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How to get my IP address programmatically on iOS/macOS?
...
The following code finds all IPv4 and IPv6 addresses on an iOS or OSX device. The first getIPAddress method acts more or less as the older code in this answer: you can prefer either one or the other type address, and it always prefers WIFI over cellular (obviously you could change thi...
What should be in my .gitignore for an Android Studio project?
...file (sdk path, etc)
local.properties
# Windows thumbnail db
Thumbs.db
# OSX files
.DS_Store
# Android Studio
*.iml
.idea
#.idea/workspace.xml - remove # and delete .idea if it better suit your needs.
.gradle
build/
.navigation
captures/
output.json
#NDK
obj/
.externalNativeBuild
Since Androi...
Popup弹出菜单扩展 · App Inventor 2 中文网
...的大多数功能已经在上面解释过了。菜单项绑定到简单的操作。
基础使用示例
// 设置锚点组件
when Screen1.Initialize
do
// 设置按钮为锚点
set Popup1.Anchor to Button1
// 从字符串设置菜单项
set Popup1.MenuItems...
Casting vs using the 'as' keyword in the CLR
... so if you really care about introducing the smallest number of variables possible in every scope, you might still want to use is followed by a cast.
I don't think any of the answers so far (at the time of starting this answer!) have really explained where it's worth using which.
Don't do this:...
What's the difference between getRequestURI and getPathInfo methods in HttpServletRequest?
...need to match request paths to different handlers (actions) in order to choose the correct one.
4 Answers
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Android : Check whether the phone is dual SIM
...icial multiple SIM API is available now from Android 5.1 onwards
Other possible option :
You can use Java reflection to get both IMEI numbers.
Using these IMEI numbers you can check whether the phone is a DUAL SIM or not.
Try following activity :
import android.app.Activity;
import androi...
In absence of preprocessor macros, is there a way to define practical scheme specific flags at proje
...a, and distribution builds. Each of these schemes would have a set of macros that were defined to gate certain behaviors at the project level. The simplest example is the DEBUG=1 macro that is defined by default for all Xcode projects in the default scheme for the Run build. One could query #ifde...
Is it possible to force Excel recognize UTF-8 CSV files automatically?
...ur file
In the import wizard change the File_Origin to "65001 UTF" (or choose correct language character identifier)
Change the Delimiter to comma
Select where to import to and Finish
This way the special characters should show correctly.
...
How do I expand the output display to see more columns of a pandas DataFrame?
...hether to print out the full DataFrame repr for wide DataFrames
across multiple lines, `max_columns` is still respected, but the output will
wrap-around across multiple "pages" if it's width exceeds `display.width`.
display.float_format: [default: None] [currently: None]
: callable
...
Difference between ProcessBuilder and Runtime.exec()
... arguments obtained are then joined up into a string that is passed to the OS to execute.
So, for example, on Windows,
Runtime.getRuntime().exec("C:\DoStuff.exe -arg1 -arg2");
will run a DoStuff.exe program with the two given arguments. In this case, the command-line gets tokenised and put back...