[ad_1] Let’s look at it line by line. int cin; This line declare a local variable named cin. From now on, whenever you write cin, the compiler always believe you mean this local variable, not the input stream object std::cin. cin >> cin; This line read the local variable and perform bit shifting. When both … Read more
[ad_1] Use arrow function instead so: Change onFormSubmit(event){ event.preventDefault(); console.log(this.state.term); } To onFormSubmit= (event)=>{ event.preventDefault(); console.log(this.state.term); } [ad_2] solved TypeError: Cannont Read Property `State` of Undefined
[ad_1] Many thanks to Jdweng for providing a solution. I modified their code slightly so that it didn’t rely on making the datatable manually and instead took it from my SQLite database file. Jdweng’s code also made a ‘Root’ node which was not necessary for my application so I changed it to only include the … Read more
[ad_1] You should use r.nextInt(3); to get a number from the range 0-2. So, switch(r.nextInt(3)) { case 0: myVar = “a”; break; case 1: myVar = “b”; break; case 2: myVar = “c”; break; } 0 [ad_2] solved How do yo randomly assign a value to a variable? [closed]
[ad_1] I was not adding User-Agent in header so the server refused all my request.Thats why I got banned from the server. return builder.addInterceptor(interceptor) .addInterceptor { val original = it.request(); val authorized = original.newBuilder() .removeHeader(“User-Agent”) .addHeader(“User-Agent”, System.getProperty(“http.agent”)) .build(); it.proceed(authorized); } .build() For better understanding about user-agent, go through this link. 1 [ad_2] solved Android Studio … Read more
[ad_1] Change: for (int i = 0; i > cars.Count; i++) To: for (int i = 0; i < cars.Count; i++) [ad_2] solved Searching for a String in a text file
[ad_1] This is just a direct translation of your plyr call in dplyr: library(dplyr) DF2 = summarise(group_by(DF, id, feature), value=value[which(date == max(date))]) 2 [ad_2] solved summarizing a field based on the value of another field in dplyr
[ad_1] You have in your code: [formatter setDateFormat:@”yyyy-MMM-dd HH:mm”]; But your string needs the following: [formatter setDateFormat:@”yyyy-MM-dd HH:mm:ss”]; 2 [ad_2] solved NSDateFormatter dateFromString returns null value [closed]
[ad_1] Note that “reachability” on IP networks is kind of tricky to test for. It’s perfectly possible that a server machine is running any number of real services (www, ftp, whatever), but has been configured not to reply to pings since some people do that. If possible, it’s better to just connect like the real … Read more
[ad_1] You could simply do this through awk, $ awk -F[,-] ‘{var=$1″-“$2; for (i=3;i<=NF;i++){print var”-“$i}}’ file 86-22-63385835 86-22-63385836 86-22-63385933 86-0577-88609993 86-0577-88835386 86-21-58947602 86-21-58947603 0086-755-33186858 0086-755-33186862 0086-755-33186859 2 [ad_2] solved How to process this text [closed]
[ad_1] Before you can develop anything for the wearable platform, you need to prepare your development environment by installing and updating all the packages you’ll need, ensuring your Android Studio IDE is up to date. open the Android SDK Manager and check you have the latest versions of the following three packages: SDK Tools Platform … Read more
[ad_1] Since #define in C# is different from C and C++, you should use method call instead. private int xtime(int x) { return (x << 1) ^ (((x >> 7) & 1) * 0x1b); } [ad_2] solved What is the C# equivalent code for C programming statement? [closed]
[ad_1] It’s a reference to a pointer: CheckList(Listfile*& Listitems,bool showSortList) ^^^^^^^^^ pointer to Listfile ^ reference you should study C++ better, this can be found in any decent C++ book. 2 [ad_2] solved Can not understand the return of this function in C++
[ad_1] If you don’t mind pushing this through multiple passes, I might suggest this: Search: ^(Query=.*\n)((?:(?!Query=).*\n)+)\1 Replace: \1\2 Live demo 1 [ad_2] solved How to concatenate multiples lines under first occurence of the header using Unix commands?
[ad_1] Convert back and forth between strings and ints, make use of sum(). >>> def foo(n): n = str(n) if len(n) == 1: return int(n) return foo(sum(int(c) for c in n)) >>> foo(1969) 7 >>> def foo(n): n = str(n) if len(n) == 1: return int(n) return foo(sum(int(c) for c in n)) 2 [ad_2] solved … Read more