jQuery doesn’t have a convenient function for this. You need to combine contents(), which will give just child nodes but includes text nodes, with find(), which gives all descendant elements but no text nodes. Here’s what I’ve come up with: Note: If you’re using jQuery 1.7 or earlier, the code above will not work. To fix this, … Read more
Let me post what I have done first: I have added all the fields in the respective table and added: lockable in model as well. The problem I am facing is, my account is getting locked upon 10 bad attempts, and Admin is able to log in and manually unlock it. However my 2nd scenario … Read more
For the above line of code, I got error “Port connections cannot be mixed ordered and named”. All the CSAs are declared as wire [1:0] CSA11, CSA12, etc. The tool I am using is Xilinx 14.7. I think the port connection I am using in the above statement is only named connection. Thanks in advance!
obj?.fn() calls fn member function if the object isn’t null, otherwise doesn’t do anything. obj!.fn() on the other hand asserts that obj isn’t null, and calls fn. If the object is null, you get an exception. So it’s a difference in assertiveness: you either ask or simply claim the nullable property of a nullable object.
Use the -f option to git tag: You probably want to use -f in conjunction with -a to force-create an annotated tag instead of a non-annotated one. Example Delete the tag on any remote before you pushgit push origin :refs/tags/<tagname> Replace the tag to reference the most recent commitgit tag -fa <tagname> Push the tag to the remote origingit push origin master … Read more
This can happen for a few reasons, the big ones I know of are below. Event Handlers Without Strong References to the Delegate A caller subscribes to an event on the com object without keeping a strong reference to the callback delegate. Here is an example of how to do this correctly and how to … Read more
Maybe you have installed both python2 and python3. python3 may have been installed later. You may try to use pip3 instead of pip. First, input the command: If you see the version, the pip3 can be used. Then you can input command line to install nltk: I got a way to help you use pip in zsh. We can use nano to edit files. In nano, ctrl+X to save and exit … Read more
Terminal
Reading Paul Graham’s essays on programming languages one would think that Lisp macros are the only way to go. As a busy developer, working on other platforms, I have not had the privilege of using Lisp macros. As someone who wants to understand the buzz, please explain what makes this feature so powerful. Please also … Read more
You should check if dotenv is installed, otherwise type in terminal: or