大约有 13,000 项符合查询结果（耗时：0.0208秒） [XML]
Map.clear() vs new Map : Which one will be better? [duplicate]
...
Complicated question. Let's see what happens.
You instantiate a new instance, which is backed with new array. So, garbage collector should clear all the key and values from the previous map, and clear the reference to itself. So O(n) algorithm is executed anyway...
Reading in a JSON File Using Swift
...{
if let jsonData = NSData(contentsOfFile: path, options: .DataReadingMappedIfSafe, error: nil)
{
if let jsonResult: NSDictionary = NSJSONSerialization.JSONObjectWithData(jsonData, options: NSJSONReadingOptions.MutableContainers, error: nil) as? NSDictionary
{
if ...
A potentially dangerous Request.Path value was detected from the client (*)
...mvc attribute on an action so I don't have to turn this off for the entire app? Similar to this answer here: stackoverflow.com/a/1540976/298758
– longda
May 30 '13 at 23:01
4
...
Display clearColor UIViewController over UIViewController
... black background. Does anybody know what is wrong with it? Any suggestion appreciated.
16 Answers
...
Angularjs prevent form submission when input validation fails
... need for controller checks". What if we ant additional validation checks happen in the submit function.
– SlaterCodes
Jul 31 '14 at 18:42
6
...
Failed to load c++ bson extension
A total node noob here. I've been trying to set up a sample node app but the following error keeps popping up every time I try to run:
...
What does the NS prefix mean?
...e for the Cocoa frameworks came from the NeXTSTEP libraries Foundation and AppKit (those names are still used by Apple's Cocoa frameworks), and the NextStep engineers chose to prefix their symbols with NS.
Because Objective-C is an extension of C and thus doesn't have namespaces like in C++, symbol...
Date query with ISODate in mongodb doesn't seem to work
... new Date() constructor which returns a Date object using the ISODate() wrapper.
ISODate() constructor which returns a Date object using the ISODate() wrapper.
and using ISODate should still return a Date object.
{"$date": "ISO-8601 string"} can be used when strict JSON representation is re...
How can I decrease the size of Ratingbar?
...et.Material.RatingBar.Small (assuming you're using Material Design in your app).
Option 1:
<RatingBar
android:id="@+id/ratingBar"
style="?android:attr/ratingBarStyleSmall"
... />
Option 2:
// styles.xml
<style name="customRatingBar"
parent="android:style/Widget.Mater...
Semantic Issue: Property's synthesized getter follows Cocoa naming convention for returning 'owned'
I'm currently using the iOS 5 SDK trying to develop my app.
I'm trying to make an NSString a property, and then to synthesize it in the .m file (I have done this before with no issues). Now, I came across this: "Semantic Issue: Property's synthesized getter follows Cocoa naming convention for return...