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Default argument values in JavaScript functions [duplicate]
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ES2015 onwards:
From ES6/ES2015, we have default parameters in the language specification. So we can just do something simple like,
function A(a, b = 4, c = 5) {
}
or combined with ES2015 destructuring,
function B({c} = {c: 2}, [d, e] = ...
UITapGestureRecognizer - single tap and double tap
...atement using NSLog. My suspicion is that the first responder status goes from the UIView to somewhere else after the first tap as I haven't done anything explicitly about the response chain.
– Stanley
Jan 17 '12 at 10:53
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How to use if statements in underscore.js templates?
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From here:
"You can also refer to the properties of the data object via that object, instead of accessing them as variables." Meaning that for OP's case this will work (with a significantly smaller change than other possible...
How can query string parameters be forwarded through a proxy_pass with nginx?
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From the proxy_pass documentation:
A special case is using variables in the proxy_pass statement: The requested URL is not used and you are fully responsible to construct the target URL yourself.
Since you're using $1 i...
You have not concluded your merge (MERGE_HEAD exists)
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This saved me from a nasty merge conflict loop.
– Sledge
Jul 15 '19 at 15:56
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how to read System environment variable in Spring applicationContext
...ties(prefix="my.properties.prefix")
public class MyProperties {
// value from my.properties.prefix.myProperty will be bound to this variable
String myProperty;
// and this will even throw a startup exception if the property is not found
@javax.validation.constraints.NotNull
String myRequi...
Function to convert column number to letter?
...es anyone have an Excel VBA function which can return the column letter(s) from a number?
28 Answers
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How Do I Take a Screen Shot of a UIView?
...xt:UIGraphicsGetCurrentContext()];
UIImage *image = UIGraphicsGetImageFromCurrentImageContext();
UIGraphicsEndImageContext();
return image;
}
It is considerably faster then the existing renderInContext: method.
Reference: https://developer.apple.com/library/content/qa/qa1817/_index.h...
Overriding == operator. How to compare to null? [duplicate]
...lso agree that it can be simplified without loosing readability. Example: from if (System.Object.ReferenceEquals(rhs, null)) to return false; can be replaced by return System.Object.ReferenceEquals(rhs, null);
– Eric
Apr 26 '18 at 14:52
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UnicodeDecodeError when redirecting to file
...nt >>sys.stderr,sys.stdout.encoding
print uni
Output (run directly from terminal)
cp437
αßΓπΣσµτΦΘΩδ∞φ
Python correctly determined the encoding of the terminal.
Output (redirected to file)
None
Traceback (most recent call last):
File "C:\ex.py", line 5, in <module>...