原创 “C ++編程語言”第4版第36.3.6節中的代碼是否有明確定義的行爲?

問題: In Bjarne Stroustrup's The C++ Programming Language 4th edition section 36.3.6 STL-like Operations the following c

原创 Haskell組合(。)與F#的管道前向運算符(|>) - Haskell composition (.) vs F#'s pipe forward operator (|>)

問題: In F#, use of the the pipe-forward operator, |> , is pretty common. 在F#中,使用管道轉發運算符|>非常常見。 However, in Haskell I've

原创 Swift-刪除推送通知徽章號碼? - Swift- Remove Push Notification Badge number?

問題: I am trying to remove the icon badge in swift, but PFInstallation doesn't seem to work anymore.我正在嘗試快速刪除圖標徽章,但 PFIn

原创 如何僅使用位移和加法進行乘法和除法? - How can I multiply and divide using only bit shifting and adding?

問題: 如何僅使用位移和加法進行乘法和除法? 解決方案:參考: https://stackoom.com/en/question/BeDb

原创 同一線程錯誤上的 WebView 方法 - WebView methods on same thread error

問題: I have a android program (Java + html in a webview).我有一個 android 程序(webview 中的 Java + html)。 I can call from the ja

原创 Javascript:四捨五入到 5 的下一個倍數 - Javascript: Round up to the next multiple of 5

問題: I need a utility function that takes in an integer value (ranging from 2 to 5 digits in length) that rounds up to t

原创 瞭解密鑰庫,證書和別名 - Understanding keystore, certificates and alias

問題: Is the keystore the actual certificate, or is the alias the certificate? 密鑰庫是實際證書,還是別名證書? If I use a different a

原创 rxjava:我可以使用 retry() 但有延遲嗎? - rxjava: Can I use retry() but with delay?

問題: I am using rxjava in my Android app to handle network requests asynchronously.我在我的 Android 應用程序中使用 rxjava 來異步處理網絡請求

原创 Python:在迭代列表時刪除列表元素[重複] - Python: Removing list element while iterating over list [duplicate]

問題: This question already has answers here : 這個問題在這裏已經有了答案: How to remove items from a list while iterating? 如

原创 Why does django's prefetch_related() only work with all() and not filter()?

問題: suppose I have this model:假設我有這個模型: class PhotoAlbum(models.Model): title = models.CharField(max_length=128)

原创 模塊……不受 gradle 支持 - Module … is not backed by gradle

問題: I'm using IntelliJ IDEA Pro 13.1.2.我正在使用 IntelliJ IDEA Pro 13.1.2。 Never used any versions below 13.從未使用過任何低於 13 的版

原创 如何在android中找到今天或昨天的時間 - How to find time is today or yesterday in android

問題: Iam developing an application for sending sms.我正在開發一個發送短信的應用程序。 Iam storing the current time and showing in the sen

原创 如何創建參數化 SQL 查詢? 我爲什麼要? - How do I create a parameterized SQL query? Why Should I?

問題: I've heard that "everyone" is using parameterized SQL queries to protect against SQL injection attacks without havi

原创 roxygen docs中的任意部分 - Arbitrary sections in roxygen docs

問題: The way Roxygen seems to work is that the first line is the \\title , everything else is in the \\details , and th

原创 如何在 vue-cli 中禁用 ESLint? - How to disable ESLint in vue-cli?

問題: How do I go about disabling ESlint in project generated with vue-cli ?如何在使用vue-cli生成的項目中禁用ESlint ? preLoaders: [