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Want to find records with no associated records in Rails
...he contact into memory. The SQL request speed is the same, but the overall app benefit is much larger.
– chrismanderson
Mar 23 '17 at 0:09
2
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SHA-1 fingerprint of keystore certificate
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If you're writing Android apps on Xamarin, use this: keytool -list -v -keystore "%USERPROFILE%\AppData\Local\Xamarin\Mono for Android/debug.keystore" -alias androiddebugkey -storepass android -keypass android
– Jay Sidri
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What is the difference between Polymer elements and AngularJS directives?
...rties...We think these things are helpful for building web component-based apps.
GREEN: The comprehensive set of UI components (green layer) is still in progress. These will be web components that use all of the red + yellow layers.
Angular directives vs. Custom Elements?
See Alex Russell's answe...
Detect whether there is an Internet connection available on Android [duplicate]
...signal, captive portals, content filters and the like can all prevent your app from reaching a server. For instance you can't tell for sure if your app can reach Twitter until you receive a valid response from the Twitter service.
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Is it possible to create static classes in PHP (like in C#)?
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What happens if two threads call greet at the same time? As there is no synchronisation, won't initialise be called twice (which in this case is ok, but in many other cases would not). Or is php single threaded and non-preemptive l...
Cordova: start specific iOS emulator image
I'm developing a cross-platform mobile app using Cordova, focussing mainly on iOS in the development stage.
10 Answers
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iOS 7 - Failing to instantiate default view controller
I am using Xcode 5 in a newly created app and when I just create it I go for the run button e click on it, then the project gets built but it does not show in the iOS Simulator and I get the following message:
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Is there “Break on Exception” in IntelliJ?
...h and without caught exceptions are bad, because usually, in a typical web application, all exceptions use to be caught, there's a top-level catch block which catches everything and formats it to be presented to the user. So without the caught exceptions, it doesn't break on anything, with them, it ...
Where Is Machine.Config?
I want to apply a change so That I can use Server GC settings for my C# 3.5 app - I can do that by editing the machine.config file.
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Create a shortcut on Desktop
...InternetShortcut]");
writer.WriteLine("URL=" + linkUrl);
}
}
Application shortcut
private void appShortcutToDesktop(string linkName)
{
string deskDir = Environment.GetFolderPath(Environment.SpecialFolder.DesktopDirectory);
using (StreamWriter writer = new StreamWriter(deskDir...