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git config - Difference between author and committer in Git?

I am trying to make a commit like git commit --author="John Doe <[email protected]>" -m "<the usual commit message>" ... as well to the other user? If yes, how? Question&Answers:os...

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

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python - How to open a file for both reading and writing?

Is there a way to open a file for both reading and writing? As a workaround, I open the file for writing, ... way to open a file for both reading and writing? Question&Answers:os...

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

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javascript - Why is arr = [] faster than arr = new Array?

I ran this code and got the below result. I curious to know why [] is faster? console.time('using[]') ... code and some more possible way to define a variable. Question&Answers:os...

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

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arrays - What is "undefined x 1" in JavaScript?

I'm doing some small experiments based on this blog entry. I am doing this research in Google Chrome's debugger ... anybody know what undefined x 1 refers to? Question&Answers:os...

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

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r - Split character column into several binary (0/1) columns

I have a character vector like this: a <- c("a,b,c", "a,b", "a,b,c,d") What I would ... .table and reshape but am really struggling. Any and help appreciated. Question&Answers:os...

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

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asp.net - what's the issue with AttachDbFilename

Apparently, using AttachDbFilename and user instance in your connection string is a bad way to connect to a DB ... SQL server then? Thanks for your explanation. Question&Answers:os...

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

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python 3.x - Pip error even Microsoft Visual C++ 14.0 is installed

I read all of the questions and answers which are related or asked before and I still didn't find an appropriate ... + is required PS: I want to install airflow Question&Answers:os...

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

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java - To display an image

I want to display an image from the web to a panel in another JFrame at the click of a button. Whenever ... .JPanel jPanel1; // End of variables declaration } Question&Answers:os...

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

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python - Cannot install pygame in Pycharm

I'm on Windows 10 on an Asus. I'm using python 3.8. I installed successfully pygame on another computer ( ... this issue? NOTE: Every package works but pygame Question&Answers:os...

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

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sql server - Get size of all tables in database

I have inherited a fairly large SQL Server database. It seems to take up more space than I would expect, given ... much space on disk each table is consuming? Question&Answers:os...

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

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github - Git push existing repo to a new and different remote repo server?

Say I have a repository on git.fedorahosted.org and I want to clone this into my account at github to have ... in the fedorahosted repo into the github one? Question&Answers:os...

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

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angularjs - Redirecting to a certain route based on condition

I'm writing a small AngularJS app that has a login view and a main view, configured like so: $routeProvider ... 'll post this question anyway and keep looking. Question&Answers:os...

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

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java - MVC pattern on Android

Is it possible to implement the model-view-controller pattern in Java for Android? Or is it already implemented ... to implement the MVC pattern for Android? Question&Answers:os...

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

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ios - How would I create a UIAlertView in Swift?

I have been working to create a UIAlertView in Swift, but for some reason I can't get the statement right because ... just can't seem to get the syntax right. Question&Answers:os...

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

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ios - What is "Constrain to margin" in Storyboard in Xcode 6

I am Working with autolayout and constraints and found there is a Constrain to margins option in Xcode 6 which was not ... , I wonder if it's related to this. Question&Answers:os...

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

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.net - How to rethrow InnerException without losing stack trace in C#?

I am calling, through reflection, a method which may cause an exception. How can I pass the exception to ... the new exception throw tiex.InnerException; } } Question&Answers:os...

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

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269 views

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ios - UILabel sizeToFit doesn't work with autolayout ios6

How am I supposed to configure programmatically (and in which method) a UILabel whose height depends on its text? I' ... make it too big and it doesn't shrink. Question&Answers:os...

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

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c++ faq - When do I use a dot, arrow, or double colon to refer to members of a class in C++?

Coming from other C-derived languages (like Java or C#) to C++, it is at first very confusing that C++ has three ... read by those who came up with the idea.)_ Question&Answers:os...

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

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846 views

1 answer

internationalization - PHP function to make slug (URL string)

I want to have a function to create slugs from Unicode strings, e.g. gen_slug('Andrés Cortez') should return andres-cortez. How should I do that? Question&Answers:os...

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

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76 views

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android - Full Screen Theme for AppCompat

I would like to know how can I apply full screen theme ( no title bar + no actionbar ) to an ... that hiding the actionbar with getSupportActionBar().hide(); Question&Answers:os...

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

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230 views

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android - Upgraded to AppCompat v22.1.0 and now getting IllegalArgumentException: AppCompat does not support the current theme features

I've just upgraded my app to use the newly released v22.1.0 AppCompat and I'm now getting the following ... (AppCompatActivity.java:106) How do I fix it? Question&Answers:os...

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

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191 views

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java - How to preserve insertion order in HashMap?

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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196 views

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java - Practical uses for AtomicInteger

I sort of understand that AtomicInteger and other Atomic variables allow concurrent accesses. In what cases is this class typically used though? Question&Answers:os...

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

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181 views

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android - How to check if Location Services are enabled?

I'm developing an app on Android OS. I don't know how to check if Location Services are enabled or not. I need ... case I can show a dialog to enable them). Question&Answers:os...

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

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163 views

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c# - Detect Windows version in .NET

How can I detect the Windows OS versions in .NET? What code can I use? Question&Answers:os...

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

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1 answer

c# - Why does adding a new value to list<> overwrite previous values in the list<>

I'm essentially trying to add multiple items to a list but at the end all items have the same value equal to ... added rows are overwritten tags.Add(_tag); } Question&Answers:os...

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

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703 views

1 answer

rust - Why is adding a lifetime to a trait with the plus operator (Iterator<Item = &Foo> + 'a) needed?

I'm applying a closure on the iterator and I want to use stable, so I want to return a boxed Iterator. ... understand What this does And why it is needed here Question&Answers:os...

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

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238 views

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assembly - Why doesn't gcc resolve _mm256_loadu_pd as single vmovupd?

I'm writing some AVX code and I need to load from potentially unaligned memory. I'm currently loading 4 doubles, hence I ... ) 7.3.0 on Ubuntu 18.04 x86-64. Question&Answers:os...

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

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