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Should you choose the MONEY or DECIMAL(x,y) datatypes in SQL Server?
...mon2*@mon3
SET @num4 = @num1/@num2*@num3
SELECT @mon4 AS moneyresult,
@num4 AS numericresult
Output: 2949.0000 2949.8525
To some of the people who said that you don't divide money by money:
Here is one of my queries to calculate correlations, and changing that to money gives wrong r...
Is there a “null coalescing” operator in JavaScript?
...n't match that of C#, but this is the general, terse way of assigning default/alternative values in JavaScript.
Clarification
Regardless of the type of the first operand, if casting it to a Boolean results in false, the assignment will use the second operand. Beware of all the cases below:
aler...
Git ignore file for Xcode projects
...nore it.
# - minor tweaks from Jona and Coeur (slightly more precise xc* filtering/names)
# 2014 updates:
# - appended non-standard items DISABLED by default (uncomment if you use those tools)
# - removed the edit that an SO.com moderator made without bothering to ask me
# - researched CocoaPods .lo...
Give all the permissions to a user on a DB
... %I TO my_user', nspname), '; ')
FROM pg_namespace
WHERE nspname <> 'information_schema' -- exclude information schema and ...
AND nspname NOT LIKE 'pg\_%' -- ... system schemas
);
END
$$;
Then, all permissions for all tables (requires Postgres 9.0 or later).
And don...
How to apply a function to two columns of Pandas dataframe
...ell. Give the df object you defined, another approach (with equivalent results) is df.apply(lambda x: x[0] + x[1], axis = 1).
– Jubbles
Jan 10 '15 at 1:37
2
...
Creating a left-arrow button (like UINavigationBar's “back” style) on a UIToolbar
...wer. So here is additional code:
// Creates a back button instead of default behaviour (displaying title of previous screen)
UIBarButtonItem *backButton = [[UIBarButtonItem alloc] initWithImage:[UIImage imageNamed:@"back_arrow.png"]
sty...
I need to pop up and trash away a “middle” commit in my master branch. How can I do it?
...er repos will accept the push.
Here's a good way to erase: git rebase -i <commit>^
That takes you to the commit just before the one you want to remove. The interactive editor will show you a list of all the commits back to that point. You can pick, squash, etc. In this case remove the line fo...
Override configured user for a single git commit
...global option. This will set the configuration in this repository only.
Alternatively, you can do this for only a single command, using the -c option:
git -c "user.name=Your Name" -c "user.email=Your email" commit ...
But I think it's better to just use the config options above.
...
What do these words mean in Git: Repository, fork, branch, clone, track?
...anges. You can later merge your branch changes. Branches let you work on multiple disparate features at once.
You can also track individual branches in remote repositories. This allows you to pull in changes from another individual's branches and to merge them into a branch of your own. This may be...
AES Encryption for an NSString on the iPhone
...
Since you haven't posted any code, it's difficult to know exactly which problems you're encountering. However, the blog post you link to does seem to work pretty decently... aside from the extra comma in each call to CCCrypt() which caused compile errors.
A later comment...