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Error handling principles for Node.js + Express.js applications?
... like error reporting/handling is done differently in Node.js+ Express.js applications compared to other frameworks. Am I correct in understanding that it works as follows?
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How to handle :java.util.concurrent.TimeoutException: android.os.BinderProxy.finalize() timed out af
...ize, BinderProxy.finalize , and PlainSocketImpl.finalize . 90+% of them happen on Android 4.3. We're getting reports of this from Crittercism from users out in the field.
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Enable Vim Syntax Highlighting By Default
...m scratch. Instead, pickup the example vimrc from the following location: /Applications/MacVim.app/Contents/Resources/vim/runtime/vimrc_example.vim. Copy this file to your $HOME as .vimrc. It switches on a lot of basic stuff for you automatically (syntax, search highlighting, backup etc). You can th...
Scala Doubles, and Precision
...u may use implicit classes:
import scala.math._
object ExtNumber extends App {
implicit class ExtendedDouble(n: Double) {
def rounded(x: Int) = {
val w = pow(10, x)
(n * w).toLong.toDouble / w
}
}
// usage
val a = 1.23456789
println(a.rounded(2))
}
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Create a folder inside documents folder in iOS apps
I just want to create new folders in the documents folder of my iPhone app.
9 Answers
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Android WebView, how to handle redirects in app instead of opening a browser
So right now in my app the URL I'm accessing has a redirect, and when this happens the WebView will open a new browser, instead of staying in my app. Is there a way I can change the settings so the View will redirect to the URL like normal, but stay in my app instead of opening a new browser?
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How to write to an existing excel file without overwriting data (using pandas)?
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Here is a helper function:
def append_df_to_excel(filename, df, sheet_name='Sheet1', startrow=None,
truncate_sheet=False,
**to_excel_kwargs):
"""
Append a DataFrame [df] to existing Excel file [filenam...
How do I start my app on startup?
...d not work. So what changes do I have to make and to what files to have my app start automatically when Android finishes booting up?
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图表组件 · App Inventor 2 中文网
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How to debug apk signed for release?
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Be sure that android:debuggable="true" is set in the application tag of your manifest file, and then:
Plug your phone into your computer and enable USB debugging on the phone
Open eclipse and a workspace containing the code for your app
In Eclipse, go to Window->Show View-...