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Getting an object from an NSSet

...ck for whether it's in the NSSet) with: MyObject *testObject = [[MyObject alloc] init]; testObject.objectID = 5; // for example. // I presume your object has more properties which you don't need to set here // because it's objectID that defines uniqueness (see isEqual: above) MyObject *existin...
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Why does this iterative list-growing code give IndexError: list assignment index out of range?

...that this can be very confusing for those coming from other languages like PHP or C. j is a type of list, not an array. With list type, I don't think this is subscriptable. Very confusing if coming from other languages. – Nguai al Jan 12 '19 at 23:24 ...
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What is a columnar database?

...www.vertica.com/ http://www.paraccel.com/ http://www.asterdata.com/index.php share | improve this answer | follow | ...
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Draw a perfect circle from user's touch

...Hough Transform is a voting scheme. A two dimensional array of integers is allocated and all elements are set to zero. Each element corresponds to a single pixel in the image being analyzed. This array is referred to as the accumulator array since each element will accumulate information, votes, ind...
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Convert string to variable name in JavaScript

...ss true. Javascript does not have variable variables (such as $$varname in php) so this really is the only answer. Using window[varname] has the side-effect of introducing global variables, which might not be wanted. @Shaz I don't think you give modern JS interpreters enough credit. They are extreme...
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Laravel Schema onDelete set null

...el / framework / src / Illuminate / Database / Schema / Grammars / Grammar.php) – Dirk Jan Mar 23 at 14:47 add a comment  |  ...
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Reconnection of Client when server reboots in WebSocket

I am using web socket using PHP5 and the Chrome browser as client. I have taken the code from the site http://code.google.com/p/phpwebsocket/ . ...
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BLE(二)信道&数据包&协议栈格式 - 创客硬件开发 - 清泛IT社区,...

...。 Service和Characteristic则是比较重要的,Service可以理解为PHP中的“类”、功能对象的集合。Characteristic可以理解为PHP的“函数”,是GATT中具体的功能对象,每个Service都可以包含一个或多个Characteristic(特征)。Characteristic是GATT pr...
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How to list the properties of a JavaScript object?

...s5-compat-table/ Description of new methods: http://markcaudill.com/index.php/2009/04/javascript-new-features-ecma5/ share | improve this answer | follow | ...
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Remote connect to clearDB heroku database

... @BKSpurgeon. I got it to work with phpMyAdmin with the default port (See stackoverflow.com/a/22092539/4900327) – Abhishek Divekar Feb 16 '17 at 16:47 ...