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Convert Long into Integer
...ong) l;
All three versions generate almost identical byte code:
0 ldc2_w <Long 123> [17]
3 invokestatic java.lang.Long.valueOf(long) : java.lang.Long [19]
6 astore_1 [l]
// first
7 aload_1 [l]
8 invokevirtual java.lang.Long.intValue() : int [25]
11 invokestatic java.lang.Integer...
Why won't my PHP app send a 404 error?
...
if (strstr($_SERVER['REQUEST_URI'],'index.php')){
header('HTTP/1.0 404 Not Found');
echo "<h1>404 Not Found</h1>";
echo "The page that you have requested could not be found.";
exit();
}
If you look at the la...
Will using 'var' affect performance?
...it ([0] string string1,
[1] string string2)
IL_0000: nop
IL_0001: ldc.i4.s 9
IL_0003: newarr [mscorlib]System.Char
IL_0008: newobj instance void [mscorlib]System.String::.ctor(char[])
IL_000d: stloc.0
IL_00...
Floating View 扩展：悬浮视图扩展，将组件转换为悬浮窗口 · App Inventor 2 中文网
...时跳转设置，授权后再创建并显示悬浮布局：
when 按钮_显示.Click() {
if FloatingView1.CheckDrawOverlayPermission() {
FloatingView1.SetupView(垂直布局_悬浮, true, 100, 500)
FloatingView1.ShowFloatingView()
} else {
FloatingView1.RequestDrawOverlayPermission...
django: BooleanField, how to set the default value to true?
...fields/#django.forms.Field.initial ) like
class MyForm(forms.Form):
my_field = forms.BooleanField(initial=True)
If you're using a ModelForm, you can set a default value on the model field ( https://docs.djangoproject.com/en/2.2/ref/models/fields/#default ), which will apply to the resulting M...
Django admin: how to sort by one of the custom list_display fields that has no database field
How could I sort Customers, depending on number_of_orders they have?
3 Answers
3
...
Execute the setInterval function without delay the first time
...interval with immediate execution
var myInterval = setIntervalImmediately( _ => {
console.log('hello');
}, 1000);
// clear interval after 4.5 seconds
setTimeout( _ => {
clearInterval(myInterval);
}, 4500);
To be cheeky, if you really need to use setInterval then you ...
How to convert JSON string to array
...
If you pass the JSON in your post to json_decode, it will fail. Valid JSON strings have quoted keys:
json_decode('{foo:"bar"}'); // this fails
json_decode('{"foo":"bar"}', true); // returns array("foo" => "bar")
json_decode('{"foo":"bar"}'); // ret...
Sending multipart/formdata with jQuery.ajax
...how is it possible to send this Data to the server? The resulting array ( $_POST ) on the serverside php-script is 0 ( NULL ) when using the file-input.
...
Is there an equivalent to CTRL+C in IPython Notebook in Firefox to break cells that are running?
...e is no other shortcut to restart the kernel.
– alpha_989
Feb 10 '18 at 23:42
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