To make an array uniqued, we can use Set() from Javascript. const ary = ["a", "b", "c", "a", "d", "c"]; console.log(newSet(ary)); We can see that all the duplicated value have been removed, now the only thing we need to do is convert Set to Array. So we have Arr...
SELECT id, MAKE_SET(permissions, 'read', 'write', 'delete', 'admin') AS user_permissions FROM users; 如果permissions 字段的值为 5(二进制 101),则 user_permissions 的结果将是 'read,delete'。 可能遇到的问题及解决方法 问题: MAKE_SET() 函数返回的结果不符合预期。 原因: 可能是由于位掩码的...
constfetch=require('make-fetch-happen').defaults({cachePath:'./my-cache'})// Will error with ENOTCACHED if we haven't already cached this urlfetch('https://registry.npmjs.org/make-fetch-happen',{cache:'only-if-cached'})// Will refresh any local content and cache the new responsefetc...
-> JSObjectRef! func JSObjectSetPrivate(JSObjectRef!, UnsafeMutableRawPointer!) -> Bool func JSObjectSetProperty(JSContextRef!, JSObjectRef!, JSStringRef!, JSValueRef!, JSPropertyAttributes, UnsafeMutablePointer<JSValueRef?>!) func JSObjectSetPropertyAtIndex(JSContextRef!, JSObjectRef!, UInt...
set<int>st(arr2.begin(), arr2.end());//arr2.clear(); arr2.assign(st.begin(), st.end());//arr2.sort(); sort(arr2.begin(), arr2.end()); vector<vector<int>>dp ;for(int i =0;i< arr1.size();i++){ vector<int> v2 (arr2.size()+1,2001); ...
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This latter,setupController, has a sensible default, which is assigning the model, from themodelhook as themodelproperty of the controller: // ember-routing/lib/system/route.jssetupController(controller, context, transition) {if(controller && (context !==undefined)) {set(controller,'model', con...
A pointer to aJSObjectRefto store the resolve function in for the new promise. PassNULLif you don’t want to store the resolve callback. reject A pointer to aJSObjectRefto store the reject function in for the new promise. PassNULLif you don’t want to store the reject callback. ...
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Bring variable into scope from a foreach loop Buffer Overflow in C# Build an entire solution programmatically Build C# Application to single EXE file or package Build string.Format parameters with a loop Building an async SetTimeout function button array in c# Button click open Form 2 and close...