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本贴是论坛每日签到系统在每天的第一位签到者签到时所自动生成的,如果您还未签到,请点此进行签到的操作. 我在 2025-09-04 06:35 完成签到,是今天第一个签到的用户,获得随机奖励 小红花 10,另外我还额外获得了 小红花 10.我今天...
App Inventor 2 “虚拟”屏幕：同一屏幕展示多屏内容，模拟切换屏幕 · App...
...虚拟屏幕（虚拟分屏）
好处：大部分需要连接的组件（比如蓝牙客户端、MQTT、BluetoothLE、Wifi、Socket等）如果跨屏幕的话，都需要重新连接，自行管理连接状态，非常不便利，且大部分场景并不是真正的需要多个屏幕...
Razor MVC Populating Javascript array with Model Array
...on javascript array;
use razor to determine the array structure; and
then transform into a 2 dimensional array.
// this just sticks them all in a one dimension array of rows * cols
var myArray = new Array();
@foreach (var d in Model.ResultArray)
{
@:myArray.push("@d");
}
var MyA = new Array()...
How can I generate a unique ID in Python? [duplicate]
...
Yeah, understanding the transformation and whether it is still unique would be nice
– alisa
Mar 15 '16 at 22:00
3
...
JUnit vs TestNG [closed]
... big draw cards for me include test parameters, data providers, annotation transformers, and more than anything - the vibrant and responsive user community.
Whilst on the surface one might not think all of TestNGs features above might not be needed, once you start to understand the flexibility brin...
What is the difference between a generative and a discriminative algorithm?
...iscriminative algorithms. Generative algorithms model p(x,y), which can be transformed into p(y|x) by applying Bayes rule and then used for classification. However, the distribution p(x,y) can also be used for other purposes. For example, you could use p(x,y) to generate likely (x,y) pairs.
From th...
What is the difference between Serialization and Marshaling?
...d but don't understand how it differs from Serialization. Aren't they both transforming objects into series of bits?
12 Ans...
Convert one date format into another in PHP
...use of strtotime, which can be hard to work with at times.
If you are not transforming from one date format to another, but just want the current date (or datetime) in a specific format then it's even easier:
$now = new DateTime();
$timestring = $now->format('Y-m-d h:i:s');
This other questio...
How do you manage databases in development, test, and production?
...ils does this.
First there are so called migration files, that basically transform database schema and data from version N to version N+1 (or in case of downgrading from version N+1 to N). Database has table which tells current version.
Test databases are always wiped clean before unit-tests and ...
Calculate text width with JavaScript
...font-size','font-style', 'font-weight', 'font-family','line-height', 'text-transform', 'letter-spacing'];
$(styles).each(function() {
var s = this.toString();
$(div).css(s, $(el).css(s));
});
h = $(div).outerHeight();
w = $(div).outerWidth();
$(div).remove();
var ret = {
heig...