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Best way to define error codes/strings in Java?
...ode and error string will be sent to the client accessing the web service. For example, when a SQLException occurs, I might want to do the following:
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Objective-C Static Class Level variables
...Can this be done in Objective-C? I've found it very hard to find an answer for this.
9 Answers
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How do I create delegates in Objective-C?
...interested in, and mark that class as implementing the delegate protocol.
For example, suppose you have a UIWebView. If you'd like to implement its delegate's webViewDidStartLoad: method, you could create a class like this:
@interface MyClass<UIWebViewDelegate>
// ...
@end
@implementation M...
Center a DIV horizontally and vertically [duplicate]
...if the .content is smaller than the browser. It does not work in IE7 and before. In January 2014: IE8 is 3.1%, IE7:0,4% w3schools.com/browsers/browsers_explorer.asp
– Nrc
Mar 9 '14 at 13:02
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android:drawableLeft margin and/or padding
Is it possible to set the margin or padding for the image which we added with the android:drawableLeft ?
18 Answers
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How to draw circle in html page?
...I found using border-radius: 50%; worked well, change the size as desired. For colour you can use background-color or border.
– Grimeh
Jan 7 '15 at 0:41
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How to display unique records from a has_many through relationship?
...omitted from the collection. Useful in conjunction with :through.
UPDATE FOR RAILS 4:
In Rails 4, has_many :products, :through => :orders, :uniq => true is deprecated. Instead, you should now write has_many :products, -> { distinct }, through: :orders. See the distinct section for has_ma...
Preview an image before it is uploaded
I want to be able to preview a file (image) before it is uploaded. The preview action should be executed all in the browser without using Ajax to upload the image.
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Escape quote in web.config connection string
..."Server=dbsrv;User ID=myDbUser;Password=somepass&quot;word"
See this forum thread.
Update:
&quot; should work, but as it doesn't, have you tried some of the other string escape sequences for .NET? \" and ""?
Update 2:
Try single quotes for the connectionString:
connectionString='Serve...
How to obtain the last path segment of a URI
...
is that what you are looking for:
URI uri = new URI("http://example.com/foo/bar/42?param=true");
String path = uri.getPath();
String idStr = path.substring(path.lastIndexOf('/') + 1);
int id = Integer.parseInt(idStr);
alternatively
URI uri = new URI(...