answers more detail:os...

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

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483 views

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How to get current CPU and RAM usage in C++?

is it possible, in C++, to get the current RAM and CPU usage? Is there a platform-indepentent function call? See Question&Answers more detail:os...

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

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496 views

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Google BigQuery Delete Rows?

Anyone know of any plans to add support for delete parts of data from a table in Google Bigquery? The issue ... coming in the near future? See Question&Answers more detail:os...

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

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265 views

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Difference between file, file_get_contents, and fopen in PHP

I am new to PHP, and I am not quite sure: what is the difference between the file(), file_get_contents(), and ... I use one over the other? See Question&Answers more detail:os...

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

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242 views

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Runtime exception Android O with boot_completed

I'm trying to start an IntentService within my BOOT_COMPLETED receiver, but in Android O (API 26) I get: java. ... I do this the correct 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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343 views

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javascript - Can I load a local file into an html canvas element?

My goal is to have users on iPad load an image into a canvas, then get the base 64 encoded said ... advice is greatly appreciated! 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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391 views

1 answer

sql - Solution to "cannot perform a DML operation inside a query"?

I am using a Data Analysis tool and the requirement I have was to accept a value from the user, pass that ... why it is illegal/not recommended See Question&Answers more detail:os...

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

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633 views

1 answer

angularjs - scope and controller instantiation with ui router

I am confused about when controllers get instantiated. Also, how do controllers gets instantiated when nesting states. ... ' } } }) See Question&Answers more detail:os...

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

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464 views

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python - Delete blank rows from CSV?

I have a large csv file in which some rows are entirely blank. How do I use Python to delete all blank rows ... there a better 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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