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C# code to validate email address
... real way is to send a message to confirm.
Note that e-mail addresses are more forgiving than you might first assume. These are all perfectly valid forms:
cog@wheel
"cogwheel the orange"@example.com
123@$.xyz
For most use cases, a false "invalid" is much worse for your users and future proofing...
How to sleep for five seconds in a batch file/cmd [duplicate]
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It's cleaner and more reliable, IME, to do "ping 127.0.0.1 -n 10 > nul" - each ping waits 1s, so change the number of times to the number of seconds you wish to delay.
– Cybergibbons
Jun 8 '12 at 11:1...
Getting the parent of a directory in Bash
...were trying to remove getting split on a space character and removing much more than expected?
– Christopher Shroba
Dec 1 '16 at 14:02
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Java Class.cast() vs. cast operator
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Why is second variant better? Isn't first variant more efficient because caller's code would do dynamic cast anyway?
– user1944408
Mar 4 '14 at 3:39
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Why doesn't this code simply print letters A to Z?
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Catching java.lang.OutOfMemoryError?
...on and now is the time to drop references to run-time objects to free even more memory that may be required for cleanup. In these cases, it may even be possible to continue but that would definitely be a bad idea as you can never be 100% certain that the JVM is in a reparable state.
Demonstration t...
Enum ToString with user friendly strings
... It does mean that every enum needs it's own extension method. This is more general use and does require more work, but you'd probably want to quantify what "fast" means before we decide on the performance.
– Ray Booysen
Mar 30 '15 at 16:07
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Cannot delete directory with Directory.Delete(path, true)
...ng has shortcuts/symbolic links to other folders - you may end up deleting more then you expected
– Chanakya
May 30 '12 at 14:34
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Difference between a theta join, equijoin and natural join
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What is the equivalent of Java's final in C#?
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good answer - there is one more usage of "final" in java though - on a local variable or method parameter to prevent reassigning it. There is no c# direct equivalent of this.
– serg10
Aug 25 '09 at 12:11
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