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Java Generics WildCard Question: List<? extends A>

Let's say I have these classes : Vehicle, Car and Spaceship: class Vehicle{ void rideVehicle(Vehicle v){ System. ... is not applicable for the arguments (Car). Question&Answers:os...

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

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python - Pyinstaller and --onefile: How to include an image in the exe file

I have created an exe file using Pyinstaller. pyinstaller.exe --onefile --icon='Loco.ico program.py In the program, ... =True, console=True , icon='AMOS.ico') Question&Answers:os...

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

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r - Access variable value where the name of variable is stored in a string

Similar questions have been raised for other languages: C, sql, java, etc. But I'm trying to do ... manipulation on x, without direct mentioning of ret_series? Question&Answers:os...

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

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permalinks - Wordpress putting %E2%80%8E at the end of my url, howcome?

Wordpress is putting this at the end of my permalink on the live site... %E2%80%8E anyone know why? Thanks guys?! 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 to stdout AND to log file simultaneously with Popen?

I am using Popen to call a shell script that is continuously writing its stdout and stderr to a log file. Is there any ... 2>&1 | tee -a logfile", shell=True) Question&Answers:os...

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

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How to disable GridView scrolling in Android?

I'm using a GridView for a game board. Recently some users have had problems with the board scrolling vertically ... ? Is there a way to disable scrolling? Question&Answers:os...

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

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pathinfo - What exactly is PATH_INFO in PHP?

all external URLs look like 'module/action?key1=param1'. No customization possible--but it's fast. The difference is ... what exactly it is. What does it do? Question&Answers:os...

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

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java - How to read a file from a jar file?

I have a file in a JAR file. It's 1.txt, for example. How can I access it? My source code is: Double result=0.0; ... ":")[1]); } } input.close(); return result; Question&Answers:os...

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

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stream - Fetch with ReadableStream as Request Body

I'm trying to use fetch with a ReadableStream. In this example, the ReadableStream should simply repeat "Some ... streaming data from browser to server via HTTP Question&Answers:os...

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

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c# - page.DataContext not inherited from parent Frame?

I have a Page page in a Frame frame, with frame.DataContext = "foo". (page.Parent as Frame).DataContext is " ... point me to a place where this is mentioned? Question&Answers:os...

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

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javascript - Load HTML File Contents to Div [without the use of iframes]

I'm quite sure this a common question, but I'm pretty new to JS and am having some trouble with this ... in JavaScript if possible. Thanks in advance, everyone! Question&Answers:os...

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

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java - What is fatal signal 6 in android logcat

Closed. This question needs to be more focused. It is not currently accepting answers. Question&Answers:os...

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

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python - Pandas split column into multiple columns by comma

I am trying to split a column into multiple columns based on comma/space separation. My dataframe currently looks like KEYS ... .str.split(' ').apply(Series, 1) Question&Answers:os...

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

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Entity Framework code first. Find primary key

How do I find which property of a class is the primary key of the Entity Framework Code First entity POCO ... getting the key property. Thanks in advance. Question&Answers:os...

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

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Getting android.content.res.Resources$NotFoundException: exception even when the resource is present in android

Please let me know where I am going wrong to get the error. I am creating an app which have one of its activity ... 's not working today. The code is the same. Question&Answers:os...

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

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Android java.lang.NoClassDefFoundError

I have an Android project in eclipse IDE which was working. After some imports and tests, I get the error ... /how-to-fix-the-classdefnotfounderror-with-adt-17 Question&Answers:os...

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

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.net - How to limit the Maximum number of parallel tasks in c#

I have a collection of 1000 input message to process. I'm looping the input collection and starting the new ... in the same sequence/order of the Collection? Question&Answers:os...

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

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security - Is it possible to reverse a sha1?

Is it possible to reverse a sha1? I'm thinking about using a sha1 to create a simple lightweight system to ... I just would like to know who sent it. Question&Answers:os...

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

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c - Does printf("%x",1) invoke undefined behavior?

According to the C standard (6.5.2.2 paragraph 6) If the expression that denotes the called function has a ... that printf("%x", 1) invokes undefined behavior? Question&Answers:os...

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

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python - BeautifulSoup webscraping find_all( ): finding exact match

I'm using Python and BeautifulSoup for web scraping. Lets say I have the following html code to scrape: <body> ... div class="product special">Product 4</div>] Question&Answers:os...

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

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scala - How can I pass extra parameters to UDFs in Spark SQL?

I want to parse the date columns in a DataFrame, and for each date column, the resolution for the date may ... Does anyone know the correct solution? Thank you! Question&Answers:os...

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

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python - Log output of multiprocessing.Process

Is there a way to log the stdout output from a given Process when using the multiprocessing.Process class in python? Question&Answers:os...

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

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How do I round a double to two decimal places in Java?

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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Is it possible to restrict typescript object to contain only properties defined by its class?

Here is my code async getAll(): Promise<GetAllUserData[]> { return await dbQuery(); // dbQuery returns User[] ... only to properties specified by it's type. Question&Answers:os...

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

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r - Match values in data frame with values in another data frame and replace former with a corresponding pattern from the other data frame

Complicated title but here is a simple example of what I am trying to achieve: d <- data.frame(v1 = c(1,2,3, ... loops again! Must be possible :-) somehow... ;) Question&Answers:os...

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

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247 views

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Create File with Google Drive Api v3 (javascript)

I want to create a file with content using Google Drive API v3. I have authenticated via OAuth and have the ... that should be the content of the created file. Question&Answers:os...

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

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651 views

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objective c - iOS 9: How to change volume programmatically without showing system sound bar popup?

I have to change the volume on iPad and using this code: [[MPMusicPlayerController applicationMusicPlayer] ... MPMusicPlayerController. Thank you for advice! Question&Answers:os...

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

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146 views

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java - How to disable SSLv3 in android for HttpsUrlConnection?

We wrote client application in android which connects with https servers using HttpsUrlConnection apis. Due to ... approach for android? Please suggest. Question&Answers:os...

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

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