原创 爲什麼Rails4放棄了對Gemfile中“assets”組的支持 - Why did Rails4 drop support for “assets” group in the Gemfile
問題： In Rails 3, gems used exclusively to generate assets in the asset pipeline were properly placed in the assets grou
2021-12-26 09:18:02
1
原创 C++ 自動& vs 自動 - C++ auto& vs auto
問題： When creating local variables, is it correct to use (const) auto& or auto ?創建局部變量時，使用(const) auto&或auto是否正確？ eg:例如
2021-12-25 21:24:55
1
原创 FCM 獲取 MismatchSenderId - FCM getting MismatchSenderId
問題： I have an application that uses Google FCM for sending push notifications.我有一個使用 Google FCM 發送推送通知的應用程序。 When i se
2021-12-25 21:24:52
1
原创 演員表<int>列出<string>在 .NET 2.0 中 - Cast List<int> to List<string> in .NET 2.0
問題： Can you cast a List<int> to List<string> somehow?你能以某種方式將List<int>爲List<string>嗎？ I know I could loop through and
2021-12-25 21:24:51
3
原创 Can PNG image transparency be preserved when using PHP's GDlib imagecopyresampled?
問題： The following PHP code snippet uses GD to resize a browser-uploaded PNG to 128x128. 以下PHP代碼段使用GD將瀏覽器上傳的PNG調整爲128x1
2021-12-25 21:24:51
1
原创 關閉Hg分支機構 - Closing Hg Branches
問題： When using hg branch FeatureBranchName and publishing it to a central repo that is shared amongst developers, is t
2021-12-25 21:24:51
原创 訓練期間nans的常見原因 - Common causes of nans during training
問題： I've noticed that a frequent occurrence during training is NAN s being introduced.我注意到在訓練期間經常發生的是NAN被引入。 Often tim
2021-12-25 21:24:50
原创 何時調用C ++析構函數？ - When is a C++ destructor called?
問題： Basic Question: when does a program call a class' destructor method in C++? 基本問題：程序何時在C ++中調用類的析構函數方法？ I have been
2021-12-25 21:24:50
1
原创 在 C++20 之前將 malloc 用於 int 未定義行爲 - Is using malloc for int undefined behavior until C++20
問題： I was told that the following code has undefined behavior until C++20:有人告訴我，以下代碼在 C++20 之前具有未定義的行爲： int *p = (int*)
2021-12-25 21:24:49
1
原创 如何從 Android Marshmallow 中的服務請求權限 - How to request permissions from a Service in Android Marshmallow
問題： In Android Marshmallow, permissions should be requested at runtime when they are needed, instead of all at once whe
2021-12-25 21:24:49
1
原创 給定程序使用什麼端口？ [關閉] - What port is a given program using? [closed]
問題： I want to be able to figure out what port a particular program is using. 我希望能夠找出特定程序正在使用的端口。 Are there any program
2021-12-25 21:24:49
原创 JavaScript：一個字符在字符串中出現多少次？ - JavaScript: How many times a character occurs in a string?
問題： 有沒有一種簡單的方法來檢查字符在字符串中出現的次數？ 解決方案：參考： https://stackoom.com/en/question/CBLK
2021-12-25 21:24:49
原创 如何在 HTML 表格中使用 colspan 和 rowspan？ - How do you use colspan and rowspan in HTML tables?
問題： I don't know how to merge rows and columns inside HTML tables.我不知道如何合併 HTML 表格中的行和列。 Can you please help me with
2021-12-25 21:24:49
原创 使用 firebug 打印整個程序的函數日誌/堆棧跟蹤 - Print function log /stack trace for entire program using firebug
問題： Firebug has the ability to log calls to a particular function name. Firebug 能夠記錄對特定函數名稱的調用。 I'm looking for a bug t
2021-12-25 21:24:49
原创 Ruby中chr（）的反義詞是什麼？ - What's the opposite of chr() in Ruby?
問題： In many languages there's a pair of functions, chr() and ord() , which convert between numbers and character value
2021-12-25 21:24:49