大约有 40,000 项符合查询结果（耗时：0.0505秒） [XML]
How to get UILabel to respond to tap?
...= UITapGestureRecognizer(target: self, action: #selector(self.actionTapped(_:)))
tempLabel?.isUserInteractionEnabled = true
tempLabel?.addGestureRecognizer(tapAction)
Action receiver
func actionTapped(_ sender: UITapGestureRecognizer) {
// code here
}
Swift 4.0
Initialize the gesture...
What's a reliable way to make an iOS app crash?
...
Since we all use Clang for iOS, this is fairly reliable:
__builtin_trap();
This has the benefit that it's designed for exactly this purpose, so it shouldn't generate any compiler warnings or errors.
share...
How to print struct variables in console?
...se2{
Page: 1,
Fruits: []string{"apple", "peach", "pear"}}
res2B, _ := json.Marshal(res2D)
fmt.Println(string(res2B))
That would print:
{"page":1,"fruits":["apple","peach","pear"]}
If you don't have any instance, then you need to use reflection to display the name of the field of a g...
How to Select Every Row Where Column Value is NOT Distinct
...r be used in an aggregate function error. Is the only fix - editing the sql_mode?
– Volodymyr Bobyr
Jul 16 at 16:21
...
MVC (Laravel) where to add logic
... or dwightwatson/validating for more information.
Magic Methods: I use the __get and __set methods of my models to hook into functionality where appropriate
Extending Eloquent: If there's an action you'd like to take on all update/create you can even extend eloquent and apply it to multiple models.
...
Integrating the ZXing library directly into my Android application
...t XML file:
<ImageView
android:id="@+id/qrCode"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="50dp"
android:layout_centerHorizontal="true"/>
Code snippet:
// ImageView to display the QR code in. This should be defin...
MFC RadioButton用法详解 - C/C++ - 清泛网 - 专注C/C++及内核技术
...件定义Control变量或Value变量，每组只能定义一个）
BOOL m_Radio1;//对应于组 1 1
BOOL m_Radio3; //对应于组 2 1
BOOL m_Radio7; //对应于组 3 1
BOOL m_Radio9; //对应于组 4 1
CButton m_RBtGroup1; //对应于组 1 1
CButton m_RBtGroup2;...
PHP and Enumerations
... self::$constCacheArray = [];
}
$calledClass = get_called_class();
if (!array_key_exists($calledClass, self::$constCacheArray)) {
$reflect = new ReflectionClass($calledClass);
self::$constCacheArray[$calledClass] = $reflect->getConstants();...
Run command on the Ansible host
... you just want to run a single task on your Ansible host, you can use local_action to specify that a task should be run locally. For example:
- name: an example playbook
hosts: webservers
tasks:
- ...
- name: check out a git repository
local_action: git repo=git://foosball.example.org/...
OAuth with Verification in .NET
...emporary "request token"
var rtUrl = "https://api.twitter.com/oauth/request_token";
oauth["consumer_key"] = MY_APP_SPECIFIC_KEY;
oauth["consumer_secret"] = MY_APP_SPECIFIC_SECRET;
oauth.AcquireRequestToken(rtUrl, "POST");
THAT'S IT. Simple. As you can see from the code, the way to get to oau...