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SVN: Folder already under version control but not comitting?
svn stat says its not under version control, so I try to add it, and then it tells me it is. When I do an svn ci , it doesn't get comitted, and doesn't show up when I try to browse to repository online.
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Use tnsnames.ora in Oracle SQL Developer
...-> Preferences, as shown in below image.
In the Preferences options expand Database --> select Advanced --> under "Tnsnames Directory" --> Browse the directory where tnsnames.ora present.
Then click on Ok,
as shown in below diagram.
tnsnames.ora available at Drive:\oracle\product\10x.x....
Are static fields open for garbage collection?
...ollected for garbage.
Check out the JLS Section 12.7 Unloading of Classes and Interfaces
A class or interface may be unloaded
if and only if its defining class
loader may be reclaimed by the garbage
collector [...] Classes and interfaces
loaded by the bootstrap loader may not
be unloa...
How do I declare and assign a variable on a single line in SQL
...at the ' is escaped by doubling it to ''.
Since the string delimiter is ' and not ", there is no need to escape ":
DECLARE @var nvarchar(max) = '"My Name is Luca" is a great song';
The second example in the MSDN page on DECLARE shows the correct syntax.
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Swift: Testing optionals for nil
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For those who are new to swift as I am and are wondering: You still have to unwrap xyz inside the if block. It's safe though, even if you force unwrap
– Omar
Jun 10 '19 at 1:05
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Difference between Python datetime vs time modules
I am trying to figure out the differences between the datetime and time modules, and what each should be used for.
4 An...
How do I show my global Git configuration?
... Thanks, I upvoted you both. I wanted to know the git config --list command because I can look at the effective config in a repository and I can differ local, global and system config with the appropriate parameter (--global, --local, --system). I'll accept your answer as soon as I'm able to beca...
How to estimate a programming task if you have no experience in it [closed]
...ing too long an estimate. Unanticipated problems occur, priorities change, and requirements are "updated". Even if you don't use all the time you asked for, you will have more testing time, or can release "early".
I've always been far too optimistic in my estimates, and it can put a lot of stress i...
How do I measure execution time of a command on the Windows command line?
Is there a built-in way to measure execution time of a command on the Windows command line?
30 Answers
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How do I ALTER a PostgreSQL table and make a column unique?
..._constraint UNIQUE ((payload::text), name);
– writofmandamus
Oct 6 '17 at 22:22
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