大约有 1,970 项符合查询结果（耗时：0.0363秒） [XML]
Is there a way to iterate over a dictionary?
...
Yes, NSDictionary supports fast enumeration. With Objective-C 2.0, you can do this:
// To print out all key-value pairs in the NSDictionary myDict
for(id key in myDict)
NSLog(@"key=%@ value=%@", key, [myDict objectForKey:key]);
The alternate method (which you have to use if you'r...
Failed to instantiate module [$injector:unpr] Unknown provider: $routeProvider
I received this error upon upgrading from AngularJS 1.0.7 to 1.2.0rc1 .
3 Answers
...
How do I animate constraint changes?
...ht (for example)
// Step 2, trigger animation
[UIView animateWithDuration:2.0 animations:^{
// Step 3, call layoutIfNeeded on your animated view's parent
[self.view layoutIfNeeded];
}];
share
|
...
How to use the toString method in Java?
...(" + x + ", " + y + ")";
}
results in
Bourne's current location - (1.0, 2.0) //concise and informative
The usefulness of overriding toString() becomes even more when the method is invoked on collections containing references to these objects. For example, the following
public static void main(...
Android List View Drag and Drop sort
...harm. Much better then others. What is license of your source code? Apache 2.0?
– Dariusz Bacinski
Jul 3 '12 at 7:56
...
Using Linq to get the last N elements of a collection?
...
.NET Core 2.0+ provides the LINQ method TakeLast():
https://docs.microsoft.com/en-us/dotnet/api/system.linq.enumerable.takelast
example:
Enumerable
.Range(1, 10)
.TakeLast(3) // <--- takes last 3 items
.ToList()
....
How do I push a local repo to Bitbucket using SourceTree without creating a repo on bitbucket first?
...assword -H "Content-Type: application/json" \
https://api.bitbucket.org/2.0/repositories/teamsinspace/new-repository4 \
-d '{"scm": "git", "is_private": "true", "fork_policy": "no_public_forks" }'
Under Windows, curl is available from the Git Bash shell.
Using this method you could easily c...
How can I list (ls) the 5 last modified files in a directory?
... 1 user staff 502K 8 Jan 10:20 lab-01.pdf
-rw-rw-rw-@ 1 user staff 2.0M 5 Jan 22:06 0410-1.wmv
share
|
improve this answer
|
follow
|
...
What is the worst gotcha in C# or .NET? [closed]
...ly looks in the current assembly and in mscorlib.
Anonymous methods
C# 2.0 introduced anonymous methods, leading to nasty situations like this:
using System;
using System.Threading;
class Test
{
static void Main()
{
for (int i=0; i < 10; i++)
{
ThreadStar...
calculating the difference in months between two dates
...
@HakamFostok: Sorry - it will work when 2.0 is released, but until then you need to use Period.Between. Have edited the code so it'll work with NodaTime 1.3.1.
– Jon Skeet
Oct 4 '15 at 12:59
...