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How to create a new (and empty!) “root” branch?
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vcsjonesvcsjones
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When and why I should use session_regenerate_id()?
... is identified by his session id.
// User orders items
$shopcart->add('123', 20);
$shopcart->add('124', 18);
$shopcart->add('127', 5);
For each product added, a record is made in my shopcart table. Also identified by the session id.
// User saves cart in order to use it later
$shopcart-...
What does “%.*s” mean in printf?
...
123
You can use an asterisk (*) to pass the width specifier/precision to printf(), rather than har...
TaifunWiFi 拓展：WiFi Manager WiFi管理器扩展 · App Inventor 2 中文网
...设的家庭网络
call WiFi1.ConnectSSID "HomeNetwork_5G", "password123"
// 连接成功后控制设备
when WiFi1.AfterWifiNegotiation ssid, success
do
if success and ssid = "HomeNetwork_5G" then
call InitializeSmartDevices
3. 网络诊断工具
检查网...
How do I fix “for loop initial declaration used outside C99 mode” GCC error?
...
There is a compiler switch which enables C99 mode, which amongst other things allows declaration of a variable inside the for loop. To turn it on use the compiler switch -std=c99
Or as @OysterD says, declare the variable outside the loop.
...
Why is the asterisk before the variable name, rather than after the type?
...
123
If you look at it another way, *myVariable is of type int, which makes some sense.
...
How to add JTable in JPanel with null layout?
...bleModel model = new DefaultTableModel(
new String[][] { { "a", "123"} , {"b", "456"} },
new String[] { "name", "value" } );
JTable t = new JTable(model);
JPanel panel = new JPanel(null);
JScrollPane scroll = new JScrollPane(t);
scroll.setBounds( 0, 20...
How can I check if character in a string is a letter? (Python)
...
You can use str.isalpha().
For example:
s = 'a123b'
for char in s:
print(char, char.isalpha())
Output:
a True
1 False
2 False
3 False
b True
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How to send an email using PHP?
...
123
You could also use PHPMailer class at https://github.com/PHPMailer/PHPMailer .
It allows you ...
Iterate over the lines of a string
...ingIO. See docs.python.org/3/library/io.html
– Attila123
Dec 13 '18 at 11:09
1
Using StringIO is ...