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How can I default a parameter to Guid.Empty in C#?
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Explanation
Why didn't Guid.Empty work?
The reason you are getting the error is because Empty is defined as:
public static readonly Guid Empty;
So, it is a variable, not a constant (defined as static readonly not as const). Compiler can only have compiler-known values as method parameters def...
Repair all tables in one go
... mysqlcheck -u root -p --auto-repair --check --optimize --all-databases Error: mysqlcheck doesn't support multiple contradicting commands
– Alekc
Dec 5 '13 at 15:41
11
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When is null or undefined used in JavaScript? [duplicate]
... // false
z.xyz === undefined // true
null = 1; // throws error: invalid left hand assignment
undefined = 1; // works fine: this can cause some problems
So this is definitely one of the more subtle nuances of JavaScript. As you can see, you can override the value of undefine...
Could not load file or assembly 'System.Net.Http.Formatting' or one of its dependencies. The system
...mall MVC app that I use for practice reasons, but now I am encountering an error every time I try to debug:
18 Answers
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Encrypt and decrypt a string in C#?
...yptKey, byte[] authKey, byte[] nonSecretPayload = null)
{
//User Error Checks
if (cryptKey == null || cryptKey.Length != KeyBitSize / 8)
throw new ArgumentException(String.Format("Key needs to be {0} bit!", KeyBitSize), "cryptKey");
if (authKey == null || authKey.Lengt...
Waiting on a list of Future
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return result;
}
});
}
int received = 0;
boolean errors = false;
while(received < 4 && !errors) {
Future<SomeResult> resultFuture = completionService.take(); //blocks if none available
try {
SomeResult result = resultFuture.get();
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Adding one day to a date
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...As long as it doesn't cause fatal errors when run on your host ;)
– Henrik Erlandsson
Jan 13 '15 at 13:18
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Import SQL dump into PostgreSQL database
...ve tried that psql mydatabase < C:\database\db-backup.sql but i get the error Invalid command \database. I also tried with " " around it.
– dazz
Jul 27 '11 at 10:05
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Saving changes after table edit in SQL Server Management Studio
... saved in SQL Server Management Studio (no data in table present) I get an error message:
7 Answers
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what is the difference between const_iterator and iterator? [duplicate]
... if you try to modify the content using *it in second case you will get an error because its read-only.
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