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Center content of UIScrollView when smaller
I have a UIImageView inside a UIScrollView which I use for zooming and scrolling. If the image / content of the scroll view is bigger than the scroll view, everything works fine. However, when the image becomes smaller than the scroll view, it sticks to the top left corner of the scroll view. I ...
Open directory dialog
...g one. I could "hack up" the functionality by letting the user pick a file and then strip the path to figure out which directory it belongs to but that's unintuitive at best. Has anyone seen this done before?
...
Why does Java have transient fields?
...ct.
For example, you may have fields that are derived from other fields, and should only be done so programmatically, rather than having the state be persisted via serialization.
Here's a GalleryImage class which contains an image and a thumbnail derived from the image:
class GalleryImage imple...
String literals and escape characters in postgresql
...s such:
insert into EscapeTest (text) values (E'This is the first part \n And this is the second');
This suppressed the warning, but the text was still not being returned correctly. When I added the additional slash as Michael suggested, it worked.
As such:
insert into EscapeTest (text) values ...
Why should I use IHttpActionResult instead of HttpResponseMessage?
I have been developing with WebApi and have moved on to WebApi2 where Microsoft has introduced a new IHttpActionResult Interface that seems to recommended to be used over returning a HttpResponseMessage . I am confused on the advantages of this new Interface. It seems to mainly just provide a SL...
I need a Nodejs scheduler that allows for tasks at different intervals [closed]
...* * * * *' - runs every 5 seconds
'10,20,30 * * * * *' - run at 10th, 20th and 30th second of every minute
'0 * * * * *' - runs every minute
'0 0 * * * *' - runs every hour (at 0 minutes and 0 seconds)
But also more complex schedules e.g.
'00 30 11 * * 1-5' - Runs every weekday (Monday through Fr...
iOS 7's blurred overlay effect using CSS?
...han just a transparency. Any ideas on how to achieve this effect with CSS and possibly JS?
14 Answers
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Java - sending HTTP parameters via POST method easily
...;param2=b&param3=c";
byte[] postData = urlParameters.getBytes( StandardCharsets.UTF_8 );
int postDataLength = postData.length;
String request = "http://example.com/index.php";
URL url = new URL( request );
HttpURLConnection conn= (HttpURLConnection) url.openConnecti...
When should the xlsm or xlsb formats be used?
... (in particular, .xlsx , .xlsm , .xlsb ). I've got no problem to understand the use and purpose of .xlsx format but I am still wondering whether we should use a .xlsm or a .xlsb format when creating a file containing some VBA.
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UITableView set to static cells. Is it possible to hide some of the cells programmatically?
...a] directly)
This doesn't use the hacky solution with setting height to 0 and allows you to animate the change and hide whole sections
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