大约有 30,000 项符合查询结果(耗时:0.0380秒) [XML]
How to pass a variable from Activity to Fragment, and pass it back?
...ls, the loosely coupled nature can make it really difficult to track who's calling who and where different events take place.
– Johan Paul
Dec 12 '16 at 6:03
add a comment
...
Exception thrown in NSOrderedSet generated accessors
... before passing back to the NSManagedObject, which should if any reason be calling isEqualToOrderedSet to determine if the set needs to even change or be left as is.
– InitJason
Jan 19 '12 at 17:42
...
Git: How to rebase to a specific commit?
...t:
Find a previous branching point of the branch to be rebased (moved) - call it old parent. In the example above that's A
Find commit on top of which you want to move the branch to - call it new parent. In the exampe that's B
You need to be on your branch (the one you move):
Apply your rebase: g...
MySQL: Fastest way to count number of rows
...unt with this single query:
SELECT FOUND_ROWS();
FOUND_ROWS() has to be called immediately after the data selecting query.
In conclusion, everything actually comes down to how many entries you have and what is in the WHERE statement. You should really pay attention on how indexes are being use...
Getting value of public static final field/property of a class in Java via reflection
...et(null);
Exception handling is left as an exercise for the reader.
Basically you get the field like any other via reflection, but when you call the get method you pass in a null since there is no instance to act on.
This works for all static fields, regardless of their being final. If the field...
Convert JSON String To C# Object
...keyword, you can read how here.
If you declare a class or struct, you can call Deserialize instead of DeserializeObject like so:
class MyProgram {
struct MyObj {
public string test { get; set; }
}
static void Main(string[] args) {
var json_serializer = new JavaScriptSe...
Prevent form submission on Enter key press
...op down and one radio button . When the enter key is pressed, I want to call my JavaScript function, but when I press it, the form is submitted.
...
Struct constructor: “fields must be fully assigned before control is returned to the caller.”
...
@RogerWillcocks, just call the default constructor then: public YourStruct(some params) : this() (see vittore's answer)
– Thomas Levesque
Nov 27 '12 at 2:25
...
Iterating a JavaScript object's properties using jQuery
...ject as the first argument and a function as a second. This functions gets calld for every element in the array / every property in the object. Every time the function is called, it get the index and value / name and value passed in as arguments. In my example the parameter "n" are the two string "J...
Animate the transition between fragments
...Nurik this answer worked great on most devices, but for some users (specifically on some Samsung Galaxy S3/4 phones) the width wasn't getting reported during the animations for some reason, causing the fragment to never appear. I was able to get it working for those users using an OnPredrawListener ...
