大约有 34,900 项符合查询结果（耗时：0.0507秒） [XML]
How to get object size in memory? [duplicate]
I need to know how much bytes my object consumes in memory (in C#). for example how much my Hashtable , or SortedList , or List<String> .
...
Distinct() with lambda?
... edited Jul 21 '15 at 20:24
Konrad Viltersten
25.6k4343 gold badges176176 silver badges324324 bronze badges
answered Nov 11 '10 at 19:19
...
What are best practices for validating email addresses on iOS 2.0
...d for primitive regular expressions.
I recommend a real parser approach like MKEmailAddress.
As quick regular expressions solution see this modification of DHValidation:
- (BOOL) validateEmail: (NSString *) candidate {
NSString *emailRegex =
@"(?:[a-z0-9!#$%\\&'*+/=?\\^_`{|}~-]+(?:\\.[a...
Accessing members of items in a JSONArray with Java
...e how to access string values within a JSONArray. For instance, my json looks like this:
6 Answers
...
Android Google Maps v2 - set zoom level for myLocation
...
It's doubtful you can change it on click with the default myLocation Marker. However, if you would like the app to automatically zoom in on your location once it is found, I would check out my answer to this question
Note that the answer I provided does not zoom...
Is Java's assertEquals method reliable?
I know that == has some issues when comparing two Strings . It seems that String.equals() is a better approach. Well, I'm doing JUnit testing and my inclination is to use assertEquals(str1, str2) . Is this a reliable way to assert two Strings contain the same content? I would use assertTr...
Rails 4: how to use $(document).ready() with turbo-links
... I just learned that jQuery's "ready" event doesn't fire on subsequent clicks when turbo-linking is turned on. The first time you load a page it works. But when you click a link, anything inside the ready( function($) { won't get executed (because the page doesn't actually load again). Good explan...
How do I ZIP a file in C#, using no 3rd-party APIs?
...
Are you using .NET 3.5? You could use the ZipPackage class and related classes. Its more than just zipping up a file list because it wants a MIME type for each file you add. It might do what you want.
I'm currently using these classes for a similar problem to archive se...
Accessing dict keys like an attribute?
I find it more convenient to access dict keys as obj.foo instead of obj['foo'] , so I wrote this snippet:
27 Answers
...
Adding HTML entities using CSS content
...
You have to use the escaped unicode :
Like
.breadcrumbs a:before {
content: '\0000a0';
}
More info on : http://www.evotech.net/blog/2007/04/named-html-entities-in-numeric-order/
sha...