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Remove rows with all or some NAs (missing values) in data.frame
...na.omit is nicer for just removing all NA's. complete.cases allows partial selection by including only certain columns of the dataframe:
> final[complete.cases(final[ , 5:6]),]
gene hsap mmul mmus rnor cfam
2 ENSG00000199674 0 2 2 2 2
4 ENSG00000207604 0 NA NA ...
SQL Server - stop or break execution of a SQL script
...SERROR to actually stop the script. E.g.,
:on error exit
IF NOT EXISTS (SELECT * FROM sys.objects WHERE object_id = OBJECT_ID(N'[dbo].[SOMETABLE]') AND type in (N'U'))
RaisError ('This is not a Valid Instance Database', 15, 10)
GO
print 'Keep Working'
will output:
Msg 50000, Level 15, St...
Create new user in MySQL and give it full access to one database
...';
Where ALL (priv_type) can be replaced with specific privilege such as SELECT, INSERT, UPDATE, ALTER, etc.
Then to reload newly assigned permissions run:
FLUSH PRIVILEGES;
Executing
To run above commands, you need to run mysql command and type them into prompt, then logout by quit command...
iOS 7: UITableView shows under status bar
...ks, but for some versions of xCode ctrl+dragging to "Top Layout Guide" and selecting Vertical Spacing does nothing. However, by first adjusting the size of the Table View and then selecting "Top Space to Top Layout Guide" works
Drag a blank ViewController onto the storyboard.
Drag a UITableView...
jQuery Date Picker - disable past dates
I am trying to have a date Range select using the UI date picker.
16 Answers
16
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How to perform .Max() on a property of all objects in a collection and return the object with maximu
...c T MaxObject<T,U>(this IEnumerable<T> source, Func<T,U> selector)
where U : IComparable<U> {
if (source == null) throw new ArgumentNullException("source");
bool first = true;
T maxObj = default(T);
U maxKey = default(U);
foreach (var ...
Difference between id and name attributes in HTML
...mitted, there is just the one value in the response - the radio button you selected.
Of course, there's more to it than that, but it will definitely get you thinking in the right direction.
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Database, Table and Column Naming Conventions? [closed]
...lar "entity names" in queries, that's what I would use table aliases for:
SELECT person.Name
FROM People person
A bit like LINQ's "from person in people select person.Name".
As for 2, 3 and 4, I agree with @Lars.
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Showing the same file in both columns of a Sublime Text window
...Inside sublime editor,Find the Tab named View,
View --> Layout --> "select your need"
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How to fix “Referenced assembly does not have a strong name” error?
...at does not "have a strong name key", do
Right click on the project file
Select Properties
Select "Signing tab" (on the left)
Click the check box "Sign the assembly"
Then <Browse> to the .snk file you found earlier
That should do the trick. This solved a problem for me for one project usin...