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c# open a new form then close the current form?

... there is no Closed event in windows forms in dot net. Can you tell me is it FormClosed event – Anjali Jul 11 '14 at 9:47 2 ...
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Getting Chrome to accept self-signed localhost certificate

...h this. Please do not change your browser security settings. With the following code, you can (1) become your own CA, (2) then sign your SSL certificate as a CA. (3) Then import the CA certificate (not the SSL certificate, which goes onto your server) into Chrome/Chromium. (Yes, this works even on L...
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What are differences between AssemblyVersion, AssemblyFileVersion and AssemblyInformationalVersion?

...This would result in: [assembly: AssemblyVersion("1.0")] If you're following SemVer strictly then this means you only update when the major changes, so 1.0, 2.0, 3.0, etc. AssemblyFileVersion Used for deployment. You can increase this number for every deployment. It is used by setup programs. U...
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How to use PHP OPCache?

...you will first have to enable it. To do this you would have to do the following. Add the following line to your php.ini: zend_extension=/full/path/to/opcache.so (nix) zend_extension=C:\path\to\php_opcache.dll (win) Note that when the path contains spaces you should wrap it in quotes: zend_exten...
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How to override equals method in Java

... The winning answer on this question has an excellent explanation of why you override hashCode() stackoverflow.com/a/27609/1992108 – Pegasaurus Apr 12 '18 at 16:16 ...
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Why should I avoid using Properties in C#?

... write-only; field access is always readable and writable. This is a win for properties, since you have more fine-grained control of access. A property method may throw an exception; field access never throws an exception. While this is mostly true, you can very well call a method on...
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How do I check if a list is empty?

For example, if passed the following: 27 Answers 27 ...
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Suppress warning CS1998: This async method lacks 'await'

...int result = ...; return Task.FromResult(result); } In the case of throwing NotImplementedException, the procedure is a bit more wordy: public Task<int> Fail() // note: no "async" { var tcs = new TaskCompletionSource<int>(); tcs.SetException(new NotImplementedException()); ret...
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What is a race condition?

... thread changed x in between the check and act. You have no real way of knowing. In order to prevent race conditions from occurring, you would typically put a lock around the shared data to ensure only one thread can access the data at a time. This would mean something like this: // Obtain lock fo...
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MongoDB vs. Cassandra [closed]

...han you would in your present database. This would be the most significant win for Mongo. share | improve this answer | follow | ...