Unittests in general test public observable behavior in your case it is the interaction with the two streams. create mocks for the two steams (usually I’d suggest to use a mocking framework but there are some simple implementations in the standard lib quite suitable for this purpose…) Configure the inputStream to return data in false … Read more
In the vast majority of cases, I wouldn’t call using int instead of short a huge mistake (or even necessarily a mistake at all). As other people have indicated, the main difference is that an int is 4 bytes and a short is just 2. In most cases, using short instead of int is a … Read more
Instead of merging the two buttons, the same could be performed using JSX callback. See solution on the other posting at Conditional disabling of button The undefined return came from the callback. It needs to be bound before (in this case) passing to the button. See some of the other approaches suggested: How to use … Read more
This is a simple code to execute the shell script and read its output: import java.io.*; public class Test { public static void main(String[] args) throws Exception { String[] command = { “./flows.sh”, “suspend” }; Process process = Runtime.getRuntime().exec(command); BufferedReader reader = new BufferedReader(new InputStreamReader( process.getInputStream())); String s; while ((s = reader.readLine()) != null) { … Read more
This ain’t a error message but a standard boot message. To properly answer your question we would need to know what board exactly you use, how you connected your parts (what pins, voltage, etc), what parts and of course the full code. Please remember that the breakout boards for the esp8266 (for example the node … Read more
You should try to use flow pane of JavaFX, it will add children in flow. You can give icons to them on conditions like if you get the directory then give the folder icon else file icon like this. Refer to this for the Flow Pane and Layout building Example : import javafx.application.Application; import javafx.scene.Scene; … Read more
I finally got you to tell us what you want in the comments; please be up-front with this in the future. The expected output you gave differed from your actual output in so many ways that it was impossible to tell what you actually thought the problem was, but: I want to get the output … Read more
A short and simple way is just to test the first and last characters: var input = // whatever var wrapped = input; if (‘”‘ === wrapped || !(‘”‘ === wrapped[0] && ‘”‘ === wrapped.slice(-1))) wrapped = ‘”‘ + wrapped + ‘”‘; (This works even on empty strings, because ”[0] is undefined and ”.slice(-1) is … Read more
CreateRemoteThread fails,maybe the lpBaseAddress in the target process is invalid,but it is allocated by the system? solved CreateRemoteThread fails,maybe the lpBaseAddress in the target process is invalid,but it is allocated by the system?
Adjust your syntax to: SELECT tableA.something FROM tableA LEFT JOIN table on tableA.name = substr(table.title, LENGTH(table.title)-8) table.title is an argument to the LENGTH() function. Also needs to be argument to SUBSTR(). 4 solved oracle sql about table.substr
You can find the XML Schema for Schemas here. However, you probably do not need it unless you’re trying to validate an XSD (as opposed to validating an XML document instance with against an XSD). See also: xmlns, xmlns:xsi, xsi:schemaLocation, and targetNamespace? How to link XML to XSD using schemaLocation or noNamespaceSchemaLocation? Must an XML … Read more
Using your structure, we can do this: var links = new Array(); // Missing this part as code links[0] = new Array(); links[0][“linkName”] = “W3Schools”; links[0][“linkLogo”] = “http://www.w3schools.com/images/w3schools.png”; links[0][“linkURL”] = “http://www.w3schools.com/”; links[0][“linkDescription”] = “W3Schools is a web developer information website, with tutorials and references relating to web development topics such as HTML, CSS, JavaScript and … Read more
maybe not the best way to do it, but will get the job done. vars_df = unique(df$x) for (i in 1:length(vars_df)) { assign(paste0(vars_df[i]), df %>% filter(x == vars_df[i]), envir = .GlobalEnv) } solved Automatically subset data frame by factor
If you’re hosted on a cPanel server then it’s pretty normal for daily, weekly and monthly backups to be taken. These backups contain everything, this includes your MySQL databases. I would get in touch with your host asap and see whether they have anything. solved My database is replaced with a new database . is … Read more
If your code is running in response to a keyboard event, you will be fine because all event handling functions are automatically passed an object representing the event that invoked it and that event object contains properties that have more information about the event that took place. In your case, your Miscari function was set … Read more