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“Default Activity Not Found” on Android Studio upgrade
...e launch activity default?
possibly this could be your mistake
Step 1: Select Edit Configurations
Step 2: watch this warning: Default Activity not found
Step 3: select a default activity
Step 3: Save your changes and finish
Good Luck
...
Unable to generate an explicit migration in entity framework
...s the same EF config in its app.config as the web project. but even when I selected the repository project as startup project it didnt work, but when I set the web project to startup it did.
– JimiSweden
Sep 22 '17 at 15:27
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Is there a shortcut to move between header and source file in VC++?
...urrentExtension As String = IO.Path.GetExtension(CurrentPath)
Select Case CurrentExtension
Case ".h", ".hpp", ".hxx"
OtherPath = IO.Path.ChangeExtension(CurrentPath, ".cpp")
If (Not IO.File.Exists(OtherPath)) Then
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Opening project in Visual Studio fails due to nuget.targets not found error
...
Install Nuget.
Right click on the solution and select "Enable NuGet
Package Restore". In Visual Studio 2013 and later, select "Restore NuGet Packages" instead.
Click Ok on the warning.
Close and re-open the solution.
Should now be hunky-dory.
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How do I create a basic UIButton programmatically?
...onWithType:UIButtonTypeCustom];
[button addTarget:self
action:@selector(aMethod:)
forControlEvents:UIControlEventTouchUpInside];
[button setTitle:@"Show View" forState:UIControlStateNormal];
button.frame = CGRectMake(80.0, 210.0, 160.0, 40.0);
[view addSubview:button];
...
convert_tz returns null
...L's dev site) the command was unable to convert between timezones such as
SELECT CONVERT_TZ('2004-01-01 12:00:00','UTC','MET') AS time
It turns out that on OS X there are two files that cause problems: /usr/share/zoneinfo/Factory and /usr/share/zoneinfo/+VERSION.
The fix... temporarily moving t...
How do I launch the Android emulator from the command line?
...pment you just use the same Ant script you used to build the project, just select install target. However, you can install the application manually using command adb install <path-to-your-APK>.
Now switch to emulator and launch your application like on any normal device, through the launcher. ...
ValueError: The truth value of an array with more than one element is ambiguous. Use a.any() or a.al
...al code
mask = ((r["dt"] >= startdate) & (r["dt"] <= enddate))
selected = r[mask]
looks correct. However, if you do want and, then instead of a and b use (a-b).any() or (a-b).all().
share
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Visual Studio move project to a different folder
...olution in VS2012
Move your project to the new location
Open your solution
Select the project that failed to load
In the Properties tool window, there an editable “File path” entry that allows you to select the new project location
Set the new path
Right click on the project and click reload
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Cocoa Core Data efficient way to count entities
...an efficient way to make a count over an Entity-Type (like SQL can do with SELECT count(1) ...). Now I just solved this task with selecting all with NSFetchedResultsController and getting the count of the NSArray ! I am sure this is not the best way...
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