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What does the “yield” keyword do?
...one, etc. And generators return... well that's where yield comes in:
def f123():
yield 1
yield 2
yield 3
for item in f123():
print item
Instead of yield statements, if you had three return statements in f123() only the first would get executed, and the function would exit. But f1...
module.exports vs exports in Node.js
...:
var x = require('file1.js');
contents of file1.js:
module.exports = '123';
When the above statement is executed, a Module object is created. Its constructor function is:
function Module(id, parent) {
this.id = id;
this.exports = {};
this.parent = parent;
if (parent &&...
CSS \9 in width property
... \0 instead of \9 will apply it to IE10 as well
– abc123
Oct 9 '13 at 21:26
21
@abc123 lets hope ...
How to show full object in Chrome console?
...null,4));
}
// how to call it
let obj = { a: 1, b: [2,3] };
print('hello',123,obj);
will output in console:
[
"hello",
123,
{
"a": 1,
"b": [
2,
3
]
}
]
sha...
How to get everything after last slash in a URL?
...,
'http://www.test.com/page/TEST2',
'http://www.test.com/page/page/12345',
'http://www.test.com/page/page/12345?abc=123'
]
for i in urls:
url_parts = urllib.parse.urlparse(i)
path_parts = url_parts[2].rpartition('/')
print('URL: {}\nreturns: {}\n'.format(i, path_parts[2]))
...
What's the difference between Task.Start/Wait and Async/Await?
...Thread.Sleep(1000);
WriteOutput("B - Completed something");
return 123;
}
static void WriteOutput(string message)
{
Console.WriteLine("[{0}] {1}", Thread.CurrentThread.ManagedThreadId, message);
}
DoAsTask Output:
[1] Program Begin
[1] 1 - Starting
[1] 2 - Task started
[3] A - Start...
Regex Named Groups in Java
...atching Strings with Balanced Parentheses slide)
Example:
String:
"TEST 123"
RegExp:
"(?<login>\\w+) (?<id>\\d+)"
Access
matcher.group(1) ==> TEST
matcher.group("login") ==> TEST
matcher.name(1) ==> login
Replace
matcher.replaceAll("aaaaa_$1_sssss_$2____") ==> aaa...
Eclipse RCP Plug-in开发自学教程(Eclipse3.6) - 文档下载 - 清泛网 - ...
..............................................................................123
11.1 简介 ........................................................................................................................................123
11.2 添加透视图 .................................................
How can I create a UIColor from a hex string?
...anHexInt:&hexInt];
return hexInt;
}
Usage:
NSString *hexStr1 = @"123ABC";
NSString *hexStr2 = @"#123ABC";
NSString *hexStr3 = @"0x123ABC";
UIColor *color1 = [self getUIColorObjectFromHexString:hexStr1 alpha:.9];
NSLog(@"UIColor: %@", color1);
UIColor *color2 = [self getUIColorObjectFromH...
Sharing a URL with a query string on Twitter
...intent/tweet?text=optional%20promo%20text%20http://example.com/foo.htm?bar=123&baz=456" target="_blank">Tweet</a>
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