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Expression Versus Statement
...mple: 1+2/x
Statement: A line of code which does something. Example: GOTO 100
In the earliest general-purpose programming languages, like FORTRAN, the distinction was crystal-clear. In FORTRAN, a statement was one unit of execution, a thing that you did. The only reason it wasn't called a "line" wa...
How to update column with null value
...pecial syntax:
CREATE TABLE your_table (some_id int, your_column varchar(100));
INSERT INTO your_table VALUES (1, 'Hello');
UPDATE your_table
SET your_column = NULL
WHERE some_id = 1;
SELECT * FROM your_table WHERE your_column IS NULL;
+---------+-------------+
| some_id | your_column |
+---...
Do you use source control for your database items? [closed]
... about a tool.
– ulty4life
Oct 27 '10 at 22:42
1
There's a distributed version control system for...
How to list only the file names that changed between two commits?
...tify the commits. You can also do, for example
git diff --name-only HEAD~10 HEAD~5
to see the differences between the tenth latest commit and the fifth latest (or so).
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How to print VARCHAR(MAX) using Print Statement?
...could do a WHILE loop based on the count on your script length divided by 8000.
EG:
DECLARE @Counter INT
SET @Counter = 0
DECLARE @TotalPrints INT
SET @TotalPrints = (LEN(@script) / 8000) + 1
WHILE @Counter < @TotalPrints
BEGIN
-- Do your printing...
SET @Counter = @Counter + 1
END
...
How do shift operators work in Java? [duplicate]
...em.out.println(Integer.toBinaryString(2 << 11));
Shifts binary 2(10) by 11 times to the left. Hence: 1000000000000
System.out.println(Integer.toBinaryString(2 << 22));
Shifts binary 2(10) by 22 times to the left. Hence : 100000000000000000000000
System.out.println(Integer.toBinar...
Create a folder inside documents folder in iOS apps
...UserDomainMask, YES);
NSString *documentsDirectory = [paths objectAtIndex:0]; // Get documents folder
NSString *dataPath = [documentsDirectory stringByAppendingPathComponent:@"/MyFolder"];
if (![[NSFileManager defaultManager] fileExistsAtPath:dataPath])
[[NSFileManager defaultManager] createDi...
Resizing an Image without losing any quality [closed]
...de = PixelOffsetMode.HighQuality;
gr.DrawImage(srcImage, new Rectangle(0, 0, newWidth, newHeight));
}
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Setting the zoom level for a MKMapView
...
201
I found myself a solution, which is very simple and does the trick. Use MKCoordinateRegionMakeW...
Remove Safari/Chrome textinput/textarea glow
...
630
Edit (11 years later): Don't do this unless you're going to provide a fallback to indicate which...