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Creating an abstract class in Objective-C
I'm originally a Java programmer who now works with Objective-C. I'd like to create an abstract class, but that doesn't appear to be possible in Objective-C. Is this possible?
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Dynamically replace the contents of a C# method?
... Update: By including a reference to System.Reflection.Emit, Harmony now compiles and tests OK with .NET Core 3
– Andreas Pardeike
May 2 '19 at 5:48
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jQuery vs document.querySelectorAll
...t would be very hard to do in regular javascript .
However , as far as I know, you can achieve the same result with document.querySelector or document.querySelectorAll , which are supported in Internet Explorer 8 and above.
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Can I query MongoDB ObjectId by date?
I know that ObjectIds contain the date they were created on. Is there a way to query this aspect of the ObjectId?
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javac : command not found
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I don't know exactly what yum install java will actually install. But to check for javac existence do:
> updatedb
> locate javac
preferably as root. If it's not there you've probably only installed the Java runtime (JRE) and ...
MD5 algorithm in Objective-C
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Thanks! Patched it up now. This was never a problem for me since in the original implementation, I always ran it in a dedicated thread ;)
– Alexander W
Oct 10 '14 at 8:59
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javac is not recognized as an internal or external command, operable program or batch file [closed]
...jre). Enter the directory.
Then enter the bin directory of that.
You are now in the correct directory. Copy the path. If in File Explorer, click the address bar. If in Command Prompt, copy the prompt.
The resulting Java path should be in the form of (without quotes):
C:\Program Files\Java\jdkxxx...
SQLite in Android How to update a specific row
I've been trying to update a specific row for a while now, and it seems that there are two ways to do this. From what I've read and tried, you can just use the:
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Entity Framework: One Database, Multiple DbContexts. Is this a bad idea? [closed]
... @PiotrKwiatek Not sure if this changed between your comment and now, but Enable-Migrations -ContextTypeName MyContext -MigrationsDirectory Migrations\MyContextMigrations works now.
– Zack
Aug 10 '15 at 15:30
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Pandas - How to flatten a hierarchical index in columns
...test version of pandas. It works with 0.18 but not with 0.20 (latest as of now)
– TH22
Oct 10 '17 at 20:59
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