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Clojure: reduce vs. apply

... the ultimate result returned) for associative functions which need to see all their arguments in the variable-arity case. When they are result-wise equivalent, I'd say that apply is always perfectly idiomatic, while reduce is equivalent -- and might shave off a fraction of a blink of an eye -- in a...
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In-place type conversion of a NumPy array

...Py array of int32 , how do I convert it to float32 in place ? So basically, I would like to do 6 Answers ...
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Reload an iframe with jQuery

...tion() { document.location.reload(); }); and you are good to go with all browsers. Reload an iframe with HTML (no Java Script req.) It have more simpler solution: which works without javaScript in (FF, Webkit) just make an anchor inSide your iframe <a href="#" target="_SELF">Refre...
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A html space is showing as %2520 instead of %20

... and it renders the image correctly in the browser, correctly encoding the string once. Helpful link: http://support.mozilla.org/en-US/questions/900466 share | improve this answer | ...
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CALayers didn't get resized on its UIView's bounds change. Why?

...you sure? it sounds like you are describing frame. bounds should, theoretically, always have 0,0 as its origin. – griotspeak Feb 11 '12 at 2:32 3 ...
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BLE协议—广播和扫描 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...广播方式的报文有4种,分别为可连接的非定向广播(ADV_IND)、可连接的定向广播(ADV_DIRECT_IND)、可扫描非定向广播(ADV_SCAN_IND)、不可连接的非定向广播(ADV_NONCONN_IND) 4种广播的使用场景各不相同 可连接的非定向广播(A...
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ActionController::InvalidAuthenticityToken

...h were page cached. Pages got buffered with a stale authenticity token and all actions using the methods post/put/delete where recognized as forgery attempts. Error (422 Unprocessable Entity) was returned to the user. The solution for Rails 3: Add: skip_before_filter :verify_authenticity_token ...
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How to get notified about changes of the history via history.pushState?

...); } // ... whatever else you want to do // maybe call onhashchange e.handler return pushState.apply(history, arguments); }; })(window.history); Your jsfiddle becomes: window.onpopstate = history.onpushstate = function(e) { ... } You can monkey-patch window.h...
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Cropping an UIImage

...of the center of the image - I use this to take a UIImage and return a small, square representation of an image, similar to what's seen in the album view of the Photos app. (I know I could use a UIImageView and adjust the crop mode to achieve the same results, but these images are sometimes disp...
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How can I open a link in a new window?

... window.open('url', 'window name', 'window settings') jQuery: $('a#link_id').click(function(){ window.open('url', 'window name', 'window settings'); return false; }); You could also set the target to _blank actually. ...