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Best practices for overriding isEqual: and hash
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The hash function should create a semi-unique value that is not likely to collide or match another object's hash value.
Here is the full hash function, which can be adapted to your classes instance variables. It uses NSUInteger's rath...
runOnUiThread in fragment
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Use a Kotlin extension function
fun Fragment?.runOnUiThread(action: () -> Unit) {
this ?: return
if (!isAdded) return // Fragment not attached to an Activity
activity?.runOnUiThread(action)
}
Then, in any Fragment you can just cal...
Access mysql remote database from command line
...rant 'root'@'%' this is a huge security no no!
– josh123a123
Apr 27 '15 at 14:57
1
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Lua简明教程 - 脚本技术 - 清泛IT论坛，有思想、有深度
...中的两个中括号可以用于定义有换行的字符串）a = 'alo\n123"'
a = "alo\n123""
a = '\97lo\10\04923"'
a = [[alo
123"]]复制代码
C语言中的NULL在Lua中是nil，比如你访问一个没有声明过的变量，就是nil，比如下面的v的值就是n...
disable the swipe gesture that opens the navigation drawer in android
...orrect one. I think LOCK_MODE_LOCKED_CLOSED worked in Compat 24.x, but the functionality has been changed in newer compat libraries and LOCK_MODE_LOCKED_CLOSED now completely prevents the nav menu from showing, even via using the hamburger menu.
The following class works for me (Kotlin):
class MyD...
Career day in kindergarten: how to demonstrate programming in 20 minutes? [closed]
...ter though, which by its look may be a 486, and I am not even sure if it's functioning (Update: it isn't).
18 Answers
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Assignment inside lambda expression in Python
... [__import__('math')]
for sub in [lambda *vals: None]
for fun in [lambda *vals: vals[-1]]
for echo in [lambda *vals: sub(
sys.stdout.write(u" ".join(map(unicode, vals)) + u"\n"))]
for Cylinder in [type('Cylinder', (object,), dict(
__init__ =...
What is the exact difference between currentTarget property and target property in javascript
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Minimal runnable example
window.onload = function() {
var resultElem = document.getElementById('result')
document.getElementById('1').addEventListener(
'click',
function(event) {
resultElem.innerHTML += ('<div>target: ' + event.target.id...
Sort Dictionary by keys
...as worked for me:
let dicNumArray = ["q":[1,2,3,4,5],"a":[2,3,4,5,5],"s":[123,123,132,43,4],"t":[00,88,66,542,321]]
let sortedDic = dicNumArray.sorted { (aDic, bDic) -> Bool in
return aDic.key < bDic.key
}
share...
Find and extract a number from a string
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go through the string and use Char.IsDigit
string a = "str123";
string b = string.Empty;
int val;
for (int i=0; i< a.Length; i++)
{
if (Char.IsDigit(a[i]))
b += a[i];
}
if (b.Length>0)
val = int.Parse(b);
...