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Android: create a popup that has multiple selection options
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You can create a String array with the options you want to show there and then pass the array to an AlertDialog.Builder with the method setItems(CharSequence[], DialogInterface.OnClickListener).
An example:
String[] colors = {"red", "green", "blue", "bla...
Table Header Views in StoryBoards
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It looks like one simply drags a control to the top of the table view. I didn't expect it to be that easy.
Before Drop
After Drop
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Is object empty? [duplicate]
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I'm assuming that by empty you mean "has no properties of its own".
// Speed up calls to hasOwnProperty
var hasOwnProperty = Object.prototype.hasOwnProperty;
function isEmpty(obj) {
// null and undefined are "empty"
if (obj == null) return true;
// Assume if it has a...
ReSharper - force curly braces around single line
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edited Jun 17 at 8:55
answered May 7 '16 at 16:29
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What's the difference between parenthesis $() and curly bracket ${} syntax in Makefile?
Is there any differences in invoking variables with syntax ${var} and $(var) ? For instance, in the way the variable will be expanded or anything?
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How do I pass the this context to a function?
...a, 1, 2, 3);
myfunc.apply(obj_a, [1, 2, 3]);
Therefore, you can easily write a function hook by using the apply() method. For instance, we want to add a feature to jQuerys .css() method. We can store the original function reference, overwrite the function with custom code and call the stored funct...
Have nginx access_log and error_log log to STDOUT and STDERR of master process
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Edit: it seems nginx now supports error_log stderr; as mentioned in Anon's answer.
You can send the logs to /dev/stdout. In nginx.conf:
daemon off;
error_log /dev/stdout info;
http {
access_log /dev/stdout;
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}
edit:...
Why is a ConcurrentModificationException thrown and how to debug it
I am using a Collection (a HashMap used indirectly by the JPA, it so happens), but apparently randomly the code throws a ConcurrentModificationException . What is causing it and how do I fix this problem? By using some synchronization, perhaps?
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Rails 4 - passing variable to partial
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edited Nov 26 '13 at 15:21
answered Apr 26 '13 at 17:55
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How to use SCNetworkReachability in Swift
...r was extended repeatedly due to changes in the Swift language, which made it a bit confusing. I have now rewritten it and removed everything which refers to Swift 1.x. The older code can
be found in the edit history if somebody needs it.)
This is how you would do it in Swift 2.0 (Xcode 7):
import...