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How to Implement Custom Table View Section Headers and Footers with Storyboard
...that tapping the section header causes the first cell in the section to be selected.
As Paul Von points out, this is fixed by returning the cell's contentView instead of the whole cell.
However, as Hons points out, a long press on said section header will crash the app.
The solution is to remove...
Java List.add() UnsupportedOperationException
...to other List implementations that are either immutable or only allow some selected changes.
You can find out about this by reading the documentation of UnsupportedOperationException and List.add(), which documents this to be an "(optional operation)". The precise meaning of this phrase is explaine...
NoSql vs Relational database
...
Well, you can't do SELECT blob FROM images WHERE blob CONTAINS('red car'). So while you can store the data raw in the database, you can't search it without attaching metadata. Full-text-search modules in RDBMS systems bridges some of the semi-s...
Does MS SQL Server's “between” include the range boundaries?
....000
3 2010-05-01 00:00:00.000
4 2010-07-31 00:00:00.000
Query:
SELECT
*
FROM
tbl
WHERE
Start BETWEEN '2010-04-01 00:00:00' AND '2010-05-01 00:00:00'
Results:
ID Start
1 2010-04-30 00:00:01.000
2 2010-04-02 00:00:00.000
...
How can I mask a UIImageView?
..."UIImageViewWithMask" (custom class name above).
On Attributes Inspector: Select mask image you
want to use.
Example
Notes
Your mask image should have a transparent background (PNG) for the non-black part.
share
...
How do I add a class to a given element?
...').addClass('wait');
Removing the class
Performance
Using jQuery selectively is the best method for removing a class if your concerned with performance
var a = document.body, c = ' classname';
$(a).removeClass(c);
Without jQuery it's 32% slower
var a = document.body, c = ' classnam...
Convert PDF to image with high resolution
...ee and appreciate the differences between the two, right-click on each and select "Open Image in New Tab...".)
Also keep the following facts in mind:
The worse, blurry image on the right has a file size of 1.941.702 Bytes (1.85 MByte).
Its resolution is 3060x3960 pixels, using 16-bit RGB color sp...
Retrieve only the queried element in an object array in MongoDB collection
...her answers if you are using a more recent version of MongoDB.
The field selector parameter is limited to complete properties. It cannot be used to select part of an array, only the entire array. I tried using the $ positional operator, but that didn't work.
The easiest way is to just filter the ...
Textarea onchange detection
...lly know how off you are: could be typing or deleting, and could have text selected meaning it's more than just +/- 1).
– brianmearns
Apr 26 '12 at 15:24
66
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Xcode Debugger: view value of variable
...t." "po [indexPath getRow]" -> "Target does not respond to this message selector." :-(
– Manni
Jan 19 '11 at 15:46
4
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