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Create a symbolic link of directory in Ubuntu [closed]
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This is the behavior of ln if the second arg is a directory. It places a link to the first arg inside it. If you want /etc/nginx to be the symlink, you should remove that directory first and run that same command.
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Correct use of transactions in SQL Server
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Add a try/catch block, if the transaction succeeds it will commit the changes, if the transaction fails the transaction is rolled back:
BEGIN TRANSACTION [Tran1]
BEGIN TRY
INSERT INTO [Test].[dbo].[T1] ([Title], [AVG])
VALUES ('Tid...
git how to disable push [duplicate]
... repository. One method is to rename the branch, another is to undo push if one does it by mistake, but I hope there should be a more direct method.
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Negative list index? [duplicate]
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However, there is a caveat: the behavior is slightly different if you try slice notation. If you use -1 in that case, it returns one element from the last. >>> a = [1,2,3,4,5] >>> a[-1] 5 >>> a[:-1] [1, 2, 3, 4]
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Break statement in javascript array map method [duplicate]
...-in Array.prototype.map. However, you could use a simple for-loop instead, if you do not intend to map any values:
var hasValueLessThanTen = false;
for (var i = 0; i < myArray.length; i++) {
if (myArray[i] < 10) {
hasValueLessThanTen = true;
break;
}
}
Or, as suggested by @RobW,...
JUnit Testing Exceptions [duplicate]
...n exception is thrown.
For
@Test
Junit will consider test as failed if exception is thrown, provided it's an unchecked exception. If the exception is checked it won't compile and you will need to use other methods.
This link might help.
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Java Long primitive type maximum limit [duplicate]
...ch increments by 1 whenever my 'generateNumber'method called. What happens if Long reaches to his maximum limit? will throw any exception or will reset to minimum value?
here is my sample code:
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Why do I get “a label can only be part of a statement and a declaration is not a statement” if I hav
I have the following simplified code:
2 Answers
2
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How to undo last commit [duplicate]
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Warning: Don't do this if you've already pushed
You want to do:
git reset HEAD~
If you don't want the changes and blow everything away:
git reset --hard HEAD~
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Avoiding recursion when reading/writing a port synchronously?
...ion to receive all messages from assyncronous entries and process them as FIFO (first-in, first-out)?
This way you may keep the Assync characteristics of your ports and process them in sync mode.
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