How do I manually throw/raise an exception in Python? Use the most specific Exception constructor that semantically fits your issue. Be specific in your message, e.g.: Don’t raise generic exceptions Avoid raising a generic Exception. To catch it, you’ll have to catch all other more specific exceptions that subclass it. Problem 1: Hiding bugs For example: … Read more
Let’s start by explaining what a tag in git is A tag is used to label and mark a specific commit in the history.It is usually used to mark release points (eg. v1.0, etc.). Although a tag may appear similar to a branch, a tag, however, does not change. It points directly to a specific commit in the history and will not … Read more
see here: Java Tool Doc, it says, -XmxnSpecify the maximum size, in bytes, of the memory allocation pool. This value must a multiple of 1024 greater than 2MB. Append the letter k or K to indicate kilobytes, or m or M to indicate megabytes. The default value is 64MB. The upper limit for this value will … Read more
How can I do the following in Python? I need to have the elements of an array, but from the end to the beginning.
shutil has many methods you can use. One of which is: Copy the contents of the file named src to a file named dst. Both src and dst need to be the entire filename of the files, including path. The destination location must be writable; otherwise, an IOError exception will be raised. If dst already exists, it will be replaced. Special files such as character or block … Read more
Use .lower() – For example: The official 2.x documentation is here: str.lower()The official 3.x documentation is here: str.lower()
First, it’s always worth noting that git reset –hard is a potentially dangerous command, since it throws away all your uncommitted changes. For safety, you should always check that the output of git status is clean (that is, empty) before using it. Initially you say the following: So I know that Git tracks changes I make to my application, … Read more
I use many node version so the Xcode not using the node version which I used in my Terminal, it’s make my app build crashed. Let’s do this to solved my problem Open The Script Build Phases in Xcode: Now, using with the node version path exactly (use command: which node to get your node … Read more
Executive Summary Note that in most cases the remote name is origin. In such a case you’ll have to use the command like so. Delete Local Branch To delete the local branch use one of the following: Note: The -d option is an alias for –delete, which only deletes the branch if it has already been fully merged in its upstream branch. … Read more
The SyntaxError: unexpected EOF while parsing means that the end of your source code was reached before all code blocks were completed. A code block starts with a statement like for i in range(100): and requires at least one line afterwards that contains code that should be in it. It seems like you were executing your program line by … Read more