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How do I send a cross-domain POST request via JavaScript?
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123
If you control the remote server, you should probably use CORS, as described in this answer; i...
How do I change the background color of a plot made with ggplot2
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123
To change the panel's background color, use the following code:
myplot + theme(panel.backgrou...
Remove .php extension with .htaccess
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Gumbo's answer in the Stack Overflow question How to hide the .html extension with Apache mod_...
Differences between Intent and PendingIntent
...argetActivity.class);
i.putExtra("Key1", "ABC");
i.putExtra("Key2", "123");
// Starts TargetActivity
startActivity(i);
IMPLICIT INTENTS
// Implicit Intent by specifying a URI
Intent i = new Intent(Intent.ACTION_VIEW,
Uri.parse("http://www.example.com"));
// Starts Implicit Activ...
MySQL ERROR 1045 (28000): Access denied for user 'bill'@'localhost' (using password: YES)
...the privileges you already granted, e.g. run mysql -u root -p -h 192.168.1.123 or whichever local IP address your box have.
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Which “href” value should I use for JavaScript links, “#” or “javascript:void(0)”?
...You can replace the 0 with a string such as javascript:void('Delete record 123') which can serve as an extra indicator that will show what the click will actually do.
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Error handling in Bash
...ore on Github: github.com/Privex/shell-core
– Someguy123
Oct 8 '19 at 4:39
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Mediator Vs Observer Object-Oriented Design Patterns
...ication while observer works only one way.
– kiwicomb123
Mar 3 '19 at 6:51
Exactly, glad it helped
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Select by partial string from a pandas DataFrame
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df[df['value'].astype(str).str.contains('1234.+')] for filtering out non-string-type columns.
– François Leblanc
Feb 13 '18 at 20:22
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StringUtils 字符串工具扩展：强大的文本处理工具集 · App Inventor 2 中文网
...reen1.Initialize() {
// 左填充到 10 位
UrsAI2StringUtils1.Text = "123"
标签1.Text = UrsAI2StringUtils1.LeftPad(10, "0")
// 结果："0000000123"
// 居中对齐
UrsAI2StringUtils1.Text = "Hi"
标签2.Text = UrsAI2StringUtils1.Center(10, "*")
// 结果："****Hi****"
}
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