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通信连接组件 · App Inventor 2 中文网
...设置为：
Action: android.intent.action.VIEW
DataUri: http://www.fun123.cn
调用第三方地图也可以使用这个启动器：
调用高德地图的uri参考地址：https://lbs.amap.com/api/uri-api/guide/mobile-web/point/#point-on-lnglat
调用百度地图...
Creating a new dictionary in Python
...parently CPython 2.7 dict() is slower (6 times slower?), See: doughellmann.com/2012/11/… In any case I am starting to prefer the constructor syntax anyways since I find it easier to type and move code between dicts and function calls.
– David Wheaton
Mar 5 '1...
What is the best way to concatenate two vectors?
...rance of concatenation of the sake of iteration. The boost::join function
http://www.boost.org/doc/libs/1_43_0/libs/range/doc/html/range/reference/utilities/join.html
will give you this.
std::vector<int> v0;
v0.push_back(1);
v0.push_back(2);
v0.push_back(3);
std::vector<int> v1;
v1.p...
How to set cookie in node js using express framework?
...umber.length);
res.cookie('cookieName',randomNumber, { maxAge: 900000, httpOnly: true });
console.log('cookie created successfully');
} else {
// yes, cookie was already present
console.log('cookie exists', cookie);
}
next(); // <-- important!
});
// let static middleware...
Best way to replace multiple characters in a string?
... text = text.replace(ch,"\\"+ch)
import re
def c(text):
rx = re.compile('([&#])')
text = rx.sub(r'\\\1', text)
RX = re.compile('([&#])')
def d(text):
text = RX.sub(r'\\\1', text)
def mk_esc(esc_chars):
return lambda s: ''.join(['\\' + c if c in esc_chars else c for...
Pass Array Parameter in SqlCommand
... This is wrong approach, Table-Valued parameter should be used https://stackoverflow.com/a/10409710/1565525
– Fabio
Aug 25 '17 at 14:14
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Bash Templating: How to build configuration files from templates with Bash?
...he regex above should be... (\$\{[a-zA-Z_][a-zA-Z_0-9]*\}) stackoverflow.com/questions/304864/…
– Blue Waters
Jun 21 '12 at 7:44
...
IllegalStateException: Can not perform this action after onSaveInstanceState with ViewPager
...nceState(outState);
}
In the end the proper solution was (as seen in the comments) to use :
transaction.commitAllowingStateLoss();
when adding or performing the FragmentTransaction that was causing the Exception.
share
...
Git: How to remove file from historical commit?
...etely remove a file from the repository, including past commits and tags.
https://github.com/tj/git-extras/blob/master/Commands.md
share
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Can PHP cURL retrieve response headers AND body in a single request?
...
One solution to this was posted in the PHP documentation comments: http://www.php.net/manual/en/function.curl-exec.php#80442
Code example:
$ch = curl_init();
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_HEADER, 1);
// ...
$response = curl_exec($ch);
// Then, after ...