[Solved] How to convert string to array in react js?

[ad_1] I’ve figured out that the JSON is already valid, I was just too confused and irritated by the errors with different usages of Object.keys etc.! I’ve solved the issue with: const arr = Object.entries(this.props.user); const mapped = []; arr.forEach(([key, value]) => mapped.push(value)); This way I am cutting out the {} entries inside the object … Read more

[Solved] Function in R that returns first word in a sentence that is having a length which is an even number & also longest even word

[ad_1] You can do this using the popular stringr and dplyr libraries. library(dplyr) library(stringr) df <- tibble( sentence = c( “Time & tide waits for none”, ” Tit for tat”, “Eyes are mirror of person’s thoughts”, “Some Other Sentence”, “Odd sentences failure” ) ) df <- df %>% # Split the sentence and store it … Read more

[Solved] JavaScript alert message

[ad_1] Something like this maybe? <html> <body> <input type=”text” oncopy=”myFunction()” value=”Try to copy this text”> <script> function myFunction() { alert(‘you tried to copy’) } </script> </body> </html> 1 [ad_2] solved JavaScript alert message

[Solved] hexadecimal in typedef enum in C

[ad_1] For a bit mask it helps to look at values in binary since that is the level needed for a bit mask. And each enum value typically only sets a single bit. So the enum values would be set (in binary) to 00001, 00010, 00100, 01000, 10000, etc. Those same values in decimal would … Read more

[Solved] javascript: Object and array manipulation i

[ad_1] The original example input has a few syntactical issues so I am not sure as to what the “array” and its elements look like. Making an assumption to make it syntactically compliant with the fewest modifications leads to the array in the working example below. Based on that input, using Object.values is the simplest … Read more

[Solved] SQLZOO Nobel Tutorial #8

[ad_1] All, I got it solved by myself. select distinct yr from nobel where subject=”Physics” and yr not in (select distinct yr from nobel where subject=”Chemistry”) Thanks I also find a way to reveal the answer of those questions(at least some of them) just append ?answer=1 to the url, you may be able to get … Read more

[Solved] how to compare words and find match words in R

[ad_1] I don’t think data.frame() can handle vectors as individual elements, so I used data_frame() from the tibble package: df <- tibble::data_frame(var1 = list(c(“apple”, “www”), c(“dog”, “cat”, “kkk”)), var2 = list(c(“apple”, “zzz”), c(“cat”, “kkk”))) apply function by row, where the function takes the intersection of the first and second list elements: apply(df, 1, function(x) intersect(x[[1]], … Read more

[Solved] Is it possible to put element inside input field?

[ad_1] The best way to do this could be having an element with postion: absolute and place it above the input field. Try this code. <form class=”box-login” > <div class=”box-inputs”> <span class=”icon”><img src=”https://cdn3.iconfinder.com/data/icons/wpzoom-developer-icon-set/500/102-128.png”></span> <label class=”box-input” for=”cpf”></label> <input class=”line-input” id=”cpf” type=”text” placeholder=”CPF”> </div> <div class=”box-inputs”> <span class=”icon”><img src=”https://cdn3.iconfinder.com/data/icons/wpzoom-developer-icon-set/500/102-128.png”></span> <label for=”box-input”> <input class=”line-input” id=”password” type=”password” placeholder=”Senha”> </label> … Read more

[Solved] C# Declare multiple dynamically named variables [duplicate]

[ad_1] Don’t try to use dynamically named variables. That’s simply not how variables work in C#. Use an array of lists: List<string>[] user = new List<string>[infoForUserSessions.Count]; for (int i = 0; i < infoForUserSessions.Count; i++) { user[i] = new List<string>(); } If the number of sessions can change, you would use a List<List<string>> instead, so … Read more

[Solved] How do I parse a JSON array in Java? [duplicate]

[ad_1] The following is related to the JSON.simple library. You need a JSONParser instance to get a JSONObject value from your String object. JSONObject data; try { JSONParser helper = new JSONParser(); data = (JSONObject)helper.parse(String); } catch (ParseException parse) { // Invalid syntax return; } // Note that these may throw several exceptions JSONObject node … Read more

[Solved] What to use instead of WCF in .NET Core? [closed]

[ad_1] Currently gRPC is described as to be a way for wcf migration, you can communicate in half streaming, full streaming. But be careful that half streaming can interrupt to collect information but it will not interrupt all the process on the server side. From what i seen, on asp.net (there is a core version) … Read more