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What does the [Flags] Enum Attribute mean in C#?
...s
OneAndTwo = One | Two,
OneTwoAndThree = One | Two | Three,
}
Confirming with LinqPad:
foreach(var e in Enum.GetValues(typeof(Options))) {
string.Format("{0} = {1}", e.ToString(), (byte)e).Dump();
}
Results in:
None = 0
One = 1
Two = 2
OneAndTwo = 3
Three = 4
OneTwoAndThree = 7
...
What is the difference between encrypting and signing in asymmetric encryption?
...am hijacking the entire conversation between them.
Is there a way Bob can confirm that the messages he is receiving are actually sent by Alice?
Alice signs the message with her private key and sends it over. (In practice, what is signed is a hash of the message, e.g. SHA-256 or SHA-512.)
Bob rece...
Standard concise way to copy a file in Java?
...FileUtils.copyFile(); it handles all the heavy lifting for you.
And as a postscript, note that recent versions of FileUtils (such as the 2.0.1 release) have added the use of NIO for copying files; NIO can significantly increase file-copying performance, in a large part because the NIO routines defe...
Is it possible to have multiple styles inside a TextView?
...he html class? I'm assuming its obviously the first one but just wanted to confirm it...
– Legend
Oct 7 '09 at 16:13
2
...
Move branch pointer to different commit without checkout
...ranch
enter the name of an existing branch
press return on the dialog that confirms replacing the old branch of that name.
Beware that re-creating instead of modifying the existing branch will lose tracking-branch information. (This is generally not a problem for simple use-cases where there's on...
What's the best way to check if a file exists in C?
...
POSIX is an ISO standard; it defines access(). C is another ISO standard; it does not.
– Jonathan Leffler
Oct 24 '08 at 7:23
...
Slowing speed of Viewpager controller in android
...ustomDuration. You instantiate with mScroller as a null object, you should confirm that it is still not null when trying to set the scroll factor on that object.
– portfoliobuilder
Aug 15 '16 at 23:37
...
An efficient way to transpose a file in Bash
...real 0m0.390s
user 0m0.370s
sys 0m0.010s
EDIT by Ed Morton (@ghostdog74 feel free to delete if you disapprove).
Maybe this version with some more explicit variable names will help answer some of the questions below and generally clarify what the script is doing. It also uses tabs as the...
Alternatives to dispatch_get_current_queue() for completion blocks in iOS 6?
...re always stronger than any particular authority, which any scientist will confirm. I think the answer above states it very well from a proper software architecture perspective.
– Werner Altewischer
Sep 20 '18 at 14:08
...
How to add calendar events in Android?
...rmation is
// sufficient for most
// entries tentative (0),
// confirmed (1) or canceled
// (2):
eventValues.put("eventTimezone", "UTC/GMT +2:00");
/*Comment below visibility and transparency column to avoid java.lang.IllegalArgumentException column visibility is invalid erro...