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How do I reflect over the members of dynamic object?
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answered Oct 26 '11 at 1:01
jbtulejbtule
29.1k1111 gold badges8686 silver badges125125 bronze badges
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How to detect if a variable is an array
...efore, it might be a good idea to check if the object has a property named 0 instead, which can be done via one of these checks:
typeof obj[0] !== 'undefined' // false negative for `obj[0] = undefined`
obj.hasOwnProperty('0') // exclude array-likes with inherited entries
'0' in Object(obj) // inclu...
Cancel a UIView animation?
...View setAnimationBeginsFromCurrentState:YES];
[UIView setAnimationDuration:0.1];
[UIView setAnimationCurve: UIViewAnimationCurveLinear];
// other animation properties
// set view properties
[UIView commitAnimations];
shar...
When and why would you seal a class?
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10
The reason #1 sounds vague but, assuming we don't write "security features" most of the time, does that mean reason #1 hardly applies? Reaso...
Optimal settings for exporting SVGs for the web from Illustrator?
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SVG profiles
SVG 1.0: all modern desktop and mobile browsers support SVG 1.1, so never choose this option.
SVG 1.1: You will almost always want this.
SVG Tiny/Basic: this is a subset of SVG intended for mobile devices. Only a handful of devices...
Adding a parameter to the URL with JavaScript
... var kvp = document.location.search.substr(1).split('&');
let i=0;
for(; i<kvp.length; i++){
if (kvp[i].startsWith(key + '=')) {
let pair = kvp[i].split('=');
pair[1] = value;
kvp[i] = pair.join('=');
break;
}
}
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Virtual/pure virtual explained
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edited Nov 3 '18 at 0:55
zeel
1,09111 gold badge1212 silver badges3131 bronze badges
answered Aug ...
What does 'require: false' in Gemfile mean?
...ch time, so more = slower, according to confreaks.com/videos/2668-gogaruco2013-measuring-ruby
– Nathan Long
Oct 12 '13 at 14:11
1
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nginx upload client_max_body_size issue
...TTP client supports it, the best way to handle this is to send an Expect: 100-Continue header. Nginx supports this correctly as of 1.2.7, and will reply with a 413 Request Entity Too Large response rather than 100 Continue if Content-Length exceeds the maximum body size.
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What is the difference between Modal and Push segue in Storyboards?
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answered Feb 22 '12 at 10:21
LJ WilsonLJ Wilson
14.2k55 gold badges3232 silver badges5656 bronze badges
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