大约有 3,000 项符合查询结果(耗时:0.0124秒) [XML]

https://stackoverflow.com/ques... 

When to use the different log levels

...ere error events that will presumably lead the application to abort. [v2.0: ..] severe error that will prevent the application from continuing. ERROR: [v1.2: ..] error events that might still allow the application to continue running. [v2.0: ..] error in the application, possibly reco...
https://stackoverflow.com/ques... 

Android - Launcher Icon Size

...6 x 36. MDPI should be 48 x 48. TVDPI should be 64 x 64. HDPI should be 72 x 72. XHDPI should be 96 x 96. XXHDPI should be 144 x 144. XXXHDPI should be 192 x 192. Then just put each of them in the separate stalks of the drawable folder. You are also required to give a large version of your ...
https://stackoverflow.com/ques... 

builder for HashMap

... Since Java 9 Map interface contains: Map.of(k1,v1, k2,v2, ..) Map.ofEntries(Map.entry(k1,v1), Map.entry(k2,v2), ..). Limitations of those factory methods are that they: can't hold nulls as keys and/or values (if you need to store nulls take a look at other answers) produce...
https://stackoverflow.com/ques... 

What is the best way to concatenate two vectors?

... Definitely not clear in general that v1 + v2 doesn't represent addition. – Apollys supports Monica Oct 9 '18 at 21:02 ...
https://stackoverflow.com/ques... 

Installing a dependency with Bower from URL and specify version

...ry.cookie": "latest", "everestjs": "http://www.everestjs.net/static/st.v2.js" } Running bower install, I received following output: bower new version for http://www.everestjs.net/static/st.v2.js#* bower resolve http://www.everestjs.net/static/st.v2.js#* bower download h...
https://stackoverflow.com/ques... 

Reshape three column data frame to matrix (“long” to “wide” format) [duplicate]

... base R, unstack unstack(df, V3 ~ V2) # a b c # 1 1 2 3 # 2 3 3 2 This may not be a general solution but works well in this case. data df<-structure(list(V1 = structure(c(1L, 1L, 1L, 2L, 2L, 2L), .Label = c("x", "y"), class = "factor"), V2 = structu...
https://www.fun123.cn/referenc... 

中文网(自研/维护)拓展 · App Inventor 2 中文网

... 教育 入门必读 中文教程 IoT专题 AI2拓展 ChatGPT接入 Aia Store 开通VIP 搜索 中文网(自研/维护)拓展 ...
https://stackoverflow.com/ques... 

Simplest way to detect a mobile device in PHP

...('/(android|bb\d+|meego).+mobile|avantgo|bada\/|blackberry|blazer|compal|elaine|fennec|hiptop|iemobile|ip(hone|od)|iris|kindle|lge |maemo|midp|mmp|netfront|opera m(ob|in)i|palm( os)?|phone|p(ixi|re)\/|plucker|pocket|psp|series(4|6)0|symbian|treo|up\.(browser|link)|vodafone|wap|windows (ce|phone)|xda...
https://stackoverflow.com/ques... 

Compare version numbers without using split function

...tatic void Main() { string v1 = "1.23.56.1487"; string v2 = "1.24.55.487"; var version1 = new Version(v1); var version2 = new Version(v2); var result = version1.CompareTo(version2); if (result > 0) Console.WriteLine("version1 is gr...
https://stackoverflow.com/ques... 

How to add a browser tab icon (favicon) for a website?

...icon-114x114.png" /> <link rel="apple-touch-icon-precomposed" sizes="72x72" href="apple-touch-icon-72x72.png" /> <link rel="apple-touch-icon-precomposed" sizes="144x144" href="apple-touch-icon-144x144.png" /> <link rel="apple-touch-icon-precomposed" sizes="60x60" href="apple-touch-...