You need to configure your environment variables, JAVA_HOME and PATH. JAVA_HOME must contain the path to java, and you should add %JAVA_HOME%\bin to PATH Alternatively, you can simply add to your PATH the whole path to the bin folder, without the JAVA_HOME variable, however, this makes a little more annoying when you need to have … Read more
HTML The plain HTML way is to put it in a <form> wherein you specify the desired target URL in the action attribute. If necessary, set CSS display: inline; on the form to keep it in the flow with the surrounding text. Instead of <input type=”submit”> in above example, you can also use <button type=”submit”>. … Read more
os.rename(), os.replace(), or shutil.move() All employ the same syntax: Note that you must include the file name (file.foo) in both the source and destination arguments. If it is changed, the file will be renamed as well as moved. Note also that in the first two cases the directory in which the new file is being … Read more
Update: ECMAScript 6 (ES6) introduces a new type of literal, namely template literals. They have many features, variable interpolation among others, but most importantly for this question, they can be multiline. A template literal is delimited by backticks: (Note: I’m not advocating to use HTML in strings) Browser support is OK, but you can use … Read more
I picked up the following demo off the web from https://computing.llnl.gov/tutorials/pthreads/ But when I compile it on my machine (running Ubuntu Linux 9.04) I get the following error: This doesn’t make any sense to me, because the header includes pthread.h, which should have the pthread_create function. Any ideas what’s going wrong?
As written you’re looking for a file named 0.jpg in the working directory. You want to be looking in the directory you pass in. So instead do:
It looks like you are calling a non static member (a property or method, specifically setTextboxText) from a static method (specifically SumData). You will need to either: Make the called member static also: static void setTextboxText(int result) { // Write static logic for setTextboxText. // This may require a static singleton instance of Form1. } … Read more
Have you correctly set your PATH to point at your Git installation? You need to add the following paths to PATH: C:\Program Files\Git\bin\ C:\Program Files\Git\cmd\ And check that these paths are correct – you may have Git installed on a different drive, or under Program Files (x86). Correct the paths if necessary. Modifying PATH on … Read more
I am running Python3.4 on Windows 7. I am trying to use the Python interface for graphviz. This is a script I intend to run: I get the following error at runtime: Now I am sure I have properly installed the correct dependencies. I first tried to set the correct environment variables. The graphviz executables … Read more
Yes, if bar is not None is more explicit, and thus better, assuming it is indeed what you want. That’s not always the case, there are subtle differences: if not bar: will execute if bar is any kind of zero or empty container, or False. Many people do use not bar where they really do … Read more