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A numeric string as array key in PHP
Is it possible to use a numeric string like "123" as a key in a PHP array, without it being converted to an integer?
11 A...
cn.fun123.ClientSocketAI2Ext 中文网升级版 Socket客户端拓展,TCP通信拓...
最新版:https://www.fun123.cn/reference/ ... ctivity.html#Socket
已经加入发送二进制的接口。
原版:
报错后,App直接崩溃,没得选择,体验不好!
AppInventor2中文网升级版:
连接出错后,使用对话框组件个性展示出错信...
第一次注册,fun123,发贴 - 闲聊区 - 清泛IT社区,为创新赋能!
第一次注册,fun123,发贴
请多多关照{:8_355:} 新人
扒了一下源码,ESP8285接入App Inventor有4种玩法,第3种最香 - AI 助手 - ...
...5这个芯片怎么接入App Inventor 2?我翻了MIT的源码和我们fun123的30多个扩展,把所有可行路径都摸了一遍。先说结论:不用开发新扩展,现有组件就能用。
ESP8285是什么?和ESP8266啥关系?
ESP8285是乐鑫(Espressif)出的WiFi芯片,本...
Parse query string into an array
...alone is note accurate, it could display for example:
$url = "somepage?id=123&lang=gr&size=300";
parse_str() would return:
Array (
[somepage?id] => 123
[lang] => gr
[size] => 300
)
It would be better to combine parse_str() with parse_url() like so:
$url = "som...
How to validate phone numbers using regex
...ou should discard the (0) entirely).
Then, you end up with values like:
12345678901
12345678901x1234
345678901x1234
12344678901
12345678901
12345678901
12345678901
+4112345678
+441234567890
Then when you display, reformat to your hearts content. e.g.
1 (234) 567-8901
1 (234) 567-89...
Why does isNaN(“ ”) (string with spaces) equal false?
...
But parseInt("123abcd") returns 123, which means isNaN(parseInt("123abcd")) will return false while it should return true!
– Pawan Nogariya
Dec 27 '12 at 6:23
...
Why would I ever use push_back instead of emplace_back?
... will be invalid after the call.
std::vector<int> v;
v.emplace_back(123);
v.emplace_back(v[0]); // Produces incorrect results in some compilers
On one compiler, v contains the values 123 and 21 instead of the expected 123 and 123. This is due to the fact that the 2nd call to emplace_back re...
How can I print the contents of a hash in Perl?
...
Data::Dumper is your friend.
use Data::Dumper;
my %hash = ('abc' => 123, 'def' => [4,5,6]);
print Dumper(\%hash);
will output
$VAR1 = {
'def' => [
4,
5,
6
],
'abc' => 123
...
What is the 'dynamic' type in C# 4.0 used for?
...'ve been using C# so long that it just feels "wrong" to me.
dynamic foo = 123;
foo = "bar";
OK, so you most likely will not be writing code like the above very often. There may be times, however, when variable reuse can come in handy or clean up a dirty piece of legacy code. One simple case I run...
