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How do I URl encode something in Node.js?
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The built-in module querystring is what you're looking for:
var querystring = require("querystring");
var result = querystring.stringify({query: "SELECT name FROM user WHERE uid = me()"});
console.log(result);
#prints 'query=SELECT%20name%20FROM%20u...
Check whether a string contains a substring
How can I check whether a given string contains a certain substring, using Perl?
3 Answers
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NSString: isEqual vs. isEqualToString
What is the difference between isEqual: and isEqualToString: ?
5 Answers
5
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Convert decimal to binary in python [duplicate]
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"{0:b}".format(int)
Starting with Python 3.6 you can also use formatted string literal or f-string, --- PEP:
f"{int:b}"
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Android - print full exception backtrace to log
... an Exception that is provided as the third parameter. For example
Log.d(String tag, String msg, Throwable tr)
where tr is the Exception.
According to this comment those Log methods "use the getStackTraceString() method ... behind the scenes" to do that.
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How do I change the color of the text in a UIPickerView under iOS 7?
...in the delegate method that is more elegant:
Objective-C:
- (NSAttributedString *)pickerView:(UIPickerView *)pickerView attributedTitleForRow:(NSInteger)row forComponent:(NSInteger)component
{
NSString *title = @"sample title";
NSAttributedString *attString =
[[NSAttributedString ...
How does “cat
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This is called heredoc format to provide a string into stdin. See https://en.wikipedia.org/wiki/Here_document#Unix_shells for more details.
From man bash:
Here Documents
This type of redirection instructs the shell to read input from
the current source u...
How can I define an interface for an array of objects with Typescript?
...nterface EnumServiceGetOrderBy {
[index: number]: { id: number; label: string; key: any };
}
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Manipulate a url string by adding GET parameters
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Basic method
$query = parse_url($url, PHP_URL_QUERY);
// Returns a string if the URL has parameters or NULL if not
if ($query) {
$url .= '&category=1';
} else {
$url .= '?category=1';
}
More advanced
$url = 'http://example.com/search?keyword=test&category=1&tags[]=fun&...
Using python's eval() vs. ast.literal_eval()?
...al() only considers a small subset of Python's syntax to be valid:
The string or node provided may only consist of the following Python literal structures: strings, numbers, tuples, lists, dicts, booleans, and None.
Passing __import__('os').system('rm -rf /a-path-you-really-care-about') into a...