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C# How can I check if a URL exists/is valid?
...arallel.Foreach loop if you hadn't tried that yet. It made my url testing app MUCH faster.
– Jack Fairfield
Apr 28 '17 at 21:59
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How to detect online/offline event cross-browser?
...cable.
Mozilla Firefox (before version 41), Opera, and IE take a different approach, and consider you "online" unless you explicitly pick "Offline Mode" in the browser - even if you don't have a working network connection.
There are valid arguments for the Firefox/Mozilla behavior, which are outline...
adding multiple entries to a HashMap at once in one statement
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Guava is huge, I wouldn't use it for my Android app unless absolutely necessary
– ericn
May 3 '17 at 7:29
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How to determine programmatically whether a particular process is 32-bit or 64-bit
How can my C# application check whether a particular application/process (note: not the current process) is running in 32-bit or 64-bit mode?
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Validation failed for one or more entities. See 'EntityValidationErrors' property for more details [
I am having this error when seeding my database with code first approach.
29 Answers
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ASP.NET web.config: configSource vs. file attributes
Within an web.config -file in an ASP.NET-application some sections of config, like appSettings and connectionStrings , supports the attributes file and configSource .
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When do you use varargs in Java?
...ting to the logs for purposes of debugging.
Pretty much every class in my app has a method debugPrint():
private void debugPrint(Object... msg) {
for (Object item : msg) System.out.print(item);
System.out.println();
}
Then, within methods of the class, I have calls like the following:
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How to install a gem or update RubyGems if it fails with a permissions error
... have permission to write there.
That is the version of Ruby installed by Apple, for their own use. While it's OK to make minor modifications to that if you know what you're doing, because you are not sure about the permissions problem, I'd say it's not a good idea to continue along that track.
In...
How do you access the matched groups in a JavaScript regular expression?
...nsure the regexp has the global flag to avoid an infinite loop.
I'm also happy to see that even this StackOverflow question was referenced in the discussions of the proposal.
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Reduce git repository size
...g is Heroku only allows 50 MB and I'm no where near finished developing my app.
3 Answers
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